Ubuntu 22.04
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Podman : Generate Systemd unit file2022/04/28
 
It's possible to generate Systemd unit file and set auto-starting for containers.
[1] Generate Systemd unit file and Set auto-starting for containers.
root@dlp:~#
podman images 

REPOSITORY                  TAG         IMAGE ID      CREATED         SIZE
srv.world/ubuntu-nginx      latest      00787fa1628b  2 hours ago     170 MB
srv.world/ubuntu-apache2    latest      c5d3a78bc38f  2 hours ago     224 MB
docker.io/library/mariadb   latest      7a1ace59b072  6 days ago      421 MB
docker.io/library/ubuntu    latest      3f4714ee068a  6 days ago      80.3 MB
docker.io/library/registry  2           2e200967d166  3 weeks ago     24.7 MB
k8s.gcr.io/pause            3.5         ed210e3e4a5b  13 months ago   690 kB
# run container

root@dlp:~#
podman run --name ubuntu-nginx -d -p 80:80 srv.world/ubuntu-nginx
root@dlp:~#
podman ps 

CONTAINER ID  IMAGE                          COMMAND               CREATED        STATUS            PORTS               NAMES
04b8fbffb0ec  srv.world/ubuntu-nginx:latest  /usr/sbin/nginx -...  5 seconds ago  Up 5 seconds ago  0.0.0.0:80->80/tcp  ubuntu-nginx
# generate Systemd unit file

root@dlp:~#
podman generate systemd --new --files --name ubuntu-nginx

/root/container-ubuntu-nginx.service
root@dlp:~#
cat /root/container-ubuntu-nginx.service 

# container-ubuntu-nginx.service
# autogenerated by Podman 3.4.4
# Thu Apr 28 07:23:14 UTC 2022

[Unit]
Description=Podman container-ubuntu-nginx.service
Documentation=man:podman-generate-systemd(1)
Wants=network-online.target
After=network-online.target
RequiresMountsFor=%t/containers

[Service]
Environment=PODMAN_SYSTEMD_UNIT=%n
Restart=on-failure
TimeoutStopSec=70
ExecStartPre=/bin/rm -f %t/%n.ctr-id
ExecStart=/usr/bin/podman run --cidfile=%t/%n.ctr-id --cgroups=no-conmon --rm --sdnotify=conmon --replace --name ubuntu-nginx -d -p 80:80 srv.world/ubuntu-nginx
ExecStop=/usr/bin/podman stop --ignore --cidfile=%t/%n.ctr-id
ExecStopPost=/usr/bin/podman rm -f --ignore --cidfile=%t/%n.ctr-id
Type=notify
NotifyAccess=all

[Install]
WantedBy=default.target
root@dlp:~#
cp /root/container-ubuntu-nginx.service /usr/lib/systemd/system

# enable auto-starting

root@dlp:~#
systemctl enable container-ubuntu-nginx.service

Created symlink /etc/systemd/system/default.target.wants/container-ubuntu-nginx.service → /lib/systemd/system/container-ubuntu-nginx.service.
[2] Set auto-starting for pods.
# run Pod

root@dlp:~#
podman run -dt --pod new:nginx-pod -p 80:80 srv.world/ubuntu-nginx
root@dlp:~#
podman pod ls 

POD ID        NAME        STATUS      CREATED        INFRA ID      # OF CONTAINERS
47bcdc5af807  nginx-pod   Running     4 seconds ago  8a718f12a651  2
# generate Systemd unit file

root@dlp:~#
podman generate systemd --files --name nginx-pod

/root/container-youthful_galileo.service
/root/pod-nginx-pod.service
root@dlp:~#
cp /root/pod-nginx-pod.service /root/container-youthful_galileo.service /usr/lib/systemd/system

# enable auto-starting

root@dlp:~#
systemctl enable pod-nginx-pod.service container-youthful_galileo.service

Created symlink /etc/systemd/system/default.target.wants/pod-nginx-pod.service → /lib/systemd/system/pod-nginx-pod.service.
Created symlink /etc/systemd/system/default.target.wants/container-youthful_galileo.service → /lib/systemd/system/container-youthful_galileo.service.
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