mirror of https://github.com/cheat/cheat.git
merge with master
This commit is contained in:
commit
eac69c6f6b
|
@ -1,2 +1,5 @@
|
|||
*.pyc
|
||||
MANIFEST
|
||||
build
|
||||
cheat.egg-info
|
||||
dist
|
||||
|
|
18
README.md
18
README.md
|
@ -9,6 +9,10 @@ remember.
|
|||
|
||||
`cheat` depends only on `python` and `pip`.
|
||||
|
||||
PyPI status:
|
||||
|
||||
[![Latest Version](https://pypip.in/version/cheat/badge.png)](https://pypi.python.org/pypi/cheat/)
|
||||
[![Downloads](https://pypip.in/download/cheat/badge.png)](https://pypi.python.org/pypi/cheat/)
|
||||
|
||||
Example
|
||||
-------
|
||||
|
@ -45,6 +49,17 @@ to store notes on your favorite cookie recipes, feel free.
|
|||
|
||||
Installing
|
||||
----------
|
||||
|
||||
### Using pip ###
|
||||
|
||||
sudo pip install cheat
|
||||
|
||||
### Using homebrew ###
|
||||
|
||||
brew install cheat
|
||||
|
||||
### Manually ###
|
||||
|
||||
First install the required python dependencies with:
|
||||
|
||||
sudo pip install docopt pygments
|
||||
|
@ -126,6 +141,8 @@ Related Projects
|
|||
- [`cheat` RubyGem][3]: A clever gem from 2006 that clearly had similar
|
||||
motivations. It is unclear whether or not it is currently maintained.
|
||||
|
||||
- [`tldr`][tldr]: "Simplified and community-driven man pages".
|
||||
|
||||
|
||||
[dotfiles]: http://dotfiles.github.io/
|
||||
[jahendrie]: https://github.com/jahendrie
|
||||
|
@ -133,3 +150,4 @@ Related Projects
|
|||
[2]: https://github.com/jahendrie/cheat
|
||||
[3]: http://errtheblog.com/posts/21-cheat
|
||||
[4]: https://github.com/chrisallenlane/cheat/pull/77
|
||||
[tldr]: https://github.com/tldr-pages/tldr
|
||||
|
|
|
@ -38,7 +38,7 @@ from docopt import docopt
|
|||
|
||||
if __name__ == '__main__':
|
||||
# parse the command-line options
|
||||
options = docopt(__doc__, version='cheat 2.0.7')
|
||||
options = docopt(__doc__, version='cheat 2.1.19')
|
||||
|
||||
# list directories
|
||||
if options['--directories']:
|
||||
|
|
|
@ -0,0 +1,23 @@
|
|||
# To search a package:
|
||||
apt search package
|
||||
|
||||
# To show package informations:
|
||||
apt show package
|
||||
|
||||
# To fetch package list:
|
||||
apt update
|
||||
|
||||
# To download and install updates without installing new package:
|
||||
apt upgrade
|
||||
|
||||
# To download and install the updates AND install new necessary packages:
|
||||
apt dist-upgrade
|
||||
|
||||
# Full command:
|
||||
apt update && apt dist-upgrade
|
||||
|
||||
# To install a new package(s):
|
||||
apt install package(s)
|
||||
|
||||
# To uninstall package(s)
|
||||
apt remove package(s)
|
|
@ -4,7 +4,7 @@
|
|||
apt-get update
|
||||
|
||||
# To download and install updates without installing new package.
|
||||
apt-get update
|
||||
apt-get upgrade
|
||||
|
||||
# To download and install the updates AND install new necessary packages
|
||||
apt-get dist-upgrade
|
||||
|
@ -23,3 +23,6 @@ apt-get -o Dir::Cache="/path/to/destination/dir/" -o Dir::Cache::archives="./" i
|
|||
|
||||
# Show apt-get installed packages.
|
||||
grep 'install ' /var/log/dpkg.log
|
||||
|
||||
# Silently keep old configuration during batch updates
|
||||
apt-get update -o DPkg::Options::='--force-confold' ...
|
||||
|
|
|
@ -1,2 +1,11 @@
|
|||
# sum integers from a file or stdin, one integer per line:
|
||||
printf '1\n2\n3\n' | awk '{ sum += $1} END {print sum}'
|
||||
|
||||
# using specific character as separator to sum integers from a file or stdin
|
||||
printf '1:2:3' | awk -F ":" '{print $1+$2+$3}'
|
||||
|
||||
# print a multiplication table
|
||||
seq 9 | sed 'H;g' | awk -v RS='' '{for(i=1;i<=NF;i++)printf("%dx%d=%d%s", i, NR, i*NR, i==NR?"\n":"\t")}'
|
||||
|
||||
# Specify output separator character
|
||||
printf '1 2 3' | awk 'BEGIN {OFS=":"}; {print $1,$2,$3}'
|
||||
|
|
|
@ -1,5 +1,5 @@
|
|||
# To implement a for loop:
|
||||
for file in `ls .`;
|
||||
for file in *;
|
||||
do
|
||||
echo $file found;
|
||||
done
|
||||
|
@ -12,3 +12,16 @@ in
|
|||
2) echo "two found";;
|
||||
3*) echo "something beginning with 3 found";;
|
||||
esac
|
||||
|
||||
# Turn on debugging:
|
||||
set -x
|
||||
|
||||
# Turn off debugging:
|
||||
set +x
|
||||
|
||||
# Retrieve N-th piped command exit status
|
||||
printf 'foo' | fgrep 'foo' | sed 's/foo/bar/'
|
||||
echo ${PIPESTATUS[0]} # replace 0 with N
|
||||
|
||||
# Lock file:
|
||||
( set -o noclobber; echo > my.lock ) || echo 'Failed to create lock file'
|
||||
|
|
|
@ -0,0 +1,26 @@
|
|||
# Install a package locally
|
||||
bower install <package-name>
|
||||
|
||||
# Install a package locally directly from github
|
||||
bower install <user>/<repo>
|
||||
|
||||
# Install a specific package locally
|
||||
bower install <package-name>#<version>
|
||||
|
||||
# Install a package locally and save installed package into bower.json
|
||||
bower install <package-name> --save
|
||||
|
||||
# Retrieve info of a particular package
|
||||
bower info <package-name>
|
||||
|
||||
# List local packages
|
||||
bower list
|
||||
|
||||
# Search for a package by name
|
||||
bower search <package-name>
|
||||
|
||||
# Update a package to their newest version
|
||||
bower update <package-name>
|
||||
|
||||
# Remove a local package
|
||||
bower uninstall <package-name>
|
|
@ -0,0 +1,5 @@
|
|||
# Split a file based on pattern
|
||||
csplit input.file '/PATTERN/'
|
||||
|
||||
# Use prefix/suffix to improve resulting file names
|
||||
csplit -f 'prefix-' -b '%d.extension' input.file '/PATTERN/' '{*}'
|
|
@ -0,0 +1,22 @@
|
|||
# Manage printers through CUPS:
|
||||
http://localhost:631 (in web browser)
|
||||
|
||||
# Print file from command line
|
||||
lp myfile.txt
|
||||
|
||||
# Display print queue
|
||||
lpq
|
||||
|
||||
# Remove print job from queue
|
||||
lprm 545
|
||||
or
|
||||
lprm -
|
||||
|
||||
# Print log location
|
||||
/var/log/cups
|
||||
|
||||
# Reject new jobs
|
||||
cupsreject printername
|
||||
|
||||
# Accept new jobs
|
||||
cupsaccept printername
|
|
@ -1,2 +1,5 @@
|
|||
