Commands using ps (299)

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move you up one directory quickly
In bash, this turns on auto cd. If a command is just a directory name, it cd's into that directory.

show all programs connected or listening on a network port
Use the aliased command 'nsl'

Print all the lines between 10 and 20 of a file
Similarly, if you want to print from 10 to the end of line you can use: sed -n '10,$p' filename This is especially useful if you are dealing with a large file. Sometimes you just want to extract a sample without opening the entire file. Credit goes to wbx & robert at the comments section of http://www.commandlinefu.com/commands/view/348/get-line1000-from-text.#comment

Google URL shortener
(1) required: python-googl ( install by: pip install python-googl ) (2) get from google API console https://code.google.com/apis/console/

Compare copies of a file with md5

Find Mac address

Read a tcpdump file and count SYN packets to port 80, Order column by destination.

extract email adresses from some file (or any other pattern)
This will catch most separators in the section of the email: dot . dash - underscore _ plus + (added for gmail) ... and the basic dash '-' of host names.

Create a mirror of a local folder, on a remote server
Create a exact mirror of the local folder "/root/files", on remote server 'remote_server' using SSH command (listening on port 22) (all files & folders on destination server/folder will be deleted)

Show sorted list of files with sizes more than 1MB in the current dir


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