apt-config dump

For example, to get current values of APT::Install-Recommends and APT::Install-Suggests:

apt-config dump | grep :Install

APT::Install-Recommends "1";
APT::Install-Suggests "0";

References:

• https://wiki.debian.org/AptConfiguration
• https://manpages.debian.org/testing/apt/apt-config.8.en.html

Add this to your user input.conf (usually ~/.config/mpv/input.conf):

Alt+j cycle secondary-sid
Alt+J cycle secondary-sid down

Now Alt + j cycles through secondary subtitles, Alt + J does the same backwards.

EteSync is easy to use end-to-end encrypted sync for your contacts, calendars, tasks and notes. It seamlessly integrates with your existing apps so you won't even notice you are using it.

It is also easy to self-host, which we will do in a rootless podman container using victorrds/etesync image …

There are two types of disk snapshots in libvirt: internal and external. Internal snapshots (virsh default) store all data in one file. With external snapshots, base data and snapshot data is stored separately: base disk file is left intact, and all changes are written into a separate snapshot overlay file …

Chromium has a nice feature letting you make any website behave and look similar to a regular app: have its own icon in app launcher and task bar, and open in a separate window without browser UI. The problem is, on Plasma these web apps still get grouped with each …

UPD: Consider using Ungoogled Chromium — privacy focused Chromium without dependency on Google web services (you can still use extensions). There is an OBS repo for Ubuntu available.

Alternatively, you could install Chromium or Ungoogled Chromium with Flatpak.

As you might know, starting from 19.10 Ubuntu ships with Chromium as …

Server:

• Install:
  sudo apt install shadowsocks-libev
• Restore config from backup if you have one:
  sudo cp -a backup/etc/shadowsocks-libev /etc
  or just:

  sudo tee /etc/shadowsocks-libev/config.json << EOF
  {
      "server":"0.0.0.0",
      "server_port":8388,
      "local_port":1080,
      "password":"<password>",
      "timeout":60,
      "method":"chacha20-ietf-poly1305"
  }
  EOF
  

• Disable server …

This might be useful to connect e.g. Windows XP to ZeroTier network or other machines which you can't or don't want to install ZeroTier client to.

1. Create ZeroTier network in control panel and join it on your host

2. Allow Ethernet bridging for your host in control panel

   

3. In VM …

By default Akonadi uses MySQL and lots of agents, so total memory usage could be ~300-400 MB right from the start. If you don't need all of its capabilities, there is a way to make it use less memory.

1. Replace MySQL with SQLite:

   sudo apt install akonadi-backend-sqlite
   sed -i 's …

All at once:

sudo wget -O /usr/share/keyrings/element-io-archive-keyring.gpg \
          https://packages.element.io/debian/element-io-archive-keyring.gpg

echo "deb [signed-by=/usr/share/keyrings/element-io-archive-keyring.gpg] https://packages.element.io/debian/ default main" \
| sudo tee /etc/apt/sources.list.d/element-io.list

sudo apt update
sudo apt install element-desktop

Step-by-step …