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flatpak
a system for building, distributing, and running sandboxed desktop applications on Linux.
Flatpak allows applications to be installed and run on virtually any Linux distribution. This includes non-GNU distributions, systemd-free distributions, distributions with a read-only operating system (OS), and various architectures without the developer needing the relevant hardware on hand.
Rootless install: elevated privileges are not required when installing a Flatpak application or a runtime.
Flatpak is built on top of a technology called OSTree, which is influenced by and very similar to the Git version control system.
Slackbuilds
This requires: xdg-desktop-portal-gtk, bubblewrap, ostree, appstream-glib
Slackware - Slackpkg
1 sudo slackpkg update
2 sudo slackpkg install appstream-glib ostree xdg-desktop-portal-gtk bubblewrap
3 sudo slackpkg install flatpak flatpak-builder
4 # https://flathub.org/apps/org.inkscape.Inkscape
5 flatpak --user remote-add --if-not-exists flathub \
6 https://dl.flathub.org/repo/flathub.flatpakrepo
7 flatpak install flathub org.inkscape.Inkscape
8 flatpak run org.inkscape.Inkscape
9 flatpak list
10 flatpak info org.inkscape.Inkscape
11 flatpak list --columns=name,size
12 flatpak remove org.inkscape.Inkscape
debian
1 sudo apt install flatpak flatpak-builder
2 flatpak --user remote-add --if-not-exists flathub \
3 https://dl.flathub.org/repo/flathub.flatpakrepo
4 flatpak install org.supertux.SuperTux-Milestone1
5 flatpak run org.supertux.SuperTux-Milestone1
6 # CMD https://aplicacoes.autenticacao.gov.pt/apps/pteid-mw-linux.x86_64.flatpak
7 flatpak --user install pteid-mw-linux.x86_64.flatpak
8 flatpak run pt.gov.autenticacao