[tor-bugs] #33483 [Internal Services/Tor Sysadmin Team]: Why did ZNC go down? How to prevent in future?

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#33483: Why did ZNC go down? How to prevent in future?
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 Reporter:  pastly                               |          Owner:  tpa
     Type:  defect                               |         Status:
                                                 |  needs_revision
 Priority:  Medium                               |      Milestone:
Component:  Internal Services/Tor Sysadmin Team  |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:                                       |  Actual Points:
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
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Comment (by pastly):

 I've made the change:

 {{{
 ircbouncer at chives:~$ cat .config/systemd/user/znc.service
 [Unit]
 Description=ZNC IRC bouncer service

 [Service]
 Type=simple
 ExecStart=/usr/bin/znc --foreground

 [Install]
 #WantedBy=multi-user.target
 WantedBy=default.target
 }}}

 I also disable/enabled ZNC because it seemed like the right thing to do.
 You said `multi-user.target` is the wrong thing to do, I noticed the
 directory existed, and I suspected doing this would symlink to
 `znc.service` from a different place. It did.

 {{{
 ircbouncer at chives:~$ systemctl --user disable znc
 Removed /home/ircbouncer/.config/systemd/user/multi-
 user.target.wants/znc.service.
 ircbouncer at chives:~$ systemctl --user enable znc
 Created symlink
 /home/ircbouncer/.config/systemd/user/default.target.wants/znc.service →
 /home/ircbouncer/.config/systemd/user/znc.service.
 ircbouncer at chives:~$ ls -al .config/systemd/user/
 total 16
 drwxr-xr-x 3 ircbouncer ircbouncer 4096 Mar  4 00:42 .
 drwxr-xr-x 3 ircbouncer ircbouncer 4096 Nov 20 15:13 ..
 drwxr-xr-x 2 ircbouncer ircbouncer 4096 Mar  4 00:42 default.target.wants
 -rw-r--r-- 1 ircbouncer ircbouncer  165 Mar  4 00:41 znc.service
 }}}


 So ... now we wait for the server to be rebooted again and see if it comes
 back? :p

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/33483#comment:2>
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