Trying to set Headscale up in a Debian VPS.
When I do
$ sudo headscale serve
I get the following error
failed to bind to TCP address: listen TCP 127.0.0.1:8080: bind: address already in use
Bit of a noob with crowdsec but I think its doing something that obstructs Headscale. If I stop crowdsec and do ‘headscale serve’ it seems to run without an issue.
I’m setting it up so that headscale listens on my domain using Caddy. This is the caddyfile:
sub.domain.com {
reverse_proxy localhost:8080
tls [email protected]
}
Any ideas?
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generally, use “netstat -lpn | grep 8080” (or whatever port number) to find out what process is already listening on that port. This kind of thing happens all the time.
netstat -lpn | grep 8080That’s a bit cleaner than
sudo lsof -i :8080. It always amazes me tho, how many different commands/ways there are in Linux to get to the same spot.
8080 is a common default port number so make sure to always check those when deploying something new
I don’t run Headscale but it appears that there is a conflict.
Who is using port 8080:
sudo lsof -i :8080Have you tried either changing Crowdsec’s port or Headscale’s port?
Change Headscale port:
/etc/headscale/config.yamlheadscale: listen_addr: 127.0.0.1:8081sudo headscale serveThanks! Yep both using 8080. Didn’t occur to me to check that. Doh!
No worries mate.
deleted by creator
Is it perhaps because the address is already in use?
Just change the port Headscale is running on.
You also don’t want a reverse proxy out in front of Headscale. It doesn’t serve a purpose, and does nothing but introduce added complexity and performance degradation.
Just make an A record in your DNS that points to ‘vpn.whatever.com’ if you just want to treat it as a named host.