# Printout date in format suitable for affixing to file names
|
||||
# Print date in format suitable for affixing to file names
|
||||
date +"%Y%m%d_%H%M%S"
|
||||
|
||||
# Convert Unix timestamp to Date
|
||||
date -d @1440359821
|
||||
|
|
|
@ -0,0 +1,16 @@
|
|||
# To install the latest version of a package:
|
||||
dnf install <package name>
|
||||
|
||||
# To search package details for the given string
|
||||
dnf search <string>
|
||||
|
||||
# To find which package provides a binary
|
||||
dnf provides <path to binary>
|
||||
|
||||
# The following are available after installing "dnf-plugins-core"
|
||||
|
||||
# Download a package
|
||||
dnf download <package name>
|
||||
|
||||
# install the build dependencies for a SRPM or from a .spec file
|
||||
dnf builddep <srpm/.spec file>
|
|
@ -0,0 +1,32 @@
|
|||
# Start docker daemon
|
||||
docker -d
|
||||
|
||||
# start a container with an interactive shell
|
||||
docker run -ti <image_name> /bin/bash
|
||||
|
||||
# "shell" into a running container (docker-1.3+)
|
||||
docker exec -ti <container_name> bash
|
||||
|
||||
# inspect a running container
|
||||
docker inspect <container_name> (or <container_id>)
|
||||
|
||||
# Get the process ID for a container
|
||||
# Source: https://github.com/jpetazzo/nsenter
|
||||
docker inspect --format {{.State.Pid}} <container_name_or_ID>
|
||||
|
||||
# List the current mounted volumes for a container (and pretty print)
|
||||
# Source:
|
||||
# http://nathanleclaire.com/blog/2014/07/12/10-docker-tips-and-tricks-that-will-make-you-sing-a-whale-song-of-joy/
|
||||
docker inspect --format='{{json .Volumes}}' <container_id> | python -mjson.tool
|
||||
|
||||
# Copy files/folders between a container and your host
|
||||
docker cp foo.txt mycontainer:/foo.txt
|
||||
|
||||
# list currently running containers
|
||||
docker ps
|
||||
|
||||
# list all containers
|
||||
docker ps -a
|
||||
|
||||
# list all images
|
||||
docker images
|
|
@ -0,0 +1,11 @@
|
|||
# Install the package or upgrade it
|
||||
dpkg -i test.deb
|
||||
|
||||
# Remove a package including configuration files
|
||||
dpkg -P test.deb
|
||||
|
||||
# List all installed packages with versions and details
|
||||
dpkg -I
|
||||
|
||||
# Find out if a Debian package is installed or not
|
||||
dpkg -s test.deb | grep Status
|
|
@ -0,0 +1,5 @@
|
|||
# To sort directories/files by size
|
||||
du -sk *| sort -rn
|
||||
|
||||
# To show cumulative humanreadable size
|
||||
du -sh
|
|
@ -0,0 +1,12 @@
|
|||
# Print file metadata etc.
|
||||
ffmpeg -i path/to/file.ext
|
||||
|
||||
# Convert all m4a files to mp3
|
||||
for f in *.m4a; do ffmpeg -i "$f" -acodec libmp3lame -ab 320k "${f%.m4a}.mp3"; done
|
||||
|
||||
# Listen to 10 seconds of audio from a video file
|
||||
#
|
||||
# -ss : start time
|
||||
# -t : seconds to cut
|
||||
# -autoexit : closes ffplay as soon as the audio finishes
|
||||
ffmpeg -ss 00:34:24.85 -t 10 -i path/to/file.mp4 -f mp3 pipe:play | ffplay -i pipe:play -autoexit
|
|
@ -20,10 +20,10 @@ find ./path/ -name '*.txt' -exec rm '{}' \;
|
|||
find ./path/ -name '*.txt' | xargs grep 'string'
|
||||
|
||||
# To find files with size bigger than 5 Mb and sort them by size:
|
||||
find ./ -size +5M -type f -print0 | xargs -0 ls -Ssh
|
||||
find . -size +5M -type f -print0 | xargs -0 ls -Ssh | sort -z
|
||||
|
||||
# To find files bigger thank 2 MB and list them:
|
||||
find / -type f -size +20000k -exec ls -lh {} \; | awk '{ print $9 ": " $5 }'
|
||||
find . -type f -size +20000k -exec ls -lh {} \; | awk '{ print $9 ": " $5 }'
|
||||
|
||||
# To find files modified more than 7 days ago and list file information
|
||||
find . -type f -mtime +7d -ls
|
||||
|
@ -41,4 +41,4 @@ find . -maxdepth 2 -name build -type d
|
|||
find . ! -iwholename '*.git*' -type f
|
||||
|
||||
# Find all files that have the same node (hard link) as MY_FILE_HERE
|
||||
find / -type f -samefile MY_FILE_HERE 2>/dev/null
|
||||
find . -type f -samefile MY_FILE_HERE 2>/dev/null
|
||||
|
|
|
@ -1,4 +1,4 @@
|
|||
# To set your identify:
|
||||
# To set your identity:
|
||||
git config --global user.name "John Doe"
|
||||
git config --global user.email johndoe@example.com
|
||||
|
||||
|
@ -17,9 +17,25 @@ git commit -m "Your commit message"
|
|||
# To edit previous commit message
|
||||
git commit --amend
|
||||
|
||||
# Git commit in the past
|
||||
git commit --date="`date --date='2 day ago'`"
|
||||
git commit --date="Jun 13 18:30:25 IST 2015"
|
||||
# more recent versions of Git also support --date="2 days ago" directly
|
||||
|
||||
# To change the date of an existing commit
|
||||
git filter-branch --env-filter \
|
||||
'if [ $GIT_COMMIT = 119f9ecf58069b265ab22f1f97d2b648faf932e0 ]
|
||||
then
|
||||
export GIT_AUTHOR_DATE="Fri Jan 2 21:38:53 2009 -0800"
|
||||
export GIT_COMMITTER_DATE="Sat May 19 01:01:01 2007 -0700"
|
||||
fi'
|
||||
|
||||
# To removed staged and working directory changes
|
||||
git reset --hard
|
||||
|
||||
# To go 2 commits back
|
||||
git reset --hard HEAD~2
|
||||
|
||||
# To remove untracked files
|
||||
git clean -f -d
|
||||
|
||||
|
@ -35,6 +51,9 @@ git push git@github.com:username/project.git
|
|||
# To delete the branch "branch_name"
|
||||
git branch -D branch_name
|
||||
|
||||
# To make an exisiting branch track a remote branch
|
||||
git branch -u upstream/foo
|
||||
|
||||
# To see who commited which line in a file
|
||||
git blame filename
|
||||
|
||||
|
@ -51,3 +70,37 @@ git show 83fb499:path/fo/file.ext # Shows the file as it a
|
|||
git diff branch_1 branch_2 # Check difference between branches
|
||||
git log # Show all the commits
|
||||
git status # Show the changes from last commit
|
||||
|
||||
# Commit history of a set of files
|
||||
git log --pretty=email --patch-with-stat --reverse --full-index -- Admin\*.py > Sripts.patch
|
||||
|
||||
# Import commits from another repo
|
||||
git --git-dir=../some_other_repo/.git format-patch -k -1 --stdout <commit SHA> | git am -3 -k
|
||||
|
||||
# View commits that will be pushed
|
||||
git log @{u}..
