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A place to share alternatives to popular online services that can be self-hosted without giving up privacy or locking you into a service you don't control.

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I'm new to self hosting. How do I monitor security? (lemmy.world)

submitted 5 months ago by [email protected] to c/[email protected]

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I'm not great with Docker or networking, so when I picked up an n100 mini pc for self hosting I installed Ubuntu and Tipi to get started.

I used Tipi to install Immich and forwarded my ports, then setup cloudflare tunneling to expose it to the internet. Currently I'm migrating from Google Photos.

But since I'm new to this I'm worried about exposing Immich to the internet without really knowing what I'm doing. Any suggestions on ways to monitor my setup to make sure nothing goes wrong or gets hacked? Ideally any application suggestions would come from the Tipi app store but I'm willing to learn if there's no other option. Thanks!

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[–] [email protected] 10 points 5 months ago (1 children)

trough ssh when you connect to your machine run :

lastb -10

This will show you the last 10 login failed attemps you can change to 20 or whatever

you can also run: last -10 to see the last successful logged in

use :

more history

to see all the commands that someone have typed

on the dir /var/logs you have a lot of another logs too

for more paranoid level use

netstat -a

This will show you all incoming and outgoing communications

and like the others said considere using firewall and fail2ban

Note: don't relly to much on firewalls since they are easy to bypass

keep all softwares updated

read frequently about new vulnerabilities if there is some vulnerability that affects your software until gets patched turn of that service.

[–] [email protected] 1 points 5 months ago

Thank you!