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đŸ’ģ Ubuntu


apti = sudo aptitude install

unattended-upgr

  • Waiting for cache lock: …

  • sudo dpkg-reconfigure -plow unattended-upgrades

    • Select NO
  • To re-enable unattended upgrades, run the same command and select YES.

Dist Upgrade

  • sudo aptitude update && sudo aptitude upgrade

  • sudo do-release-upgrade -d

Adding Debian Testing repo

  • apti debian-keyring

  • apti debian-archive-keyring

  • vim /etc/apt/sources.list

    ++ deb [trusted=yes] http://http.us.debian.org/debian/ testing non-free contrib main
    
  • sudo apt-key adv --recv-keys --keyserver keyserver.ubuntu.com <key>

  • sudo apt-get update

Check [package] candidate version before installing

  • sudo apt-cache policy [package]

For an apt-get dummy run use:

  • apt-get -s install [packagex]

Changing hostname

Because sudo hostname newname would be too easy..

  • vi /etc/hostname

  • vi /etc/hosts

  • sudo service hostname start

Debian latest Firefox

No automatic updates..

  • mkdir /opt/firefox

  • wget -O FirefoxSetup.tar.bz2 "https://download.mozilla.org/?product=firefox-latest&os=linux64&lang=en-US"

  • tar xjf FirefoxSetup.tar.bz2 -C /opt/firefox/

  • mv /usr/lib/firefox-esr/firefox-esr /usr/lib/firefox-esr/firefox-esr_orig

  • ln -s /opt/firefox/firefox/firefox /usr/lib/firefox-esr/firefox-esr

  • To update repeat wget and tar

Bash Prompt

export PS1="\[\e[33m\]\u\[\e[m\]@\[\e[33m\]\h\[\e[m\] [\[\e[36m\]\w\[\e[m\]] [\[\e[35m\]\d\[\e[m\] \[\e[35m\]\@\[\e[m\]]\[\e[36m\]\\$\[\e[m\] "

Enable Bitmap Fonts

  • cd /etc/fonts/conf.d/

  • sudo rm -rf 70-no-bitmaps.conf && sudo ln -s ../conf.avail/70-yes-bitmaps.conf .

  • sudo dpkg-reconfigure fontconfig

Vim Airline plugin fonts fix

  • git clone https://github.com/powerline/fonts.git

    • cd fonts

    • ./install.sh

QEMU/KVM 20.04 Xorg crash leads to login loop

  • sudo apt-get purge gstreamer1.0-vaapi

  • sudo apt-get autoremove --purge

  • Set virtio as GPU if not already selected (!)

  • For vbox (!) use VMVGA

QEMU/KVM Installation

  • sudo apt-get install qemu qemu-kvm virt-manager