I wanted to spin down a hard drive before disconnecting. I have an external hard drive and even after I unmounted the drive the disks were still spinning.
Find the device label of the mounted drive:
$ lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 253:0 0 20G …more ...
I started thinking about doing a fresh linux install and was worried that I might not remember all the packages that I had manually installed. A quick search revealed a one-liner that compares the currently installed packages to the list of packages that were available initially to produce a nice …
more ...Changing the currently active audio output
First, list all the available output devices like so:
pacmd list-cards
Or similarly:
pactl list cards
Index of the card is found in the first couple lines:
$ pacmd list-cards Welcome to PulseAudio! Use "help" for usage information. >>> 1 …
I found eog to be too slow at rendering pictures for my purpose. I wanted to make feh (a commandline based image viewer) my default.
Try and figure out how to change default.
but I couldn't find feh listed as an option
Edit feh's …
I was helping my girlfriend watch some videos that she needed for a class that she was having trouble playing on her mac. Once I saw that ubuntu wasn't able to play them out of the box I looked at the extension and found a solution on ubuntu forums.
The …
more ...To play dvds first you must install a package:
sudo apt-get install libdvdread4
Next you will run this command and like magic it works:
sudo /usr/share/doc/libdvdread4/install-css.sh
You may need to reboot:
http://askubuntu.com/questions/500/how-can-i-play-encrypted-dvd-movies
more ...