The following command will mute and unmute the sound alternatively depending on the current setting:
1 | amixer -q -D pulse sset Master toggle |
The command can be assigned to a keyboard key combination using the Keyboard Settings application. The above assumed that PulseAudio is the primary audio system and that alsamixer is installed as well.
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From http://www.cs.utah.edu/~bigler/code/sshkeys.html Generate your key pair (do no enter password when prompted)
1 2 | cd ~/.ssh ssh-keygen -t rsa |
Copy public key to remote server
1 2 3 4 | cat ~/.ssh/id_rsa.pub | ssh user@remote.machine.com 'cat >> .ssh/authorized_keys' # If you need to make a .ssh directory on the remote machine cat ~/.ssh/id_rsa.pub | ssh user@remote.machine.com 'mkdir .ssh; cat >> .ssh/authorized_keys' |
The following will add a Ubuntu repository (PPA) key so that it is trusted by the system.
1 | sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys <key id> |