Resolved a trivial merge conflcit in cheatsheets/sed. Resolved major merge conflict in ./cheat. Made very minor revision to @larsyencken's patch to prevent __init__.py/c files from being listed as cheatsheets.

This commit is contained in:
Chris Lane 2013-08-21 22:49:07 -04:00
commit fabd1bc242
25 changed files with 138 additions and 100 deletions

62
cheat
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@ -3,9 +3,21 @@ import os
import sys
DEFAULT_CHEAT_DIR = os.path.join(os.path.expanduser('~'), '.cheat')
USE_PYGMENTS = False
# NOTE remove this check if it is confirmed to work on windows
if os.name == 'posix':
try:
from pygments import highlight
from pygments.util import ClassNotFound
from pygments.lexers import get_lexer_for_filename, TextLexer
from pygments.formatters import TerminalFormatter
USE_PYGMENTS = True
except ImportError:
pass
# assembles a list of directories containing cheatsheets
def cheat_directories():
"Assembles a list of directories containing cheatsheets."
default_directories = [DEFAULT_CHEAT_DIR]
try:
import cheatsheets
@ -13,24 +25,27 @@ def cheat_directories():
except ImportError:
pass
default = [ default_dir for default_dir in default_directories if os.path.isdir(default_dir) ]
default = [default_dir for default_dir in default_directories
if os.path.isdir(default_dir)]
if 'CHEATPATH' in os.environ and os.environ['CHEATPATH']:
return [ path for path in os.environ['CHEATPATH'].split(os.pathsep)\
return [path for path in os.environ['CHEATPATH'].split(os.pathsep)
if os.path.isdir(path)] + default
else:
return default
# assembles a dictionary of cheatsheets found in the above directories
def cheat_files(cheat_directories):
"Assembles a dictionary of cheatsheets found in the above directories."
cheats = {}
for cheat_dir in reversed(cheat_directories):
cheats.update(dict([ (cheat, cheat_dir)\
for cheat in os.listdir(cheat_dir) if '.' not in cheat ]))
cheats.update(dict([(cheat, cheat_dir)
for cheat in os.listdir(cheat_dir)
if '.' not in cheat]))
return cheats
def main():
"""MAIN"""
def main():
# assemble a keyphrase out of all params passed to the script
keyphrase = ' '.join(sys.argv[1:])
cheat_dirs = cheat_directories()
@ -49,19 +64,42 @@ def main():
print "Usage: cheat [keyphrase]\n"
print "Available keyphrases:"
max_command = max([len(x) for x in cheatsheets.keys()]) + 3
print '\n'.join(sorted([ '%s [%s]' % (key.ljust(max_command), value)\
print '\n'.join(sorted(['%s [%s]' % (key.ljust(max_command), value)
for key, value in cheatsheets.items()]))
exit()
# print the cheatsheet if it exists
if keyphrase in cheatsheets:
with open (os.path.join(cheatsheets[keyphrase], keyphrase), 'r')\
as cheatsheet:
print cheatsheet.read()
filename = os.path.join(cheatsheets[keyphrase], keyphrase)
if USE_PYGMENTS:
pretty_print(filename)
else:
with open(filename) as istream:
for l in istream:
sys.stdout.write(l)
# if it does not, say so
else:
print 'No cheatsheet found for %s.' % keyphrase
def pretty_print(filename):
try:
if os.path.splitext(filename)[1]:
lexer = get_lexer_for_filename(filename)
else:
# shell is a sensible default when there is no extension
lexer = get_lexer_for_filename(filename + '.sh')
except ClassNotFound:
lexer = TextLexer()
with open(filename) as istream:
code = istream.read()
fmt = TerminalFormatter()
highlight(code, lexer, fmt, sys.stdout)
if __name__ == '__main__':
main()

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

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@ -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"

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@ -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";;

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@ -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 implement a for loop:
# 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`;

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@ -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

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@ -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.

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@ -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

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@ -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

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

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@ -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

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@ -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

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@ -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
Don't ping: -PN
TCP SYN ping: -PS
TCP ACK ping: -PA
UDP ping: -PU
ARP ping: -PR
# Ping scan only: -sP
# Don't ping: -PN
# TCP SYN ping: -PS
# TCP ACK ping: -PA
# UDP ping: -PU
# ARP ping: -PR

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@ -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.

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@ -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.)

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@ -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

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@ -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.

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@ -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

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@ -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

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@ -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:
http://unix.stackexchange.com/q/12755/44856
# For more information, see:
# http://unix.stackexchange.com/q/12755/44856

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@ -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

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@ -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

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@ -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

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@ -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/

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@ -5,7 +5,7 @@ import os
setup(name='cheat',
version='1.0',
description='Create and view interactive cheatsheets on the command-line',
description='Create and view interactive cheatsheets on the command-line', # nopep8
author='Chris Lane',
author_email='chris@chris-allen-lane.com',
url='https://github.com/chrisallenlane/cheat',