Explicitly mark comment lines in builtin sheets.

cheatsheets/apt-cache

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

cheatsheets/asterisk

@@ -1,17 +1,17 @@
-To connect to a running Asterisk session:
+# To connect to a running Asterisk session:
 asterisk -rvvv
 
-To issue a command to Asterisk from the shell:
+# To issue a command to Asterisk from the shell:
 asterisk -rx "<command>"
 
-To originate an echo call from a SIP trunk on an Asterisk server, to a specified number:
+# To originate an echo call from a SIP trunk on an Asterisk server, to a specified number:
 asterisk -rx "channel originate SIP/<trunk>/<number> application echo"
 
-To print out the details of SIP accounts:
+# To print out the details of SIP accounts:
 asterisk -rx "sip show peers"
 
-To print out the passwords of SIP accounts:
+# To print out the passwords of SIP accounts:
 asterisk -rx "sip show users"
 
-To print out the current active channels:
+# To print out the current active channels:
 asterisk -rx "core show channels"

cheatsheets/bash

@@ -1,10 +1,10 @@
-To implement a for loop:
+# To implement a for loop:
 for file in `ls .`;
     do echo 'file';
     echo 'found';
 done
 
-To implement a case command:
+# To implement a case command:
 case "$1"
 in
     0) echo "zero found";;

cheatsheets/convert

@@ -1,17 +1,17 @@
-To resize an image to a fixed width and proportional height:
+# 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:
+# 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:
+# 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:
+# 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 resize all of the images within a directory:
-To implement a for loop:
+# To implement a for loop:
 for file in `ls original/image/path/`;
     do new_path=${file%.*};
     new_file=`basename $new_path`;

cheatsheets/cut

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

cheatsheets/dhclient

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

cheatsheets/find

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

cheatsheets/git

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

cheatsheets/ln

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

cheatsheets/mysqldump

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

cheatsheets/netstat

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

cheatsheets/nmap

@@ -1,33 +1,33 @@
-Single target scan:
+# Single target scan:
 nmap [target]
 
-Scan from a list of targets:
+# Scan from a list of targets:
 nmap -iL [list.txt]
 
-iPv6:
+# iPv6:
 nmap -6 [target]
 
-OS detection:
+# OS detection:
 nmap -O [target]
 
-Save output to text file:
+# Save output to text file:
 nmap -oN [output.txt] [target]
 
-Save output to xml file:
+# Save output to xml file:
 nmap -oX [output.xml] [target]
 
-Scan a specific port:
+# Scan a specific port:
 nmap -source-port [port] [target]
 
-Do an aggressive scan:
+# Do an aggressive scan:
 nmap -A [target]
 
-Traceroute:
+# Traceroute:
 nmap -traceroute [target]
 
-Ping scan only: -sP
+# Ping scan only: -sP
-Don't ping:     -PN
+# Don't ping:     -PN
-TCP SYN ping:   -PS
+# TCP SYN ping:   -PS
-TCP ACK ping:   -PA
+# TCP ACK ping:   -PA
-UDP ping:       -PU
+# UDP ping:       -PU
-ARP ping:       -PR
+# ARP ping:       -PR

cheatsheets/notify-send

@@ -1,4 +1,4 @@
-To send a desktop notification via dbus:
+# 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.
+# The -i and -a flags can be omitted if unneeded.

cheatsheets/openssl

@@ -1,10 +1,10 @@
-To create a 2048-bit private key:
+# To create a 2048-bit private key:
 openssl genrsa -out server.key 2048
 
-To create the Certificate Signing Request (CSR):
+# To create the Certificate Signing Request (CSR):
 openssl req -new -key server.key -out server.csr
 
-To sign a certificate using a private key and CSR:
+# To sign a certificate using a private key and CSR:
 openssl x509 -req -days 365 -in server.csr -signkey server.key -out server.crt
 
-(The above commands may be run in sequence to generate a self-signed SSL certificate.)
+# (The above commands may be run in sequence to generate a self-signed SSL certificate.)

cheatsheets/scp

@@ -1,5 +1,5 @@
-To copy a file from your local machine to a remote server:
+# To copy a file from your local machine to a remote server:
 scp foo.txt user@example.com:remote/dir
 
-To copy a file from a remote server to your local machine:
+# To copy a file from a remote server to your local machine:
-scp user@example.com:remote/dir/foo.txt local/dir
+scp user@example.com:remote/dir/foo.txt local/dir

cheatsheets/sed

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

cheatsheets/shred

@@ -1,13 +1,13 @@
-To shred a file (5 passes) and verbose output:
+# 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:
+# 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:
+# To do the above, and then truncate and rm the file:
 shred -n 5 -vzu file.txt
 
-To shred a partition:
+# 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.
+# Remember that shred may not behave as expected on journaled file systems if file data is being journaled.

cheatsheets/sockstat

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

cheatsheets/split

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

cheatsheets/ssh

@@ -1,11 +1,11 @@
-To execute a command on a remote server:
+# To execute a command on a remote server:
 ssh -t user@example.com 'the-remote-command'
 
-To tunnel an x session over SSH:
+# To tunnel an x session over SSH:
 ssh -X user@example.com
 
-To launch a specific x application over SSH:
+# To launch a specific x application over SSH:
 ssh -X -t user@example.com 'chromium-browser'
 
-For more information, see:
+# For more information, see:
-http://unix.stackexchange.com/q/12755/44856
+# http://unix.stackexchange.com/q/12755/44856

cheatsheets/ssh-copy-id

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

cheatsheets/ssh-keygen

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

cheatsheets/stdout

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

cheatsheets/tar

@@ -1,17 +1,17 @@
-To extract an uncompressed archive: 
+# To extract an uncompressed archive:
 tar -xvf /path/to/foo.tar
 
-To create an uncompressed archive: 
+# To create an uncompressed archive:
 tar -cvf /path/to/foo.tar /path/to/foo/
 
-To extract a .gz archive:
+# To extract a .gz archive:
 tar -xzvf /path/to/foo.tgz
 
-To create a .gz archive:
+# To create a .gz archive:
 tar -czvf /path/to/foo.tgz /path/to/foo/
 
-To extract a .bz2 archive:
+# To extract a .bz2 archive:
 tar -xjvf /path/to/foo.tgz
 
-To create a .bz2 archive:
+# To create a .bz2 archive:
 tar -cjvf /path/to/foo.tgz /path/to/foo/