# Vzorčna datoteka za nalogo Z6.2 (tečaj VPS in upravljanje strežnika Linux)
# Strežnik "web1" (Debian 13). Lastna storitev, ki poganja majhno spletno aplikacijo.

anna@web1:~$ systemctl status factuurapp
× factuurapp.service - Factuurapp (Node.js)
     Loaded: loaded (/etc/systemd/system/factuurapp.service; enabled; preset: enabled)
     Active: failed (Result: exit-code) since Mon 2026-11-09 10:15:07 CET; 12min ago
   Duration: 412ms
    Process: 2291 ExecStart=/usr/bin/node /opt/factuurapp/server.js (code=exited, status=1/FAILURE)
   Main PID: 2291 (code=exited, status=1/FAILURE)
        CPU: 389ms

anna@web1:~$ sudo journalctl -u factuurapp --since "2026-11-09 10:14" --no-pager
nov 09 10:15:01 web1 systemd[1]: Started factuurapp.service - Factuurapp (Node.js).
nov 09 10:15:01 web1 node[2240]: Factuurapp 3.2.0 start op 127.0.0.1:3000
nov 09 10:15:01 web1 node[2240]: Error: listen EADDRINUSE: address already in use 127.0.0.1:3000
nov 09 10:15:01 web1 node[2240]:     at Server.setupListenHandle [as _listen2] (node:net:1908:16)
nov 09 10:15:02 web1 systemd[1]: factuurapp.service: Main process exited, code=exited, status=1/FAILURE
nov 09 10:15:02 web1 systemd[1]: factuurapp.service: Failed with result 'exit-code'.
nov 09 10:15:03 web1 systemd[1]: factuurapp.service: Scheduled restart job, restart counter is at 1.
nov 09 10:15:03 web1 systemd[1]: Started factuurapp.service - Factuurapp (Node.js).
nov 09 10:15:03 web1 node[2252]: Error: listen EADDRINUSE: address already in use 127.0.0.1:3000
nov 09 10:15:03 web1 systemd[1]: factuurapp.service: Main process exited, code=exited, status=1/FAILURE
nov 09 10:15:03 web1 systemd[1]: factuurapp.service: Failed with result 'exit-code'.
nov 09 10:15:04 web1 systemd[1]: factuurapp.service: Scheduled restart job, restart counter is at 2.
nov 09 10:15:04 web1 systemd[1]: Started factuurapp.service - Factuurapp (Node.js).
nov 09 10:15:05 web1 node[2266]: Error: listen EADDRINUSE: address already in use 127.0.0.1:3000
nov 09 10:15:05 web1 systemd[1]: factuurapp.service: Main process exited, code=exited, status=1/FAILURE
nov 09 10:15:05 web1 systemd[1]: factuurapp.service: Failed with result 'exit-code'.
nov 09 10:15:06 web1 systemd[1]: factuurapp.service: Scheduled restart job, restart counter is at 3.
nov 09 10:15:06 web1 systemd[1]: Started factuurapp.service - Factuurapp (Node.js).
nov 09 10:15:06 web1 node[2279]: Error: listen EADDRINUSE: address already in use 127.0.0.1:3000
nov 09 10:15:06 web1 systemd[1]: factuurapp.service: Main process exited, code=exited, status=1/FAILURE
nov 09 10:15:06 web1 systemd[1]: factuurapp.service: Failed with result 'exit-code'.
nov 09 10:15:07 web1 systemd[1]: factuurapp.service: Scheduled restart job, restart counter is at 4.
nov 09 10:15:07 web1 systemd[1]: Started factuurapp.service - Factuurapp (Node.js).
nov 09 10:15:07 web1 node[2291]: Error: listen EADDRINUSE: address already in use 127.0.0.1:3000
nov 09 10:15:07 web1 systemd[1]: factuurapp.service: Main process exited, code=exited, status=1/FAILURE
nov 09 10:15:07 web1 systemd[1]: factuurapp.service: Failed with result 'exit-code'.
nov 09 10:15:07 web1 systemd[1]: factuurapp.service: Start request repeated too quickly.
nov 09 10:15:07 web1 systemd[1]: factuurapp.service: Failed with result 'exit-code'.
nov 09 10:15:07 web1 systemd[1]: Failed to start factuurapp.service - Factuurapp (Node.js).

anna@web1:~$ sudo ss -tlnp | grep 3000
LISTEN 0 511 127.0.0.1:3000 0.0.0.0:* users:(("node",pid=1187,fd=21))

Vprašanja:
1. Kako se imenuje storitev (enota)?
2. Kolikokrat je bila storitev skupno zagnana (vrstice Started)?
3. S katero izhodno kodo (status) se je program ustavil?
4. Kaj je po prvem sporočilu o napaki vzrok?
   a. Datoteka server.js manjka
   b. Vrata 3000 na 127.0.0.1 že uporablja drug proces
   c. Strežnik ima premalo pomnilnika
   d. Storitev se izvaja kot napačen uporabnik
5. Ob kateri uri (uu:mm:ss) je systemd opustil ponovni zagon?
6. Kateri proces zaseda vrata (pid)?