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123 lines
3.3 KiB
Python
Executable file
123 lines
3.3 KiB
Python
Executable file
#!/usr/bin/env python
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import sys
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# assemble a keyphrase out of all params passed to the script
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keyphrase = ' '.join(sys.argv[1:])
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# create a dictionary of cheatsheets
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cheatsheets = {
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########## convert ##########################################################
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'convert' : '''
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To resize an image to a fixed width and proportional height:
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convert original-image.jpg -resize 100x converted-image.jpg
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To resize an image to a fixed height and proportional width:
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convert original-image.jpg -resize x100 converted-image.jpg
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To resize an image to a fixed width and height:
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convert original-image.jpg -resize 100x100 converted-image.jpg
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To resize an image and simultaneously change its file type:
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convert original-image.jpg -resize 100x converted-image.png
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To resize all of the images within a directory:
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for file in original/image/path/;
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do new_path=${file%.*};
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new_file=`basename $new_path`;
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convert $file -resize 150 conerted/image/path/$new_file.png;
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done
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''',
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########## dhclient ##########################################################
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'dhclient' : '''
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@todo
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''',
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########## find ##############################################################
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'find' : '''
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executable perms
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file not directory
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directory not file
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''',
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########## git ###############################################################
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'git' : '''
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To set your identify:
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git config --global user.name "John Doe"
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git config --global user.email johndoe@example.com
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To enable color:
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git config --global color.ui true
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''',
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########## ifconfig ##########################################################
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'ifconfig' : '''
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@todo
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''',
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########## ln ################################################################
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'ln' : '''
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To create a symlink:
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ln -s path/to/the/target/directory name-of-symlink
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''',
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########## netstat ###########################################################
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'netstat' : '''
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To view which users/processes are listening to which ports:
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sudo netstat -lnptu
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''',
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########## sockstat ##########################################################
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'sockstat' : '''
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To view which users/processes are listening to which ports:
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sudo sockstat -l
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''',
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########## ssh ###############################################################
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'ssh' : '''
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To execute a command on a remote server:
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ssh -t user@example.com 'the-remote-command'
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To tunnel an x session over SSH:
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ssh -X user@example.com
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To launch a specific x application over SSH:
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ssh -X -t user@example.com 'chromium-browser'
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For more information, see:
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http://unix.stackexchange.com/q/12755/44856
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''',
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########## tar ###############################################################
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'tar' : '''
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To extract an uncompressed archive:
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tar -xvf /path/to/foo.tar
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To extract a .gz archive:
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tar -xzvf /path/to/foo.tgz
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To create a .gz archive:
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tar -czvf /path/to/foo.tgz /path/to/foo/
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To extract a .bz2 archive:
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tar -xjvf /path/to/foo.tgz
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To create a .bz2 archive:
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tar -cjvf /path/to/foo.tgz /path/to/foo/
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''',
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}
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# print help if requested
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if keyphrase in ['', 'help', '--help', '-h']:
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cheatsheets_sorted = cheatsheets.keys()
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cheatsheets_sorted.sort()
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print "Usage: cheat [keyphrase]\n"
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print "Available keyphrases:"
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print "\n".join(cheatsheets_sorted)
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exit()
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# print the cheatsheet if it exists
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print cheatsheets[keyphrase] if keyphrase in cheatsheets.keys() else 'No cheatsheet found.'
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