|
||||
|
||||
# View changes that are new on a feature branch
|
||||
git log -p feature --not master
|
||||
git diff master...feature
|
||||
|
||||
# Interactive rebase for the last 7 commits
|
||||
git rebase -i @~7
|
||||
|
||||
# Diff files WITHOUT considering them a part of git
|
||||
# This can be used to diff files that are not in a git repo!
|
||||
git diff --no-index path/to/file/A path/to/file/B
|
||||
|
||||
# To pull changes while overwriting any local commits
|
||||
git fetch --all
|
||||
git reset --hard origin/master
|
||||
|
||||
# Update all your submodules
|
||||
git submodule update --init --recursive
|
||||
|
||||
# Perform a shallow clone to only get latest commits
|
||||
# (helps save data when cloning large repos)
|
||||
git clone --depth 1 <remote-url>
|
||||
|
||||
# To unshallow a clone
|
||||
git pull --unshallow
|
||||
|
|
|
@ -1,13 +1,13 @@
|
|||
# Basic:
|
||||
# Search a file for a pattern
|
||||
grep pattern file
|
||||
|
||||
# case nonsensitive research:
|
||||
grep -i pattern file
|
||||
# Case insensitive search (with line numbers)
|
||||
grep -in pattern file
|
||||
|
||||
# Recursively grep for string <pattern> in folder:
|
||||
grep -R pattern folder
|
||||
|
||||
# Getting pattern from file (one by line):
|
||||
# Read search patterns from a file (one per line)
|
||||
grep -f pattern_file file
|
||||
|
||||
# Find lines NOT containing pattern
|
||||
|
@ -17,10 +17,13 @@ grep -v pattern file
|
|||
grep "^00" file #Match lines starting with 00
|
||||
grep -E "[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}" file #Find IP add
|
||||
|
||||
# Find all files who contain {pattern} in the directory {directory}.
|
||||
# Find all files which match {pattern} in {directory}
|
||||
# This will show: "file:line my research"
|
||||
grep -rnw 'directory' -e "pattern"
|
||||
|
||||
# Exclude grep from your grepped output of ps.
|
||||
# Add [] to the first letter. Ex: sshd -> [s]shd
|
||||
ps aux | grep '[h]ttpd'
|
||||
|
||||
# Colour in red {bash} and keep all other lines
|
||||
ps aux | grep -E --color 'bash|$'
|
||||
|
|
|
@ -0,0 +1,17 @@
|
|||
# To create a *.gz compressed file
|
||||
gzip test.txt
|
||||
|
||||
# To create a *.gz compressed file to a specific location using -c option (standard out)
|
||||
gzip -c test.txt > test_custom.txt.gz
|
||||
|
||||
# To uncompress a *.gz file
|
||||
gzip -d test.txt.gz
|
||||
|
||||
# Display compression ratio of the compressed file using gzip -l
|
||||
gzip -l *.gz
|
||||
|
||||
# Recursively compress all the files under a specified directory
|
||||
gzip -r documents_directory
|
||||
|
||||
# To create a *.gz compressed file and keep the original
|
||||
gzip < test.txt > test.txt.gz
|
|
@ -0,0 +1,32 @@
|
|||
# Display all hardware details
|
||||
sudo lshw
|
||||
|
||||
# List currently loaded kernel modules
|
||||
lsmod
|
||||
|
||||
# List all modules available to the system
|
||||
find /lib/modules/$(uname -r) -type f -iname "*.ko"
|
||||
|
||||
# Load a module into kernel
|
||||
modprobe modulename
|
||||
|
||||
# Remove a module from kernel
|
||||
modprobe -r modulename
|
||||
|
||||
# List devices connected via pci bus
|
||||
lspci
|
||||
|
||||
# Debug output for pci devices (hex)
|
||||
lspci -vvxxx
|
||||
|
||||
# Display cpu hardware stats
|
||||
cat /proc/cpuinfo
|
||||
|
||||
# Display memory hardware stats
|
||||
cat /proc/meminfo
|
||||
|
||||
# Output the kernel ring buffer
|
||||
dmesg
|
||||
|
||||
# Ouput kernel messages
|
||||
dmesg --kernel
|
|
@ -0,0 +1,74 @@
|
|||
As a contributor to open-source
|
||||
-------------------------------
|
||||
|
||||
# clone your own project
|
||||
$ git clone dotfiles
|
||||
→ git clone git://github.com/YOUR_USER/dotfiles.git
|
||||
|
||||
# clone another project
|
||||
$ git clone github/hub
|
||||
→ git clone git://github.com/github/hub.git
|
||||
|
||||
# see the current project's issues
|
||||
$ git browse -- issues
|
||||
→ open https://github.com/github/hub/issues
|
||||
|
||||
# open another project's wiki
|
||||
$ git browse mojombo/jekyll wiki
|
||||
→ open https://github.com/mojombo/jekyll/wiki
|
||||
|
||||
## Example workflow for contributing to a project:
|
||||
$ git clone github/hub
|
||||
$ cd hub
|
||||
# create a topic branch
|
||||
$ git checkout -b feature
|
||||
→ ( making changes ... )
|
||||
$ git commit -m "done with feature"
|
||||
# It's time to fork the repo!
|
||||
$ git fork
|
||||
→ (forking repo on GitHub...)
|
||||
→ git remote add YOUR_USER git://github.com/YOUR_USER/hub.git
|
||||
# push the changes to your new remote
|
||||
$ git push YOUR_USER feature
|
||||
# open a pull request for the topic branch you've just pushed
|
||||
$ git pull-request
|
||||
→ (opens a text editor for your pull request message)
|
||||
|
||||
|
||||
As an open-source maintainer
|
||||
----------------------------
|
||||
|
||||
# fetch from multiple trusted forks, even if they don't yet exist as remotes
|
||||
$ git fetch mislav,cehoffman
|
||||
→ git remote add mislav git://github.com/mislav/hub.git
|
||||
→ git remote add cehoffman git://github.com/cehoffman/hub.git
|
||||
→ git fetch --multiple mislav cehoffman
|
||||
|
||||
# check out a pull request for review
|
||||
$ git checkout https://github.com/github/hub/pull/134
|
||||
→ (creates a new branch with the contents of the pull request)
|
||||
|
||||
# directly apply all commits from a pull request to the current branch
|
||||
$ git am -3 https://github.com/github/hub/pull/134
|
||||
|
||||
# cherry-pick a GitHub URL
|
||||
$ git cherry-pick https://github.com/xoebus/hub/commit/177eeb8
|
||||
→ git remote add xoebus git://github.com/xoebus/hub.git
|
||||
→ git fetch xoebus
|
||||
→ git cherry-pick 177eeb8
|
||||
|
||||
# `am` can be better than cherry-pick since it doesn't create a remote
|
||||
$ git am https://github.com/xoebus/hub/commit/177eeb8
|
||||
|
||||
# open the GitHub compare view between two releases
|
||||
$ git compare v0.9..v1.0
|
||||
|
||||
# put compare URL for a topic branch to clipboard
|
||||
$ git compare -u feature | pbcopy
|
||||
|
||||
# create a repo for a new project
|
||||
$ git init
|
||||
$ git add . && git commit -m "It begins."
|
||||
$ git create -d "My new thing"
|
||||
→ (creates a new project on GitHub with the name of current directory)
|
||||
$ git push origin master
|
|
@ -0,0 +1,32 @@
|
|||
# Display all interfaces with addresses
|
||||
ip addr
|
||||
|
||||
# Take down / up the wireless adapter
|
||||
ip link set dev wlan0 {up|down}
|
||||
|
||||
# Set a static IP and netmask
|
||||
ip addr add 192.168.1.100/32 dev eth0
|
||||
|
||||
# Remove a IP from an interface
|
||||
ip addr del 192.168.1.100/32 dev eth0
|
||||
|
||||
# Remove all IPs from an interface
|
||||
ip address flush dev eth0
|
||||
|
||||
# Display all routes
|
||||
ip route
|
||||
|
||||
# Display all routes for IPv6
|
||||
ip -6 route
|
||||
|
||||
# Add default route via gateway IP
|
||||
ip route add default via 192.168.1.1
|
||||
|
||||
# Add route via interface
|
||||
ip route add 192.168.0.0/24 dev eth0
|
||||
|
||||
# Change your mac address
|
||||
ip link set dev eth0 address aa:bb:cc:dd:ee:ff
|
||||
|
||||
# View neighbors (using ARP and NDP)
|
||||
ip neighbor show
|
|
@ -19,3 +19,14 @@ journalctl /usr/bin/dbus-daemon
|
|||
# Filter by PID
|
||||
journalctl _PID=123
|
||||
|
||||
# Filter by Command, e.g., sshd
|
||||
journalctl _COMM=sshd
|
||||
|
||||
# Filter by Command and time period
|
||||
journalctl _COMM=crond --since '10:00' --until '11:00'
|
||||
|
||||
# List all available boots
|
||||
journalctl --list-boots
|
||||
|
||||
# Filter by specific User ID e.g., user id 1000
|
||||
journalctl _UID=1000
|
||||
|
|
|
@ -0,0 +1,13 @@
|
|||
# Pretty print the json
|
||||
jq "." < filename.json
|
||||
|
||||
# Access the value at key "foo"
|
||||
jq '.foo'
|
||||
|
||||
# Access first list item
|
||||
jq '.[0]'
|
||||
|
||||
# Slice & Dice
|
||||
jq '.[2:4]'
|
||||
jq '.[:3]'
|
||||
jq '.[-2:]'
|
|
@ -0,0 +1,25 @@
|
|||
# Add entry to default jrnl (from your configured text editor)
|
||||
jrnl
|
||||
|
||||
# Add entry to default jrnl
|
||||
jrnl Write entry here.
