Category Ubuntu
Ubuntu 14.04.2 LTS again messed up my tvtuner / VLC setup. After few recent updates, nothing worked anymore and the logs were useless. After rebuilding various VLC versions, activating debug logging (and assertions) and pouring through the logs, I was… Continue Reading →
From time to time, Ubuntu reorders the sound cards on my system, and I always have to find the recording device where the TV Tuner outputs the sound. This is to later use it in VLC on a line like:… Continue Reading →
pcDuino3 boots Ubuntu from the internal NAND. This is very slow, since a harmless
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sudo apt-get autoremove |
took about 53 seconds to finish.
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ubuntu@ubuntu:/media$ sudo time apt-get autoremove Reading package lists... Done Building dependency tree Reading state information... Done 0 upgraded, 0 newly installed, 0 to remove and 259 not upgraded. 12.88user 1.22system 0:53.23elapsed 26%CPU (0avgtext+0avgdata 100720maxresident)k 0inputs+91480outputs (21major+13544minor)pagefaults 0swaps |
However, having it booting from the sdcard brings the autoremove operation down to about 3 seconds. Yey!
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ubuntu@ubuntu:~$ sudo time apt-get autoremove Reading package lists... Done Building dependency tree Reading state information... Done 0 upgraded, 0 newly installed, 0 to remove and 1 not upgraded. 2.22user 0.07system 0:02.32elapsed 98%CPU (0avgtext+0avgdata 100272maxresident)k 0inputs+0outputs (0major+7746minor)pagefaults 0swaps |
Machine configuration: Q9000 CPU (quad-core, 2Ghz each core), 6Gb RAM Virtual Box configuration: 4CPUs assigned, 2Gb RAM, VT-x and Nested Paging enabled. $ time make …few moments later… real 886m32.317s user 802m0.227s sys 1790m41.039s
To adjust an old saying back into present “Those who have money and no time, they use Windows or Mac. Those that have time and no money, they use Linux”. I had troubles getting the web cam to work for… Continue Reading →
The tvtime-scanner generates a list of channels of whatever it finds, but it is annoying to have “No Signal” blue empty channels in between those that are actually broadcast. To have tvtime skip these channels, use this command once tvtime… Continue Reading →
After upgrading to Ubuntu 12.04, I’ve discovered that the volume buttons on my Tv Tuner remote failed to work (they were controlling the master volume). Digging a bit more, it seemed that xsendkeycode program wasn’t present anymore on the system,… Continue Reading →
As root:
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invoke-rc.d apparmor kill update-rc.d -f apparmor remove apt-get purge apparmor rm -rf /etc/apparmor* |
Gone forever 🙂
I’ve installed and configured openfire but the next time I wanted to log into the administration page surprise surprise – it did not recognize my root password. The solution is quite simple (in case you are using the embedded database… Continue Reading →
How come these days everybody wants your data in their cloud ? To remove it you need to first remove the client, by following the instructions here: https://answers.launchpad.net/ubuntuone-client/+faq/778 1. Quit the Ubuntu One client 2. $ sudo rm -rf ~/.local/share/ubuntuone… Continue Reading →