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23.11.2023 17:05:17

Directly streaming youtube video using yt-dlp and mpv

This way you can avoid any hassle that comes with ads by avoiding them entirely by streaming video content directly to input of your video player such a mplayer or mpv and playing ir directly as shown below. The example below shows video of Never Gonna Give You Up by Rick Astley inside a new video player window.

$ yt-dlp -o - | mpv -

reposted by raumfahrtagentur
20.9.2022 15:42:11

Ubuntu 22.04 has an annoying apt bug. It does not properly upgrade all packages

Running apt in dist-upgrade mode generates weird results as some packages are not upgraded. The only solution is to manually add each not upgraded package to command line which is super annoying and wastes precious time :\ The following behavior is what reproduces faulty results:

juozas@xubuntu:~$ export LC_ALL=C
juozas@xubuntu:~$ sudo apt-get --no-install-recommends dist-upgrade
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Calculating upgrade... Done
The following packages were automatically installed and are no longer required:
  linux-headers-5.15.0-46 linux-headers-5.15.0-46-generic linux-image-5.15.0-46-generic linux-modules-5.15.0-46-generic linux-modules-extra-5.15.0-46-generic
  linux-tools-5.15.0-46 linux-tools-5.15.0-46-generic
Use 'sudo apt autoremove' to remove them.
The following packages have been kept back:
  fonts-opensymbol libreoffice libreoffice-base libreoffice-base-core libreoffice-base-drivers libreoffice-calc libreoffice-common libreoffice-core
  libreoffice-draw libreoffice-gtk libreoffice-gtk2 libreoffice-gtk3 libreoffice-help-common libreoffice-help-en-gb libreoffice-help-en-us libreoffice-impress
  libreoffice-l10n-en-gb libreoffice-l10n-en-za libreoffice-l10n-lt libreoffice-math libreoffice-report-builder-bin libreoffice-style-colibre libreoffice-writer
  libuno-cppu3 libuno-cppuhelpergcc3-3 libuno-purpenvhelpergcc3-3 libuno-sal3 libuno-salhelpergcc3-3 python3-uno uno-libs-private ure
0 upgraded, 0 newly installed, 0 to remove and 31 not upgraded.

Edit: It appers this is a new apt feature called phased updates. It can be easily disabled by adding

APT::Get::Always-Include-Phased-Updates "true";

to apt configuration (usually in /etc/apt/apt.conf.d/).

reposted by juozaspo raumfahrtagentur
13.4.2022 20:32:11

Installed Ubuntu 22.04 LTS from scratch, to be released within a week (April 21, 2022)

Ubuntu 22.04 LTS is soon to be released so I decided to do a complete reinstall. After booting into Linux Live USB first I've deleted everything from my old install except for the important stuff I needed to keep. Then I've reinstalled the base system using debootstrap and used a script I made to enter the chroot, I installed required packages there to make it boot and to be able to access network. Finally I've installed everything else I needed including graphical interface where a list of installed previously packages would help alot. Such list could be generated by running commands as shown in example below.

First generate package list files while in old system as shown below

$ apt-mark showmanual > manual_old.txt
$ dpkg-query -Wf '${Package}\n' > packages_old.txt

After reinstalling system repeat same in the new installation, only change output file names where needed.

$ apt-mark showmanual > manual.txt
$ dpkg-query -Wf '${Package}\n' > packages.txt

Finally compare package list files generated above, a list of missing packages would be stored in files as shown below

$ sort manual_old.txt > 1.txt; sort manual.txt > 2.txt; comm -23 1.txt 2.txt > missing_manual.txt
$ sort packages_old.txt > 1.txt; sort packages.txt > 2.txt; comm -23 1.txt 2.txt > missing.txt

reposted by juozaspo

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