Commands by gamecax (0)

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Set GIT_COMMITTER_DATE = GIT_AUTHOR_DATE for all the git commits

Find files with lines that do not match a pattern
This one would be much faster, as it's only one executed command.

Generat a Random MAC address
Generate a random MAC address with capital letters

Performance tip: compress /usr/
Periodically run the one-liner above if/when there are significant changes to the files in /usr/ = Before rebooting, add following to /etc/fstab : = $ /squashed/usr/usr.sfs /squashed/usr/ro squashfs loop,ro 0 0 $ usr /usr aufs udba=reval,br:/squashed/usr/rw:/squashed/usr/ro 0 0 No need to delete original /usr/ ! (unless you don't care about recovery). Also AuFS does not work with XFS

Install a Firefox add-on/theme to all users
To install a theme use: $ sudo firefox -install-global-theme /path/to/theme You can get the .xpi or .jar file from the versions history on the add-on/theme page. NOTE: may not work in your system (Debian-based is an example).

Recover remote tar backup with ssh
Here how to recover the remote backup over ssh

Execute a sudo command remotely, without displaying the password
The ssh command alone will execute the sudo command remotely, but the password will be visible in the terminal as you type it. The two stty commands disable the terminal from echoing the password back to you, which makes the remote sudo act as it does locally.

Chronometer in hour format
Shorter and faster...

output your microphone to a remote computer's speaker

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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