Quellen:

• https://wiki.ubuntuusers.de/.desktop-Dateien/
• https://specifications.freedesktop.org/desktop-entry-spec/latest/example.html

#Window Class ermitteln:
xprop WM_CLASS
# Dann "klick" auf die Titelleiste des unbekannten Fensters
 
# Validate *.desktop files
desktop-file-validate ~/.local/share/applications/<MYFILE>.desktop

System-Tools

apt-get update && apt-get dist-upgrade
apt-get install mc synaptic aptitude cifs-utils ca-certificates davfs2 libfuse2t64 gocryptfs gparted cryptmount partitionmanager putty sqlitebrowser dosfstools mtools fatcat fatresize curl gedit gnome-tweaks dconf-editor

Nützliche Werkzeuge

apt-get install flatpak openjdk-21-jdk kdiff3 krename krdc converseen rpi-imager qpdfview qtqr mediainfo mediainfo-gui dvbcut openshot-qt texlive texlive-lang-german texlive-latex-extra texmaker gnome-software-plugin-flatpak gnome-tweaks nemo vlc

Nutzung von Flatpak aktivieren

sudo flatpak remote-add --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepo

WebDAV

sudo usermod -aG davfs2 <benutzername>

KeepassXC

sudo add-apt-repository ppa:phoerious/keepassxc
sudo apt update
sudo apt install keepassxc

Unterstützung für GNOME Shell Erweiterungen installieren:

apt-get install gnome-browser-connector gnome-shell gnome-shell-common gnome-shell-extension-appindicator gnome-shell-extension-desktop-icons-ng gnome-shell-extension-gpaste gnome-shell-extension-manager gnome-shell-extension-prefs gnome-shell-extensions yaru-theme-gnome-shell gnome-shell-extension-apps-menu gnome-shell-extension-drive-menu gnome-shell-extension-status-icons gnome-shell-extension-system-monitor gnome-shell-extension-tiling-assistant gnome-shell-extensions-extra

In Firefox die folgende Erweiterung installieren: GNOME Shell-Integration
Dann via https://extensions.gnome.org/ die folgenden GNOME Shell Erweiterungen installieren:

• Apps Menu
• Bluetooth Battery Meter
• Edit Desktop Files (.desktop)
• Places Status Indicator
• Quick Settings Audio Panel
• Removable Drive Menu/
• Simple net speed (by bijignom) inkompatibel, 08/2025
• System Monitor (by fmuellner)
• Net speed Simplified (by Prateek SU)
• User Themes
• Dash to Panel (by charlesg99)
• Desktop Icons NG (DING) (by rastersof)
• Dash to Dock (by michele_g)

wget https://developers.yubico.com/yubioath-flutter/Releases/yubico-authenticator-latest-linux.tar.gz
tar xfz yubico-authenticator-latest-linux.tar.gz
cp -R yubico-authenticator-7.2.3-linux ~/bin/
ln -s ~/bin/yubico-authenticator-7.2.3-linux/ ~/bin/yubico
cp yubico-authenticator-7.2.3-linux/linux_support/com.yubico.yubioath.png ~/.icons/
cp yubico-authenticator-7.2.3-linux/linux_support/com.yubico.yubioath.desktop ~/.local/share/applications/
chmod +x ~/.local/share/applications/com.yubico.yubioath.desktop
echo "StartupWMClass=Yubico;" >> ~/.local/share/applications/com.yubico.yubioath.desktop
# EXEP Pfad in com.yubico.yubioath.desktop auf "~/bin/yubico/authenticator" anpassen!

