Commands by exr (1)

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Selecting a random file/folder of a folder
Also looks in subfolders

export iPad App list to txt file
This will generate the same output without changing the current directory, and filepath will be relative to the current directory. Note: it will (still) fail if your iTunes library is in a non-standard location.

Remove Suspend option from XFCE logoff dialog

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"

Insert the last argument of the previous command
for example if you did a: $ ls -la /bin/ls then $ ls !$ is equivalent to doing a $ ls /bin/ls

Rename files in batch

Get your outgoing IP address
Get your external ip adress thanks to http://www.icanhazip.com

Detect illegal access to kernel space, potentially useful for Meltdown detection
Based on capsule8 agent examples, not rigorously tested

Copy with progress

Create a tar file with the current date in the name.
Same, but count of signs is little less :) .


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