Package with distutils

Created cheatsheets package to store the default sheets.
This commit is contained in:
Louis Taylor
2013-08-13 11:01:06 +01:00
parent 098384d341
commit 8dda6a9241
23 changed files with 26 additions and 6 deletions

3
cheatsheets/__init__.py Normal file
View File

@ -0,0 +1,3 @@
import os
cheat_dir, __init = os.path.split(__file__)

2
cheatsheets/apt-cache Normal file
View File

@ -0,0 +1,2 @@
To search for apt packages:
apt-cache search "whatever"

14
cheatsheets/bash Normal file
View File

@ -0,0 +1,14 @@
To implement a for loop:
for file in `ls .`;
do echo 'file';
echo 'found';
done
To implement a case command:
case "$1"
in
0) echo "zero found";;
1) echo "one found";;
2) echo "two found";;
3) echo "three found";;
esac

19
cheatsheets/convert Normal file
View File

@ -0,0 +1,19 @@
To resize an image to a fixed width and proportional height:
convert original-image.jpg -resize 100x converted-image.jpg
To resize an image to a fixed height and proportional width:
convert original-image.jpg -resize x100 converted-image.jpg
To resize an image to a fixed width and height:
convert original-image.jpg -resize 100x100 converted-image.jpg
To resize an image and simultaneously change its file type:
convert original-image.jpg -resize 100x converted-image.png
To resize all of the images within a directory:
To implement a for loop:
for file in `ls original/image/path/`;
do new_path=${file%.*};
new_file=`basename $new_path`;
convert $file -resize 150 conerted/image/path/$new_file.png;
done

2
cheatsheets/cut Normal file
View File

@ -0,0 +1,2 @@
To cut out the third field of text or stdoutput that is delimited by a #:
cut -d# -f3

7
cheatsheets/dhclient Normal file
View File

@ -0,0 +1,7 @@
To release the current IP address:
sudo dhclient -r
To obtain a new IP address:
sudo dhclient
Running the above in sequence is a common way of refreshing an IP.

14
cheatsheets/find Normal file
View File

@ -0,0 +1,14 @@
To find files by extension (ex: .jpg):
find . -iname "*.jpg"
To find directories:
find . -type d
To find files:
find . -type f
To find files by octal permission:
find . -type f -perm 777
To find files with setuid bit set:
find . -xdev \( -perm -4000 \) -type f -print0 | xargs -0 ls -l

6
cheatsheets/git Normal file
View File

@ -0,0 +1,6 @@
To set your identify:
git config --global user.name "John Doe"
git config --global user.email johndoe@example.com
To enable color:
git config --global color.ui true

2
cheatsheets/ln Normal file
View File

@ -0,0 +1,2 @@
To create a symlink:
ln -s path/to/the/target/directory name-of-symlink

8
cheatsheets/mysqldump Normal file
View File

@ -0,0 +1,8 @@
To dump a database to a file:
mysqldump -uusername -ppassword the-database > db.sql
To dump a database to a .tgz file:
mysqldump -uusername -ppassword the-database | gzip -9 > db.sql
To dump all databases to a file:
mysqldump -uusername -ppassword --all-databases > all-databases.sql

2
cheatsheets/netstat Normal file
View File

@ -0,0 +1,2 @@
To view which users/processes are listening to which ports:
sudo netstat -lnptu

4
cheatsheets/notify-send Normal file
View File

@ -0,0 +1,4 @@
To send a desktop notification via dbus:
notify-send -i 'icon-file/name' -a 'application_name' 'summary' 'body of message'
The -i and -a flags can be omitted if unneeded.

8
cheatsheets/sed Normal file
View File

@ -0,0 +1,8 @@
To replace all occurrences of "day" with "night" and write to stdout:
sed s/day/night file.txt
To replace all occurrences of "day" with "night" within file.txt:
sed s/day/night file.txt > file.txt
To replace all occurrences of "day" with "night" on stdin:
echo 'It is daytime' | sed s/day/night/

13
cheatsheets/shred Normal file
View File

@ -0,0 +1,13 @@
To shred a file (5 passes) and verbose output:
shred -n 5 -v file.txt
To shred a file (5 passes) and a final overwrite of zeroes:
shred -n 5 -vz file.txt
To do the above, and then truncate and rm the file:
shred -n 5 -vzu file.txt
To shred a partition:
shred -n 5 -vz /dev/sda
Remember that shred may not behave as expected on journaled file systems if file data is being journaled.

2
cheatsheets/sockstat Normal file
View File

@ -0,0 +1,2 @@
To view which users/processes are listening to which ports:
sudo sockstat -l

8
cheatsheets/split Normal file
View File

@ -0,0 +1,8 @@
To split a large text file into smaller files of 1000 lines each:
split file.txt -l 1000
To split a large binary file into smaller files of 10M each:
split file.txt -b 10M
To consolidate split files into a single file:
cat x* > file.txt

11
cheatsheets/ssh Normal file
View File

@ -0,0 +1,11 @@
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
To launch a specific x application over SSH:
ssh -X -t user@example.com 'chromium-browser'
For more information, see:
http://unix.stackexchange.com/q/12755/44856

5
cheatsheets/ssh-copy-id Normal file
View File

@ -0,0 +1,5 @@
To copy a key to a remote host:
ssh-copy-id username@host
To copy a key to a remote host on a non-standard port:
ssh-copy-id username@host -p 2222

11
cheatsheets/ssh-keygen Normal file
View File

@ -0,0 +1,11 @@
To generate an SSH key:
ssh-keygen -t rsa
To generate a 4096-bit SSH key:
ssh-keygen -t rsa -b 4096
To copy a key to a remote host:
ssh-copy-id username@host
To copy a key to a remote host on a non-standard port:
ssh-copy-id username@host -p 2222

5
cheatsheets/stdout Normal file
View File

@ -0,0 +1,5 @@
To redirect stderr to stdout:
some-command 2>&1
To redirect stderr to a file
some-command 2> errors.txt

14
cheatsheets/tar Normal file
View File

@ -0,0 +1,14 @@
To extract an uncompressed archive:
tar -xvf /path/to/foo.tar
To extract a .gz archive:
tar -xzvf /path/to/foo.tgz
To create a .gz archive:
tar -czvf /path/to/foo.tgz /path/to/foo/
To extract a .bz2 archive:
tar -xjvf /path/to/foo.tgz
To create a .bz2 archive:
tar -cjvf /path/to/foo.tgz /path/to/foo/