|
||||
|
||||
# List of tags
|
||||
jrnl --tags
|
||||
|
||||
# Entries per tag
|
||||
jrnl @tag
|
||||
|
||||
# Export jrnl as json
|
||||
jrnl --export json
|
||||
|
||||
# Entries in a timeframe
|
||||
jrnl -from 2009 -until may
|
||||
|
||||
# Add Sublime text to .jrnl_config
|
||||
|
||||
# Windows
|
||||
"editor": "F:\\Powerpack\\Sublime\\sublime_text.exe -w"
|
||||
|
||||
# Linux
|
||||
"editor": "/usr/bin/sublime -w"
|
|
@ -0,0 +1,23 @@
|
|||
# Display available libraries
|
||||
ldconfig -p
|
||||
|
||||
# Update library resources
|
||||
ldconfig
|
||||
|
||||
# Display libraries and file location
|
||||
ldd
|
||||
|
||||
# Libraries available to apps in real-time
|
||||
"Dynamic Libraries" (.so.)
|
||||
|
||||
# Libraries only available to apps when installed (imported)
|
||||
"Static Libraries" (.a.)
|
||||
|
||||
# Standard (usual) library file location
|
||||
/lib
|
||||
|
||||
# Sofware-accessible source for library info
|
||||
/etc/ld.so.cache # (binary)
|
||||
|
||||
# Human-readable source for library info
|
||||
/etc/ld.so.conf # (points to /etc/ld.so.conf.d)
|
|
@ -1,2 +1,5 @@
|
|||
# To create a symlink:
|
||||
ln -s path/to/the/target/directory name-of-symlink
|
||||
|
||||
# Symlink, while overwriting existing destination files
|
||||
ln -sf /some/dir/exec /usr/bin/exec
|
||||
|
|
|
@ -9,3 +9,9 @@ ls -lh
|
|||
|
||||
# Display files, sorted by size
|
||||
ls -S
|
||||
|
||||
# Display directories only
|
||||
ls -d */
|
||||
|
||||
# Display directories only, include hidden
|
||||
ls -d .*/ */
|
||||
|
|
|
@ -0,0 +1,7 @@
|
|||
#Exclusive Activation of a Volume Group in a Cluster
|
||||
#Link --> https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/High_Availability_Add-On_Administration/s1-exclusiveactive-HAAA.html
|
||||
1> vgs --noheadings -o vg_name
|
||||
2> volume_list = [ "rhel_root", "rhel_home" ]
|
||||
3> dracut -H -f /boot/initramfs-$(uname -r).img $(uname -r)
|
||||
4> Reboot the node
|
||||
5> uname -r to verify the correct initrd image
|
|
@ -0,0 +1,5 @@
|
|||
# Convert a man page to pdf
|
||||
man -t bash | ps2pdf - bash.pdf
|
||||
|
||||
# View the ascii chart
|
||||
man 7 ascii
|
|
@ -35,6 +35,9 @@ ___
|
|||
# links
|
||||
This is [an example](http://example.com "Title") inline link.
|
||||
|
||||
# image
|
||||
![Alt Text](/path/to/file.png)
|
||||
|
||||
# emphasis
|
||||
*em* _em_
|
||||
|
||||
|
|
|
@ -0,0 +1,3 @@
|
|||
# To show the file start at line number 5
|
||||
more +5 file
|
||||
|
|
@ -1,6 +1,9 @@
|
|||
# To mount / partition as read-write in repair mode:
|
||||
mount -o remount,rw /
|
||||
|
||||
# Bind mount path to a second location
|
||||
mount --bind /origin/path /destination/path
|
||||
|
||||
# To mount Usb disk as user writable:
|
||||
mount -o uid=username,gid=usergroup /dev/sdx /mnt/xxx
|
||||
|
||||
|
|
|
@ -12,3 +12,8 @@ CREATE DATABASE owa CHARACTER SET utf8 COLLATE utf8_general_ci;
|
|||
|
||||
# To add a user and give rights on the given database
|
||||
GRANT ALL PRIVILEGES ON database.* TO 'user'@'localhost'IDENTIFIED BY 'password' WITH GRANT OPTION;
|
||||
|
||||
# To list the privileges granted to the account that you are using to connect to the server. Any of the 3 statements will work.
|
||||
SHOW GRANTS FOR CURRENT_USER();
|
||||
SHOW GRANTS;
|
||||
SHOW GRANTS FOR CURRENT_USER;
|
||||
|
|
|
@ -1,16 +1,16 @@
|
|||
# To dump a database to a file (Note that your password will appear in your command history!):
|
||||
# To dump a database to a file (Note that your password will appear in your command history!):
|
||||
mysqldump -uusername -ppassword the-database > db.sql
|
||||
|
||||
# To dump a database to a file:
|
||||
mysqldump -uusername -p the-database > db.sql
|
||||
|
||||
# To dump a database to a .tgz file (Note that your password will appear in your command history!):
|
||||
# To dump a database to a .tgz file (Note that your password will appear in your command history!):
|
||||
mysqldump -uusername -ppassword the-database | gzip -9 > db.sql
|
||||
|
||||
# To dump a database to a .tgz file:
|
||||
mysqldump -uusername -p the-database | gzip -9 > db.sql
|
||||
|
||||
# To dump all databases to a file (Note that your password will appear in your command history!):
|
||||
# To dump all databases to a file (Note that your password will appear in your command history!):
|
||||
mysqldump -uusername -ppassword --all-databases > all-databases.sql
|
||||
|
||||
# To dump all databases to a file:
|
||||
|
|
|
@ -0,0 +1,20 @@
|
|||
# To open a TCP connection to port 42 of host.example.com, using port 31337 as the source port, with a timeout of 5 seconds:
|
||||
nc -p 31337 -w 5 host.example.com 42
|
||||
|
||||
# To open a UDP connection to port 53 of host.example.com:
|
||||
nc -u host.example.com 53
|
||||
|
||||
# To open a TCP connection to port 42 of host.example.com using 10.1.2.3 as the IP for the local end of the connection:
|
||||
nc -s 10.1.2.3 host.example.com 42
|
||||
|
||||
# To create and listen on a UNIX-domain stream socket:
|
||||
nc -lU /var/tmp/dsocket
|
||||
|
||||
# To connect to port 42 of host.example.com via an HTTP proxy at 10.2.3.4, port 8080. This example could also be used by ssh(1); see the ProxyCommand directive in ssh_config(5) for more information.
