GitLab on CentOS – server certificate verification failed

If you followed this recipe to install GitLab on CentOS, you may have some problems

Actually the recommended shell for git user is /sbin/nologin but that didn’t work for me. I had to set /bin/bash as shell with

# usermod -s /bin/bash git

Also, if you find some problems with update hook (enabled by default), try this

# mv update update.sample1

(Rename update to update.sample1 will disable update hook)

The biggest problem I had was the certificate. Here and there you’ll find the “solution” (“git config http.sslVerify false” or “export GIT_SSL_NO_VERIFY=1”) which I don’t recommend.

git clone https://git.MYDOMAIN.com/root/MYPROJECT.git
Cloning into 'MYPROJECT'...
error: server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none while accessing https://git.MYDOMAIN.com/root/MYPROJECT.git/info/refs?service=git-upload-pack
fatal: HTTP request failed

Since I’m using self signed certificate, the clone process failed. To solve this problem you should add server crt into /etc/ssl/certs/ca-certificates.crt on your host.

As root:

cd /usr/share/ca-certificates/
mkdir git.MYDOMAIN.com
cd git.MYDOMAIN.com
scp git.MYDOMAIN.com:/path/to/cert.crt .
vi /etc/ca-certificates.conf

Add “git.MYDOMAIN.com/cert.crt” into ca-certificate.conf, save file and execute

update-ca-certificates

You should get something like

Updating certificates in /etc/ssl/certs... 1 added, 0 removed; done.
Running hooks in /etc/ca-certificates/update.d....
Adding debian:git.MYDOMAIN.com.pem
done.
done.

Try to clone project again:

git clone https://git.MYDOMAIN.com/root/MYPROJECT.git
Cloning into 'MYPROJECT'...
Username for 'https://git.MYDOMAIN.com': MYEMAIL@DOMAIN.TLD
Password for 'https://MYEMAIL@DOMAIN.TLD@git.MYDOMAIN.com': 
remote: Counting objects: 12, done.
remote: Compressing objects: 100% (6/6), done.
remote: Total 12 (delta 1), reused 0 (delta 0)
Unpacking objects: 100% (12/12), done.

It works… 🙂

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