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Selfhosting Sunday! What's up? (lemmy.nocturnal.garden)

submitted 3 days ago by tofu@lemmy.nocturnal.garden to c/selfhosted@lemmy.world

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What's happening on your servers? Any interesting news things you tried?

I didn't do anyone other than updating Mastodon (native deployment) lately due to a lack of time. Reading so much about Immich caused me to consider trying it in parallel to Nextcloud but I'm not sure if I want to have everything twice.

Not quite homelab, but I'm about to install Linux Mint on my mom's laptop and that had me thinking about creating an off-site backup in her place again since she has a fiber connection. I'm still not sure about the potential design though, but currently my only backup is in the same rack as the live stuff.

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[–] tofu@lemmy.nocturnal.garden 1 points 3 days ago (1 children)

Interesting using systemd for that, I'd probably have chosen containers for that.

What's the reason for replication vs. dumps? Does the client failover to the replica?

[–] tburkhol@lemmy.world 3 points 3 days ago

I'm not a systemd guru, but it turned out pretty easy. https://dev.mysql.com/doc/refman/5.7/en/using-systemd.html#systemd-multiple-mysql-instances Basically just make [mysqld@copy] sections in my.cnf then systemd start mysqld@copy and systemd is smart enough to pass copy into mysql.

I did it slightly different, using systemctl edit mysql@.service to define different default files for each instance, then [mysqld@copy] sections in each of those files. Seems like the port option for each has to go in a [mysqld] section, but otherwise ok.

Replication because I want to put some live data, read-only, on the VPS, exposed to the world while the 'real' database stays safely hidden in my intranet. SSH tunnel so the replica can talk to the real database.