I recently got my own VPS, and decided to start using it as a Git server. It’s a Linux server running Centos 6. This tutorial assumes some knowledge of basic Linux commands.

As root or a user with sudo permissions, first thing is to install the dependencies Git will need:
$ yum -y install zlib-devel openssl-devel cpio expat-devel gettext-devel

Then change directories ready to wget Git:
$ cd /usr/local/src

Download Git:
$ wget http://git-core.googlecode.com/files/git-1.7.9.tar.gz

Untar it and change directory:
$ tar xvzf git-1.7.9.tar.gz
$ cd git-1.7.9

Configure a make file, then install Git:
$ ./configure
$ make
$ make install

That’s it, Git is installed!
Next you will need to add a user called git, and give them a password:
$ adduser git
$ passwd git

Now switch to your local machine and check if you have a public SSH key:
$ ls ~/.ssh/id_rsa.pub

If you don’t, run
$ ssh-keygen
to generate a public/private key pair. Then copy it to the git users home directory on your server:
$ scp ~/.ssh/id_rsa.pub git@yourservername.com:

Connect to your server via ssh again, and copy the key to the Git users authorised keys:
$ cd /home/git/
$ mkdir -p .ssh
$ cat id_rsa.pub >> .ssh/authorized_keys

The restrict the permissions for .ssh and it’s contents:

$ chmod 700 .ssh
$ chmod 400 .ssh/authorized_keys

Passwordless SSH is now setup. You should be able to connect from your local machine like this:
$ ssh git@[your server name]

Once connected as the git user, you can setup your first Git repo:
$ mkdir testproject.git
$ cd testproject.git
$ git init --bare

‘Bare’ means that the repo will be initialised in the current directory, rather than making a new one.

Next go back to your local environment and go into the directory of the repo you want to push to your remote server. Add the remote location, and push:
$ git remote add origin git@[yourserver]:testproject.git
$ git status
$ git add .
$ git commit -m "initial commit"
$ git push origin master

That’s it! I did all of the above following these 2 tutorials:
Setting up Git on Centos
Running a simple git server using SSH

Comments welcome for anything I’ve missed/overlooked.

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