Commands by root (53)

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

Set pcap & SUID Bit for priv. network programs (like nmap)

distribution specific information

List PHP-FPM pools by total CPU usage

Record active input of soundcard to file.wav
You'll need sox package in Debian/Ubuntu.

Block an IP address from connecting to a server
This appends (-A) a new rule to the INPUT chain, which specifies to drop all packets from a source (-s) IP address.

Make changes in .bashrc immediately available
Any changes to BASH shell made in .bashrc will be active in the current terminal window from the moment you execute this command, ie. aliases, prompt settings etc. No need to restart terminal. (In BASH 'source' simile to 'eval' lets you generally execute any bunch of commands stacked in a text file).

Download files linked in a RSS feed
The difference between the original version provided and this one is that this one works rather than outputting a wget error

Show bz compressed PF binary log

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"


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