Commands by kulor (4)

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Find usb device in realtime
Using this command you can track a moment when usb device was attached.

Reverse a file

resize(1/2) the image using imagemagick

Fill up disk space (for testing)
Put into some file. No special purpouse, just for fun...

Get the gravatar UTL for a given email address

Do command when logged in from certain ips using ssh
Place in ~/.bashrc If you login to a ssh server from different ips, sometimes you want to do something specific for each. e.g., quickly go into screen -x session from a phone, but not your desktop.

enable all bash completions in gentoo

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)

Produce a pseudo random password with given length in base 64
Don't copy trailing '=' or use head -c to limit to desired length.

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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