To control SSH access based on location, I will use the GeoIP free database to determine the source IP address. Each time an external (non-local network) connection is initiated, the script will be executed by the SSH daemon to identify the region. If the region is not in the allowed list the connection will be…
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Android OS Application Description AirDroid File/Contact management through browser App Chooser Configure sharing apps App Protector Control access to applications Apps Organizer Manage applications with labels Battery Monitor Widget Battery life history/estimate Colors Background color selection Default App Manager Manage default apps for actions DiskUsage Disk usage Cabinet File manager Nova Launcher Desktop manager Notification…
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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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Start with a couple of simple tools: Windows’ built-in Disk Cleanup Piriform’s CCleaner If the above tools do not free up enough space, you can try several more advanced methods as described in below. C:\MSOCache Copy data to a different drive (e.g. H) Remove folder Edit registry and replace all references to C:\MSOCache with H:\MSOCache…
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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> |