|
||||
nc -x10.2.3.4:8080 -Xconnect host.example.com 42
|
||||
|
||||
# The same example again, this time enabling proxy authentication with username "ruser" if the proxy requires it:
|
||||
nc -x10.2.3.4:8080 -Xconnect -Pruser host.example.com 42
|
||||
|
||||
# To choose the source IP for the testing using the -s option
|
||||
nc -zv -s source_IP target_IP Port
|
|
@ -23,13 +23,15 @@ nmap -source-port [port] [target]
|
|||
nmap -A [target]
|
||||
|
||||
# Speedup your scan:
|
||||
nmap -T5 --min-parallelism=50 [target]
|
||||
# -n => disable ReverseDNS
|
||||
# --min-rate=X => min X packets / sec
|
||||
nmap -T5 --min-parallelism=50 -n --min-rate=300 [target]
|
||||
|
||||
# Traceroute:
|
||||
nmap -traceroute [target]
|
||||
|
||||
# Ping scan only: -sP
|
||||
# Don't ping: -PN
|
||||
# Don't ping: -PN <- Use full if a host don't reply to a ping.
|
||||
# TCP SYN ping: -PS
|
||||
# TCP ACK ping: -PA
|
||||
# UDP ping: -PU
|
||||
|
@ -38,6 +40,9 @@ nmap -traceroute [target]
|
|||
# Example: Ping scan all machines on a class C network
|
||||
nmap -sP 192.168.0.0/24
|
||||
|
||||
# Force TCP scan: -sT
|
||||
# Force UDP scan: -sU
|
||||
|
||||
# Use some script:
|
||||
nmap --script default,safe
|
||||
|
||||
|
@ -55,3 +60,10 @@ nmap --script "default and safe"
|
|||
|
||||
# Loads scripts in the default, safe, or intrusive categories, except for those whose names start with http-.
|
||||
nmap --script "(default or safe or intrusive) and not http-*"
|
||||
|
||||
# Scan for the heartbleed
|
||||
# -pT:443 => Scan only port 443 with TCP (T:)
|
||||
nmap -T5 --min-parallelism=50 -n --script "ssl-heartbleed" -pT:443 127.0.0.1
|
||||
|
||||
# Show all informations (debug mode)
|
||||
nmap -d ...
|
||||
|
|
|
@ -0,0 +1,20 @@
|
|||
# To list VMs on current tenant:
|
||||
nova list
|
||||
|
||||
# To list VMs of all tenants (admin user only):
|
||||
nova list --all-tenants
|
||||
|
||||
# To boot a VM on a specific host:
|
||||
nova boot --nic net-id=<net_id> \
|
||||
--image <image_id> \
|
||||
--flavor <flavor> \
|
||||
--availability-zone nova:<host_name> <vm_name>
|
||||
|
||||
# To stop a server
|
||||
nova stop <server>
|
||||
|
||||
# To start a server
|
||||
nova start <server>
|
||||
|
||||
# To attach a network interface to a specific VM:
|
||||
nova interface-attach --net-id <net_id> <server>
|
|
@ -0,0 +1,33 @@
|
|||
# Verify ntpd running:
|
||||
service ntp status
|
||||
|
||||
# Start ntpd if not running:
|
||||
service ntp start
|
||||
|
||||
# Display current hardware clock value:
|
||||
sudo hwclock -r
|
||||
|
||||
# Apply system time to hardware time:
|
||||
sudo hwclock --systohc
|
||||
|
||||
# Apply hardware time to system time:
|
||||
sudo hwclock --hctosys
|
||||
|
||||
# Set hwclock to local time:
|
||||
sudo hwclock --localtime
|
||||
|
||||
# Set hwclock to UTC:
|
||||
sudo hwclock --utc
|
||||
|
||||
# Set hwclock manually:
|
||||
sudo hwclock --set --date="8/10/15 13:10:05"
|
||||
|
||||
# Query surrounding stratum time servers
|
||||
ntpq -pn
|
||||
|
||||
# Config file:
|
||||
/etc/ntp.conf
|
||||
|
||||
# Driftfile:
|
||||
location of "drift" of your system clock compared to ntp servers
|
||||
/var/lib/ntp/ntp.drift
|
|
@ -0,0 +1,2 @@
|
|||
# Convert bytes to Human readable format
|
||||
numfmt --to=iec --suffix=B --padding=7 1048576
|
|
@ -19,3 +19,6 @@ openssl x509 -text -noout -in server.crt
|
|||
echo | openssl s_client -connect <hostname>:443 2> /dev/null | \
|
||||
awk '/-----BEGIN/,/END CERTIFICATE-----/' | \
|
||||
openssl x509 -noout -enddate
|
||||
|
||||
# Generate Diffie-Hellman parameters:
|
||||
openssl dhparam -outform PEM -out dhparams.pem 2048
|
||||
|
|
|
@ -0,0 +1,5 @@
|
|||
# Print details related to Client and server configuration
|
||||
p4 info
|
||||
|
||||
# Open a file and add it to depot
|
||||
p4 add <filename>
|
|
@ -0,0 +1,15 @@
|
|||
# Concat columns from files
|
||||
paste file1 file2 ...
|
||||
|
||||
# List the files in the current directory in three columns:
|
||||
ls | paste - - -
|
||||
|
||||
# Combine pairs of lines from a file into single lines:
|
||||
paste -s -d '\t\n' myfile
|
||||
|
||||
# Number the lines in a file, similar to nl(1):
|
||||
sed = myfile | paste -s -d '\t\n' - -
|
||||
|
||||
# Create a colon-separated list of directories named bin,
|
||||
# suitable for use in the PATH environment variable:
|
||||
find / -name bin -type d | paste -s -d : -
|
|
@ -0,0 +1,8 @@
|
|||
# ping a host with a total count of 15 packets overall.
|
||||
ping -c 15 www.example.com
|
||||
|
||||
# ping a host with a total count of 15 packets overall, one every .5 seconds (faster ping).
|
||||
ping -c 15 -i .5 www.example.com
|
||||
|
||||
# test if a packet size of 1500 bytes is supported (to check the MTU for example)
|
||||
ping -s 1500 -c 10 -M do www.example.com
|
|
@ -0,0 +1,2 @@
|
|||
# get all ipv6 neighbors via broadcast ping
|
||||
ping6 -I eth0 ff02::1
|
|
@ -0,0 +1,21 @@
|
|||
# Search for packages
|
||||
pip search SomePackage
|
||||
|
||||
# Install some packages
|
||||
pip install SomePackage
|
||||
|
||||
# Output and install packages in a requirement file
|
||||
pip freeze > requirements.txt
|
||||
pip install -r requirements.txt
|
||||
|
||||
# Show details of a package
|
||||
pip show SomePackage
|
||||
|
||||
# List outdated packages
|
||||
pip list --outdated
|
||||
|
||||
# Upgrade all outdated packages, thanks to http://stackoverflow.com/a/3452888
|
||||
pip freeze --local | grep -v '^\-e' | cut -d = -f 1 | xargs -n1 pip install -U
|
||||
|
||||
# Install specific version of a package
|
||||
pip install -I SomePackage1==1.1.0 'SomePackage2>=1.0.4'
|
|
@ -0,0 +1,49 @@
|
|||
Moving around
|
||||
Ctrl-b Move the cursor one character ⇦ to the left
|
||||
Ctrl-f Move the cursor one character ⇨ to the right
|
||||
Alt-b Move the cursor one word ⇦ to the left
|
||||
Alt-f Move the cursor one word ⇨ to the right
|
||||
Ctrl-a Move the cursor ⇤ to the start of the line
|
||||
Ctrl-e Move the cursor ⇥ to the end of the line
|
||||
Ctrl-x-x Move the cursor ⇤⇥ to the start, and to the end again
|
||||
|
||||
Cut, copy and paste
|
||||
Backspace Delete the character ⇦ to the left of the cursor
|
||||
DEL
|
||||
Ctrl-d Delete the character underneath the cursor
|
||||
Ctrl-u Delete everything ⇤ from the cursor back to the line start
|
||||
Ctrl-k Delete everything ⇥ from the cursor to the end of the line
|
||||
Alt-d Delete word ⇨ until before the next word boundary
|
||||
Ctrl-w Delete word ⇦ until after the previous word boundary
|
||||
Ctrl-y Yank/Paste prev. killed text at the cursor position
|
||||
Alt-y Yank/Paste prev. prev. killed text at the cursor position
|
||||
|
||||
History
|
||||
Ctrl-p Move in history one line ⇧ before this line
|
||||
Ctrl-n Move in history one line ⇩ after this line
|
||||
Alt-> Move in history all the lines ⇩ to the line currently being entered
|
||||
Ctrl-r Incrementally search the line history ⇧ backwardly
|
||||
Ctrl-s Incrementally search the line history ⇩ forwardly
|
||||
Ctrl-J End an incremental search
|
||||
Ctrl-G Abort an incremental search and restore the original line
|
||||
Alt-Ctrl-y Yank/Paste arg. 1 of prev. cmnd at the cursor position
|
||||
Alt-.
