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Rename files in batch

See system users

shutdown pc in 4 hours without needing to keep terminal open / user logged in.
This way, you can specify how many hours in which you want your machine to shut down.

Command line progress bar
This command tar?s up a directory and sends the output to gzip, showing a rate of 223MB/s. This may require you installing the pv command. For debian based users out there: $ sudo aptitude install pv

rename all images in folder with prefix of date and time from exif data
imagemagick is required

Show network throughput
Real gurus don't need fancy tools like iftop or jnettop.

Avoid killing the X server with CTRL+C on the tty it was started from

Periodic Display of Fan Speed with Change Highlights
Uses the lm-sensors package in Linux to display fan speed. Grep RPM is used to discover lines containing the text RPM, and sed is used to edit out everything but the RPM number. The watch utility is used to update the display every 10 seconds and -d highlights any changes from the previous value. The eval function of Bash is used to execute the command enclosed in the ".." string.

Debug SSH at the Maximum Verbosity Level
When debugging an ssh connection either to optimize your settings ie compression, ciphers, or more commonly for debugging an issue connecting, this alias comes in real handy as it's not easy to remember the '-o LogLevel=DEBUG3' argument, which adds a boost of debugging info not available with -vvv alone. Especially useful are the FD info, and the setup negotiation to create a cleaner, faster connection.

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


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