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How would you resolve this issue: Your server's internet randomly becomes inaccessible until reboot. (Ubuntu 22.04, Netplan) (forum.stellarcastle.net)

submitted 3 years ago* (last edited 3 years ago) by Dax87@forum.stellarcastle.net to c/selfhosted@lemmy.world

22 comments fedilink hide all child comments

I've been having this issue very sporadically (sometimes a couple times a week, sometimes once a month). I'm curious as to how the more veteran folk here would try and narrow down the cause of this issue.

I can provide more info if needed!

Edit: More Info:

Using a static IP (no DHCP) through Netplan.

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[–] Dax87@forum.stellarcastle.net 0 points 3 years ago (1 children)

Thanks for the suggestion. So I have the static IP assigned with DHCP disabled both through Netplan, not through the router.

I'll remember to check the Netplann (?) journal/logs around that time, or are you referring to dmesg?

[–] hillbicks@feddit.de 0 points 3 years ago (1 children)

Since you're not really sure what the issue is, check all the logfiles around the time the problem starts. maybe you'll see a service stopping or starting.

[–] Dax87@forum.stellarcastle.net 0 points 3 years ago (1 children)

Thank you I'll do that! It's hard to catch exactly when it happens. I think I need to get some monitoring and alert services up and running

[–] Atemu@lemmy.ml 0 points 3 years ago (1 children)

You don't need to catch that moment live, it was already recorded.

Take a look at journalctl -b -1 (previous boot).

[–] Dax87@forum.stellarcastle.net 2 points 3 years ago

Thank you for this sweet tip! I'll definitely be using this.