Jellyfin "missing" after update

[Vast]

After an update to Jellyfin on TUXEDO OS (Ubuntu-based), Jellyfin would not start. I turned to Copilot and it pointed me to the following solution consisting of a health check and a service override.

Copilot considered the problem that I experienced as similar to this this one.

Code:

Purpose
Health Check

Use this one‑liner after updates to confirm Jellyfin is running correctly:

systemctl show -p ExecStart jellyfin.service && \
systemctl is-active jellyfin && \
curl -s -o /dev/null -w "%{http_code}\\n" http://localhost:8096
What it does
Shows the ExecStart command systemd is using (so you can see if it’s the override or the packaged unit).
Confirms whether the service is active.
Uses curl to check if the web UI responds with HTTP 200.
Notes
If ExecStart points to /usr/lib/jellyfin/bin/jellyfin and you get active + 200, your override is working.
If ExecStart points to /usr/bin/jellyfin and it still works, you can safely revert the override:
sudo systemctl revert jellyfin.service

Code:

Purpose
Override Jellyfin Service

Context
After upgrading Jellyfin on TUXEDO OS (Ubuntu 24.04 base), the packaged systemd unit would start and then exit cleanly, leaving the service inactive. To fix this, a custom override was created.

Override Location
File: /etc/systemd/system/jellyfin.service.d/override.conf
Override Contents
[Service]
Type=simple
User=jellyfin
Group=jellyfin
WorkingDirectory=/var/lib/jellyfin

ExecStart=
ExecStart=/usr/lib/jellyfin/bin/jellyfin \
  --datadir /var/lib/jellyfin \
  --cachedir /var/cache/jellyfin \
  --ffmpeg /usr/lib/jellyfin-ffmpeg/ffmpeg

Restart=on-failure
TimeoutSec=15
Management
Reload systemd after editing: sudo systemctl daemon-reexec
Restart service: sudo systemctl restart jellyfin
Check status: systemctl status jellyfin
Reverting
If a future Jellyfin update fixes the packaged unit, revert the override with:

sudo systemctl revert jellyfin.service