Shell: Identify process using a given port number
Quickly get the information you need to free a used port
Shell: Identify process using a given port number
Quickly get the information you need to free a used port
Shell: Create a file backup with modification date as suffix
Useful prior to changing a configuration file
Shell: Dedup PATH variable
Perl to the rescue!
Python: Comment regular expressions
Use re.VERBOSE to your advantage
Git: Using 1password, gpg and git for seamless commit signing on linux
Make your tools work for you!