sudo add-apt-repository ppa:nitrokey/nitrokey
sudo apt install nitrokey-app

Installation mach https://support.mozilla.org/de/kb/firefox-unter-linux-installieren#w_install-firefox-deb-package-for-debian-based-distributions

sudo install -d -m 0755 /etc/apt/keyrings
#
wget -q https://packages.mozilla.org/apt/repo-signing-key.gpg -O- | sudo tee /etc/apt/keyrings/packages.mozilla.org.asc > /dev/null
#
gpg -n -q --import --import-options import-show /etc/apt/keyrings/packages.mozilla.org.asc | awk '/pub/{getline; gsub(/^ +| +$/,""); if($0 == "35BAA0B33E9EB396F59CA838C0BA5CE6DC6315A3") print "\nThe key fingerprint matches ("$0").\n"; else print "\nVerification failed: the fingerprint ("$0") does not match the expected one.\n"}'
#
echo "deb [signed-by=/etc/apt/keyrings/packages.mozilla.org.asc] https://packages.mozilla.org/apt mozilla main" | sudo tee -a /etc/apt/sources.list.d/mozilla.list > /dev/null
#
touch /etc/apt/preferences.d/mozilla-firefox
#
mcedit /etc/apt/preferences.d/mozilla-firefox
#
Package: *
Pin: origin packages.mozilla.org
Pin-Priority: 1000
#
sudo apt update
#
sudo apt install firefox firefox-locale-de

Benutzerdefinierte Tabs: ~./mozilla/firefox/<PROFILE-FOLDER>/chrome/userChrome.css

userChrome.css

/* Optional: Zusätzlicher Abstand zwischen den Tabs */
.tabbrowser-tab + .tabbrowser-tab {
    margin-top: -6px !important; /* oder ein anderer gewünschter Abstand */
}

#TabsToolbar {
  --tab-min-height: 20px; /*  Passen Sie diesen Wert an (z.B. 40px, 50px) */
  --tab-max-height: 20px;
}

#tabbrowser-tabs {
  --tab-min-height: 20px; /*  Gleicher Wert wie oben */
  --tab-max-height: 20px;
}

Nach der Installation einfach den .thunderbird Ordner aus dem Backup ins Home-Verzeichnis zurück kopieren.

sudo apt-get update
sudo apt-get install thunderbird thunderbird-locale-de

# 1. Install our official public software signing key:
wget -O- https://updates.signal.org/desktop/apt/keys.asc | gpg --dearmor > signal-desktop-keyring.gpg;
cat signal-desktop-keyring.gpg | sudo tee /usr/share/keyrings/signal-desktop-keyring.gpg > /dev/null
 
# 2. Add our repository to your list of repositories:
echo 'deb [arch=amd64 signed-by=/usr/share/keyrings/signal-desktop-keyring.gpg] https://updates.signal.org/desktop/apt xenial main' |\
  sudo tee /etc/apt/sources.list.d/signal-xenial.list
 
# 3. Update your package database and install Signal:
sudo apt update && sudo apt install signal-desktop

add-apt-repository ppa:libreoffice/ppa 
apt-get update
apt-get install libreoffice

Angepasste Einstellungen:
Datei-Werkzeugleiste: openInNewTab,refresh,saveAn,print
Bearbeiten-Werkzeugleiste: firstPage,currentPage,previousPage,nextPage,search,copyToClipboardMode,addAnnotationMode
Ansicht-Werkzeugleiste: scaleFactor,zoomIn,zoomOut, continuousMode,twoPagesModem,originalSize,fitToPageWidthMode,fitToPageSizeMode,rotateLeft,rotateRight,fullscreen

• Home of Pinta

flatpak install flathub com.github.PintaProject.Pinta

Quellen:

• https://www.ausweisapp.bund.de/open-source-software
• https://flathub.org/apps/de.bund.ausweisapp.ausweisapp2
  

# Installation:
flatpak install flathub de.bund.ausweisapp.ausweisapp2
Start:
flatpak run de.bund.ausweisapp.ausweisapp2

### flatpak install flathub org.freecad.FreeCAD

flatpak install flathub com.prusa3d.PrusaSlicer
flatpak run com.prusa3d.PrusaSlicer

Download Linux Version von Visual Studio Code: https://code.visualstudio.com/docs/?dv=linux64_deb

dpkg -i code_1.102.0-1752099874_amd64.deb

# Videos schneiden mit LossLess-Cut:
flatpak install flathub no.mifi.losslesscut