|
||||
Alt-_ Yank/Paste last arg of prev. cmnd at the cursor position
|
||||
|
||||
Undo
|
||||
Ctrl-_
|
||||
Ctrl-x
|
||||
Ctrl-u Undo the last editing command; you can undo all the way back to an empty line
|
||||
Alt-r Undo all changes made to this line
|
||||
Ctrl-l Clear the screen, reprinting the current line at the top
|
||||
Ctrl-l Clear the screen, reprinting the current line at the top
|
||||
|
||||
Completion
|
||||
TAB Auto-complete a name
|
||||
Alt-/ Auto-complete a name (without smart completion)
|
||||
Alt-? List the possible completions of the preceeding text
|
||||
Alt-* Insert all possible completions of the preceeding text
|
||||
|
||||
Transpose
|
||||
Ctrl-t Transpose/drag char. before the cursor ↷ over the character at the cursor
|
||||
Alt-t Transpose/drag word before the cursor ↷ over the word at/after the cursor
|
|
@ -3,3 +3,6 @@ rm -rf path/to/the/target/
|
|||
|
||||
# Ignore non existent files
|
||||
rm -f path/to/the/target
|
||||
|
||||
# Remove a file with his inode
|
||||
find /tmp/ -inum 6666 -exec rm -i '{}' \;
|
||||
|
|
|
@ -0,0 +1,29 @@
|
|||
# To display routing table IP addresses instead of host names:
|
||||
route -n
|
||||
|
||||
# To add a default gateway:
|
||||
route add default gateway 192.168.0.1
|
||||
|
||||
# To add the normal loopback entry, using netmask 255.0.0.0 and associated with the "lo" device (assuming this device was previously set up correctly with ifconfig(8)).
|
||||
route add -net 127.0.0.0 netmask 255.0.0.0 dev lo
|
||||
|
||||
# To add a route to the local network 192.56.76.x via "eth0". The word "dev" can be omitted here.
|
||||
route add -net 192.56.76.0 netmask 255.255.255.0 dev eth0
|
||||
|
||||
# To delete the current default route, which is labeled "default" or 0.0.0.0 in the destination field of the current routing table.
|
||||
route del default
|
||||
|
||||
# To add a default route (which will be used if no other route matches). All packets using this route will be gatewayed through "mango-gw". The device which will actually be used for that route depends on how we can reach "mango-gw" - the static route to "mango-gw" will have to be set up before.
|
||||
route add default gw mango-gw
|
||||
|
||||
# To add the route to the "ipx4" host via the SLIP interface (assuming that "ipx4" is the SLIP host).
|
||||
route add ipx4 sl0
|
||||
|
||||
# To add the net "192.57.66.x" to be gateway through the former route to the SLIP interface.
|
||||
route add -net 192.57.66.0 netmask 255.255.255.0 gw ipx4
|
||||
|
||||
# To install a rejecting route for the private network "10.x.x.x."
|
||||
route add -net 10.0.0.0 netmask 255.0.0.0 reject
|
||||
|
||||
# This is an obscure one documented so people know how to do it. This sets all of the class D (multicast) IP routes to go via "eth0". This is the correct normal configuration line with a multicasting kernel
|
||||
route add -net 224.0.0.0 netmask 240.0.0.0 dev eth0
|
|
@ -0,0 +1,31 @@
|
|||
# To install a package:
|
||||
rpm -ivh <rpm>
|
||||
|
||||
# To remove a package:
|
||||
rpm -e <package>
|
||||
|
||||
# To remove a package, but not its dependencies
|
||||
rpm -e --nodeps <package>
|
||||
|
||||
# To find what package installs a file:
|
||||
rpm -qf </path/to/file>
|
||||
|
||||
# To find what files are installed by a package:
|
||||
rpm -ql <package>
|
||||
rpm -qpl <rpm>
|
||||
|
||||
# To find what packages require a package or file:
|
||||
rpm -q --whatrequires <package>
|
||||
rpm -q --whatrequires <file>
|
||||
|
||||
# To list all installed packages:
|
||||
rpm -qa
|
||||
|
||||
# To find a pkg's dependencies
|
||||
rpm -i --test <package>
|
||||
|
||||
# Display checksum against source
|
||||
rpm -K <package>
|
||||
|
||||
# Verify a package
|
||||
rpm -V <package>
|
|
@ -0,0 +1,21 @@
|
|||
'rss2email -- converts rss feeds and emails them to your inbox'
|
||||
|
||||
# List all feeds
|
||||
r2e list
|
||||
|
||||
# Convert RSS entries to email
|
||||
r2e run
|
||||
|
||||
# Add a new feed
|
||||
r2e add <feed address>
|
||||
|
||||
# Add a new feed with new email address
|
||||
r2e add <feed address> [newemail address]
|
||||
|
||||
# Delete a feed
|
||||
r2e delete <# of feed in list/>
|
||||
|
||||
# Help
|
||||
r2e -h
|
||||
|
||||
|
|
@ -1,6 +1,14 @@
|
|||
# copy files from remote to local, maintaining file propertires and sym-links (-a), zipping for faster transfer (-z), verbose (-v).
|
||||
# To copy files from remote to local, maintaining file properties and sym-links (-a), zipping for faster transfer (-z), verbose (-v).
