1y ago

Me, trying to step into the world of linux

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Here's how to mount an nfs share:
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#cat /etc/systemd/system/mnt.data.mount [Unit] Description=nfs mount script [Mount] What=192.168.0.30:/mnt/tank/Media Where=/mnt/data Type=nfs4 [Install] WantedBy=remote-fs.target
- I’ve always mounted network shares in fstab, what’s the benefit to doing it with systemd?
  (Also, for those of you learning, this method only works on systemd-based distros)
  
  you can stop and start it via systemctl and systemd is going to make mounts for fstab entries automatically, I just put local drives in my fstab so that way I can copy mount files between machines
  
  With these systemd mount files I don't need to touch the fstab, I can use ansible to copy the file, enable the service then start it. I can also have other services like Docker, Jellyfin or whatever to depend on that service. If the nfs share can't be mounted then systemd won't try to start docker.
  
  Systemd can retry mounting based on the restart policy in case you have an interruption.
- Yeap! You can even make an automount unit too! That way it’s mounted on demand! Makes life sooo much easier. I even do it for my external drives I use for backups
- Kinda interested now, why would you use systemd script for this instead of fstab ?
  
  So you can easily start and stop it as a service and you get your logging easily accessible via journalctl as a unit. But practically speaking there's not much difference.
  
  With these systemd mount files I don't need to touch the fstab, I can use ansible to copy the file, enable the service then start it. I can also have other services like Docker, Jellyfin or whatever to depend on that service. If the nfs share can't be mounted then systemd won't try to start docker.
  
  Oh that's actually really good reason with docker containers that rely on the NFS share. Thanks, I'm gonna steal this
- An now explain how to setup Kerberos
  
  No idea, I don't use Kerberos.
  
  undefined
  
  What=Kerberos Where=pam
  
  Oh that's easy! I have this friendly multi-page PDF that assumes you have an active directory domain already (god rest your soul if you're raw dogging kerberos and ldap raw) that walks you through the instructions step by step and...
  mount.nfs4: access denied by server
- Meanwhile I found a solution using fstab.
  What's the advantage of using a systemd script?
  I'll probably switch to simple script, since I don't like the idea of my laptop shouting my NAS access credentials into any available random network on startup.
  
  How would you do this with fstab? (Working with an smb share which I'm assuming is standard)
  
  I described what I did here.
  
  You may want to consider adding nofail and x-systemd.device-timeout opinions on the mount as well if the NFS isn't critical to the device booting, and speed up your boot process a bit.
  
  That sounds useful, thank you very much.

47 comments