All commands (14,187)

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commandlinefu.com is the place to record those command-line gems that you return to again and again. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.

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list files in mtime order
Simple but useful; list files in the current directory in mtime order. Useful if you've been working on something and then take a day or two off.

Convert CSV to JSON
Replace 'csv_file.csv' with your filename.

Install pip with Proxy
Installs pip packages defining a proxy

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

modify a file in place with perl
changes THIS to THAT in all files matching fileglob* without using secondary files

Perl One Liner to Generate a Random IP Address

Kill a process by its partial name (BSD/Mac)
This kills Activity Monitor

Find installed network devices
Find installed network devices.

Display connections histogram
Displays a connection histogram of active tcp connections. Works even better under an alias. Thanks @Areis1 for sharing this one.

list block devices
Shows all block devices in a tree with descruptions of what they are.


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