|
||||
rsync -avz host:file1 :file1 /dest/
|
||||
rsync -avz /source host:/dest
|
||||
|
||||
# Copy files using checksum (-c), rather than time, to detect if the file has changed. (Useful for validating backups).
|
||||
# Copy files using checksum (-c) rather than time to detect if the file has changed. (Useful for validating backups).
|
||||
rsync -avc /source/ /dest/
|
||||
|
||||
# Copy contents of /src/foo to destination:
|
||||
|
||||
# This command will create /dest/foo if it does not already exist
|
||||
rsync -auv /src/foo /dest
|
||||
|
||||
# Explicitly copy /src/foo to /dest/foo
|
||||
rsync -auv /src/foo/ /dest/foo
|
||||
|
|
|
@ -10,5 +10,8 @@ echo 'It is daytime' | sed 's/day/night/g'
|
|||
# To remove leading spaces
|
||||
sed -i -r 's/^\s+//g' file.txt
|
||||
|
||||
# Remove empty lines and print results to stdout:
|
||||
# To remove empty lines and print results to stdout:
|
||||
sed '/^$/d' file.txt
|
||||
|
||||
# To replace newlines in multiple lines
|
||||
sed ':a;N;$!ba;s/\n//g' file.txt
|
||||
|
|
|
@ -0,0 +1,5 @@
|
|||
# To display public shares on the server:
|
||||
smbclient -L <hostname> -U%
|
||||
|
||||
# To connect to a share:
|
||||
smbclient //<hostname>/<share> -U<username>%<password>
|
|
@ -0,0 +1,5 @@
|
|||
# To retrieve all of the variables under system for host zeus
|
||||
snmpwalk -Os -c public -v 1 zeus system
|
||||
|
||||
# To retrieve the scalar values, but omit the sysORTable for host zeus
|
||||
snmpwalk -Os -c public -v 1 -CE sysORTable zeus system
|
|
@ -0,0 +1,18 @@
|
|||
ss
|
||||
Utility to investigate sockets
|
||||
|
||||
Args
|
||||
-4/-6 list ipv4/ipv6 sockets
|
||||
-n numeric addresses instead of hostnames
|
||||
-l list listing sockets
|
||||
-u/-t/-x list udp/tcp/unix sockets
|
||||
-p Show process(es) that using socket
|
||||
|
||||
# show all listing tcp sockets including the corresponding process
|
||||
ss -tlp
|
||||
|
||||
# show all sockets connecting to 192.168.2.1 on port 80
|
||||
ss -t dst 192.168.2.1:80
|
||||
|
||||
# show all ssh related connection
|
||||
ss -t state established '( dport = :ssh or sport = :ssh )'
|
|
@ -4,12 +4,19 @@ ssh -i /path/to/file.pem user@example.com
|
|||
# To connect on an non-standard port:
|
||||
ssh -p 2222 user@example.com
|
||||
|
||||
# To connect and forward the authentication agent
|
||||
ssh -A user@example.com
|
||||
|
||||
# To execute a command on a remote server:
|
||||
ssh -t user@example.com 'the-remote-command'
|
||||
|
||||
# To tunnel an x session over SSH:
|
||||
ssh -X user@example.com
|
||||
|
||||
# Redirect traffic with a tunnel between local host (port 8080) and a remote
|
||||
# host (remote.example.com:5000) through a proxy (personal.server.com):
|
||||
ssh -f -L 8080:remote.example.com:5000 user@personal.server.com -N
|
||||
|
||||
# To launch a specific x application over SSH:
|
||||
ssh -X -t user@example.com 'chromium-browser'
|
||||
|
||||
|
@ -21,3 +28,7 @@ ssh user@example.com -C -c blowfish -X
|
|||
|
||||
# For more information, see:
|
||||
# http://unix.stackexchange.com/q/12755/44856
|
||||
|
||||
# Copy files and folders through ssh from remote host to pwd with tar.gz compression
|
||||
# when there is no rsync command available
|
||||
ssh user@example.com "cd /var/www/Shared/; tar zcf - asset1 asset2" | tar zxf -
|
||||
|
|
|
@ -0,0 +1,18 @@
|
|||
# Display process startup time
|
||||
systemd-analyze
|
||||
|
||||
# Display process startup time at service level
|
||||
systemd-analyze blame
|
||||
|
||||
# List running units
|
||||
systemctl list-units
|
||||
|
||||
# Load a unit at startup
|
||||
systemctl enable foo.service
|
||||
|
||||
# Start or Stop a unit
|
||||
systemctl <start | stop> foo.service
|
||||
|
||||
# Unit file locations
|
||||
/etc/systemd/system
|
||||
/usr/lib/systemd/system
|
|
@ -24,3 +24,8 @@ tar -jtvf /path/to/foo.tgz
|
|||
|
||||
# To create a .gz archive and exclude all jpg,gif,... from the tgz
|
||||
tar czvf /path/to/foo.tgz --exclude=\*.{jpg,gif,png,wmv,flv,tar.gz,zip} /path/to/foo/
|
||||
|
||||
# To use parallel (multi-threaded) implementation of compression algorithms:
|
||||
tar -z ... -> tar -Ipigz ...
|
||||
tar -j ... -> tar -Ipbzip2 ...
|
||||
tar -J ... -> tar -Ipixz ...
|
||||
|
|
|
@ -0,0 +1,5 @@
|
|||
# To tee stdout to a file:
|
||||
ls | tee outfile.txt
|
||||
|
||||
# To tee stdout and append to a file:
|
||||
ls | tee -a outfile.txt
|
|
@ -0,0 +1,22 @@
|
|||
#replace : with new line
|
||||
echo $PATH|tr ":" "\n" #equivalent with:
|
||||
echo $PATH|tr -t ":" \n
|
||||
|
||||
#remove all occurance of "ab"
|
||||
echo aabbcc |tr -d "ab"
|
||||
#ouput: cc
|
||||
|
||||
#complement "aa"
|
||||
echo aabbccd |tr -c "aa" 1
|
||||
#output: aa11111 without new line
|
||||
#tip: Complement meaning keep aa,all others are replaced with 1
|
||||
|
||||
#complement "ab\n"
|
||||
echo aabbccd |tr -c "ab\n" 1
|
||||
#output: aabb111 with new line
|
||||
|
||||
#Preserve all alpha(-c). ":-[:digit:] etc" will be translated to "\n". sequeeze mode.
|
||||
echo $PATH|tr -cs "[:alpha:]" "\n"
|
||||
|
||||
#ordered list to unordered list
|
||||
echo "1. /usr/bin\n2. /bin" |tr -cs " /[:alpha:]\n" "+"
|
|
@ -0,0 +1,11 @@
|
|||
# Get info about block device
|
||||
udisksctl info -b <block_device>
|
||||
|
||||
# Mounting device
|
||||
udisksctl mount --block-device <block_device>
|
||||
|
||||
# Unmounting device
|
||||
udisksctl unmount --block-device <block_device>
|
||||
|
||||
# Get help
|
||||
udisksctl help
|
|
@ -0,0 +1,18 @@
|
|||
# show all lines without duplication
|
||||
# `sort -u` and `uniq` is the same effect.
|
||||
sort file | uniq
|
||||
|
||||
# show not duplicated lines
|
||||
sort file | uniq -u
|
||||
|
||||
# show duplicated lines only
|
||||
sort file | uniq -d
|
||||
|
||||
# count all lines
|
||||
sort file | uniq -c
|
||||
|
||||
# count not duplicated lines
|
||||
sort file | uniq -uc
|
||||
|
||||
# count only duplicated lines
|
||||
sort file | uniq -dc
|
|
@ -0,0 +1,8 @@
|
|||
# Extract archive
|
||||
unzip archive.zip
|
||||
|
||||
# Test integrity of archive
|
||||
unzip -tq archive.zip
|
||||
|
||||
# List files and directories in a file
|
||||
unzip -l archive.zip
|
|
@ -0,0 +1,33 @@
|
|||
# Initate Vagrant
|
||||
mkdir vag-vm; cd vag-vm
|
||||
vagrant init
|
||||
|
||||
# Add a box to vagrant repo
|
||||
vagrant box add hashicorp/precise32
|
||||
|
||||
# Add a box Vagrant file
|
||||
config.vm.box = "hashicorp/precise32"
|
||||
|
||||
# Add vm to public network as host
|
||||
config.vm.network "public_network"
|
||||
|
||||
# Add provision script to vagrant file
|
||||
config.vm.provision :shell, path: "provision.sh"
