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Frequently Asked Questions

How can I report a bug, suggest a feature or send a patch?

Just drop an email to <gmid [at] omarpolo [dot] com> or open an issue/pull request on Codeberg or Github.

When reporting a bug please include the relevant information to reproduce the issue you're facing: your configuration file, the gmid version, and your operating system or distro at least.

How can I define the right MIME types for my files?

gmid, like many other servers, uses a list of known file extensions to decide what MIME type use. A few of them are built-in for convenience but it's quite easy to add custom ones:

types {
	application/postscript	ps eps ai
	application/rss+xml	rss

	# it's also possible to just include a file here
	include "/usr/share/misc/mime.types"

How to run CGI scripts?

As of gmid 2.0, to run CGI scripts an external program like fcgiwrap or slowcgi are needed.

From the gmid side, one `fastcgi' block needs to be defined with the `socket' pointing at the fcgiwrap or slowcgi socket inside the chroot. The `SCRIPT_NAME' parameter pointing to the script path is often needed since gmid is unable to deduce the right path otherwise.

server "example.com" {
	listen on *
	cert "/path/to/cert"
	key "/path/to/key"

	location "/cgi-bin/hello" {
		fastcgi {
			socket "/run/slowcgi.sock"
			param SCRIPT_NAME = "/cgi-bin/hello"

Then, fcgiwrap or slowcgi need to be started as well.

How to automatically renew the certificates?

It depends on how the certificate were obtained. For example, if acme-client or certbot are used they provide their own mechanism to renew the certs and restart daemons.

In case of a self-signed certificate, contrib/renew-certs could help. It's meant to be scheduled periodically with cron(8) and automatically generate a new key and certificate when one is about to expire and restarts gmid.