My Thinkpad P52 has Nvidia graphics along with Intel. BIOS allows me to select between "hybrid" and "discrete" modes for graphics. Upon booting I wanted to find out how my graphics are being rendered so I looked around. prime-select says it is NVidia user@thehost:~$ prime-select query nvidia nv...

I have a problem regarding logging in into ubuntu...I did something, I don't know what but I cannot login anymore. Sudo, does not work, ll, ls, nothing...this is what I get from the command line after I got in by using CTRL+ALT+F3 in the login window I have attached a photo... Does anybody have a...

I just configured a raid5 server setup containing three hdds /dev/sda /dev/sdb /dev/sdc What is a good practice unix way of automatically checking the health of these drives and alerting the admin if any annomalies / disk crasch comes up? The purpose is to give a warning, leaving time for orderin...

I have my VPN set to auto-connect on startup/initial wifi connection which is great: However, sometimes the VPN fails (I am not sure how to emulate this), and instead of trying the whole connection again, it falls back to an unsecured connection instead of retrying the VPN. I would prefer it to ...