|
||||
|
||||
# Start vm
|
||||
vagrant up
|
||||
|
||||
# Connect to started instance
|
||||
vagrant ssh
|
||||
|
||||
# Shutdown vm
|
||||
vagrant halt
|
||||
|
||||
# Hibernate vm
|
||||
vagrant suspend
|
||||
|
||||
# Set vm to initial state by cleaning all data
|
||||
vagrant destroy
|
||||
|
||||
# Restart vm with new provision script
|
||||
vagran reload --provision
|
|
@ -0,0 +1,16 @@
|
|||
# Set unread marker on all windows
|
||||
Ctrl-s Ctrl-u
|
||||
|
||||
# Switch buffer left
|
||||
Ctrl-p, Alt-left
|
||||
# Switch buffer right
|
||||
Ctrl-n, Alt-right
|
||||
# Next buffer with activity
|
||||
Alt-a
|
||||
# Switch buffers
|
||||
Alt-0...9
|
||||
|
||||
# Scroll buffer title
|
||||
F9/F10
|
||||
# Scroll nick list
|
||||
F11/F12
|
|
@ -2,7 +2,7 @@
|
|||
wget http://path.to.the/file
|
||||
|
||||
# To download a file and change its name
|
||||
wget http://path.to.the/file -o newname
|
||||
wget http://path.to.the/file -O newname
|
||||
|
||||
# To download a file into a directory
|
||||
wget -P path/to/directory http://path.to.the/file
|
||||
|
@ -30,3 +30,6 @@ wget -r -l1 -A.extension http://myserver.com/directory
|
|||
|
||||
# Allows you to download just the headers of responses (-S --spider) and display them on Stdout (-O -).
|
||||
wget -S --spider -O - http://google.com
|
||||
|
||||
# Change the User-Agent to 'User-Agent: toto'
|
||||
wget -U 'toto' http://google.com
|
||||
|
|
|
@ -22,6 +22,9 @@ yum info <package name>
|
|||
# List currently enabled repositories:
|
||||
yum repolist
|
||||
|
||||
# List packages containing a certain keyword:
|
||||
yum list <package_name_or_word_to_search>
|
||||
|
||||
# To download the source RPM for a package:
|
||||
yumdownloader --source <package name>
|
||||
|
||||
|
|
|
@ -0,0 +1,5 @@
|
|||
# Create zip file
|
||||
zip archive.zip file1 directory/
|
||||
|
||||
# To list, test and extract zip archives, see unzip
|
||||
cheat unzip
|
|
@ -0,0 +1,21 @@
|
|||
# Halt zone
|
||||
zoneadm -z <zone_name> halt
|
||||
|
||||
# Delete Zone
|
||||
zoneadm -z <zone_name> halt
|
||||
zoneadm -z <zone_name> uninstall
|
||||
|
||||
# Verify Zone
|
||||
zoneadm -z <zone_name> verify
|
||||
|
||||
# Installing Zone
|
||||
zoneadm -z <zone_name> install
|
||||
|
||||
# Boot Zone
|
||||
zoneadm -z <zone_name> boot
|
||||
|
||||
# Reboot Zone
|
||||
zoneadm -z <zone_name> reboot
|
||||
|
||||
# List Zones
|
||||
zoneadm list -cv
|
|
@ -26,27 +26,15 @@ def create_or_edit(sheet):
|
|||
if not exists(sheet):
|
||||
create(sheet)
|
||||
|
||||
# if the cheatsheet exists and is writeable...
|
||||
elif exists(sheet) and is_writable(sheet):
|
||||
# if the cheatsheet exists but not in the default_path, copy it to the
|
||||
# default path before editing
|
||||
elif exists(sheet) and not exists_in_default_path(sheet):
|
||||
copy(path(sheet), os.path.join(sheets.default_path(), sheet))
|
||||
edit(sheet)
|
||||
|
||||
# if the cheatsheet exists but is not writable...
|
||||
elif exists(sheet) and not is_writable(sheet):
|
||||
# ... ask the user if we should copy the cheatsheet to her home directory for editing
|
||||
yes = prompt_yes_or_no(
|
||||
'The ' + sheet + ' sheet is not editable. Do you want to copy it to '
|
||||
'your user cheatsheets directory before editing? Keep in mind that '
|
||||
'your sheet will always be used before system-wide one.'
|
||||
)
|
||||
|
||||
# if yes, copy the cheatsheet to the home directory before editing
|
||||
if yes:
|
||||
copy(path(sheet), os.path.join(sheets.default_path(), sheet))
|
||||
edit(sheet)
|
||||
|
||||
# if no, just abort
|
||||
else:
|
||||
die('Aborting.')
|
||||
# if it exists and is in the default path, then just open it
|
||||
else:
|
||||
edit(sheet)
|
||||
|
||||
|
||||
def create(sheet):
|
||||
|
@ -75,6 +63,12 @@ def exists(sheet):
|
|||
return sheet in sheets.get() and os.access(path(sheet), os.R_OK)
|
||||
|
||||
|
||||
def exists_in_default_path(sheet):
|
||||
""" Predicate that returns true if the sheet exists in default_path"""
|
||||
default_path_sheet = os.path.join(sheets.default_path(), sheet)
|
||||
return sheet in sheets.get() and os.access(default_path_sheet, os.R_OK)
|
||||
|
||||
|
||||
def is_writable(sheet):
|
||||
""" Predicate that returns true if the sheet is writeable """
|
||||
return sheet in sheets.get() and os.access(path(sheet), os.W_OK)
|
||||
|
|
|
@ -2,24 +2,11 @@ from cheat import cheatsheets
|
|||
from cheat.utils import *
|
||||
import os
|
||||
|
||||
# @kludge: it breaks the functional paradigm to a degree, but declaring this
|
||||
# var here (versus within get()) gives us a "poor man's" memoization on the
|
||||
# call to get(). This, in turn, spares us from having to call out to the
|
||||
# filesystem more than once.
|
||||
cheats = {}
|
||||
|
||||
|
||||
def default_path():
|
||||
""" Returns the full path to the default cheatsheet directory """
|
||||
|
||||
# the default path becomes confused when cheat is run as root, so fail
|
||||
# under those circumstances. (There is no good reason to need to run cheat
|
||||
# as root.)
|
||||
if os.name != 'nt' and os.geteuid() == 0:
|
||||
die('Please do not run this application as root.')
|
||||
|
||||
# determine the default cheatsheet dir
|
||||
default_sheets_dir = get_default_data_dir()
|
||||
default_sheets_dir = os.environ.get('DEFAULT_CHEAT_DIR') or os.path.join(os.path.expanduser('~'), '.cheat')
|
||||
|
||||
# create the DEFAULT_CHEAT_DIR if it does not exist
|
||||
if not os.path.isdir(default_sheets_dir):
|
||||
|
@ -43,11 +30,7 @@ def default_path():
|
|||
|
||||
def get():
|
||||
""" Assembles a dictionary of cheatsheets as name => file-path """
|
||||
|
||||
# if we've already reached out to the filesystem, just return the result
|
||||
# from memory
|
||||
if cheats:
|
||||
return cheats
|
||||
cheats = {}
|
||||
|
||||
# otherwise, scan the filesystem
|
||||
for cheat_dir in reversed(paths()):
|
||||
|
|
|
@ -1,8 +1,7 @@
|
|||
from __future__ import print_function
|
||||
import os
|
||||
import sys
|
||||
|
||||
from xdg.BaseDirectory import save_data_path
|
||||
|
||||
|
||||
def colorize(sheet_content):
|
||||
""" Colorizes cheatsheet content if so configured """
|
||||
|
@ -49,42 +48,18 @@ def editor():
|
|||
|
||||
def prompt_yes_or_no(question):
|
||||
""" Prompts the user with a yes-or-no question """
|
||||
# Support Python 2 and 3 input
|
||||
# Default to Python 2's input()
|
||||
get_input = raw_input
|
||||
|
||||
# If this is Python 3, use input()
|
||||
if sys.version_info[:2] >= (3, 0):
|
||||
get_input = input
|
||||
|
||||
print(question)
|
||||
return raw_input('[y/n] ') == 'y'
|
||||
return get_input('[y/n] ') == 'y'
|
||||
|
||||
|
||||
def warn(message):
|
||||
""" Prints a message to stderr """
|
||||
print >> sys.stderr, (message)
|
||||
|
||||
|
||||
def get_default_data_dir():
|
||||
"""
|
||||
Returns the full path to the directory containing the users data.
|
||||
|
||||
Which directory is used, is determined the following way:
|
||||
|
||||
1. If the `DEFAULT_CHEAT_DIR` environment variable is set, use it.
|
||||
|
||||
2. If a `.cheat` directory exists in the home directory, use it.
|
||||
|
||||
3. Use a `cheat` directory in the systems default directory for user data.
|
||||
|
||||
"""
|
||||
user_dir = os.environ.get("DEFAULT_CHEAT_DIR")
|
||||
if not user_dir:
|
||||
user_dir = os.path.expanduser(os.path.join("~", ".cheat"))
|
||||
if not os.path.exists(user_dir):
|
||||
user_dir = get_userdata_dir()
|
||||
return user_dir
|
||||
|
||||
|
||||
def get_userdata_dir():
|
||||
"""
|
||||
Returns the full path to a `cheat` directory in the platform specific
|
||||
default data directory for the current user.
|
||||
|
||||
.. note:: The directory is created, if it's not already present.
|
||||
|
||||
"""
|
||||
return save_data_path('cheat')
|
||||
print((message), file=sys.stderr)
|
||||
|
|
|
@ -1,3 +1,2 @@
|
|||
docopt>=0.6.2
|
||||
Pygments>=1.6
|
||||
pyxdg>=0.25
|
||||
|
|
Loading…
Reference in New Issue