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Screen under systemd

From dankwiki

Sometimes I want to run a process in GNU Screen out of systemd, sometimes out of a user's session. This way, it gets started along with other services, I can monitor its status through standard systemd infrastructure, it gets restarted (or otherwise handled appropriately) on a crash or accidental kill/exit, but I can also come along at any time and monitor its (potentially tty-like) output and send it interactive input.

rtorrent under Screen

Here's my systemd unit for running rtorrent, a full-screen Ncurses application, under Screen in my user session:

# /home/dank/.config/systemd/user/rtorrent.service
[Unit]
Description=rtorrent screen session
After=network.target

[Service]
Type=simple
ExecStart=/usr/bin/screen -L -DmS rtorrent /usr/bin/rtorrent
ExecStop=/usr/bin/screen -S rtorrent -X quit
NoNewPrivileges=yes
ProtectKernelTunables=yes
ProtectControlGroups=yes
RestrictNamespaces=yes
WorkingDirectory=/home/dank/var/lib/rtorrent
#RestrictAddressFamilies=AF_INET AF_INET6
#ProtectSystem=yes

[Install]
WantedBy=default.target