How to install GitLab on Ubuntu 16.04

GitLab is an open source app that mostly is used in order to host Git ¬†repositories. It also give your additional features¬†such as issue tracking. It is developed to use your own infrastructure, it’s flexible to deploy as an internal repository store for your dev team. The Gitlab project makes the procedure of installing Gitlab pretty much straight forward. Here you will see how can you install it in an Ubuntu 16.04 server, step by step.

 

how-to-install-gitlab-in-ubuntu

 

How to install Gitlab on Ubuntu 16.04, a step-by-step guide:

First things first, you’re going to need the following:

1)Ubuntu 16.04 server

2)At least 2 cores of CPU

3) At least 2GB of Ram

 

 

How to install the Dependencies

Since Ubuntu’s default package provides us with all the software we require from its depositories we’re ready to install dependencies:

 

$sudo apt-get update

$sudo apt-get install ca-certificates curl openssh-server postfix

For the “postfix” installation, select “Internet Site”.

 

 

 

How to install GitLab

Since you successfuly installed the dependencies, now you can install GitLab.  First move into the /tmp directory, and download the following:

 

$cd /tmp

$curl -LO https://packages.gitlab.com/install/repositories/gitlab/gitlab-ce/script.deb.sh



Here you can find a hosted version of the script

$less /tmp/script.deb.sh



Then, run the installer

$sudo bash /tmp/script.deb.sh


 

 

After the installation is complete, then the actual GitLab application is ready to be installed with “apt:”

$sudo apt-get install gitlab-ce


You can’t use the application yet, because yo need to run also an initial configuration command:

$sudo gitlab-ctl reconfigure

 

 

How to adjust the Firewall rules

This is needed to be done before you access GitLab for first time.

 

See current status of your firewall:

$sudo ufw status

 

Output

Status: active

To                         Action      From
--                         ------      ----
OpenSSH                    ALLOW       Anywhere                  
OpenSSH (v6)               ALLOW       Anywhere (v6)

 

So here, you can see that SSH traffic is allowed but there are some restrictions to other services. You need to allow HTTP access in because GitLab happens to be a web application. The protocol to port mapping for HTTP can be found in the /etc/services file. If you have not enabled OpenSSH traffic already then your should do that by typing:

$sudo ufw allow http
$sudo ufw allow OpenSSH

 

Check ufw status command once more to see if access is given to at least these 2 services:

$sudo ufw status
Output
Status: active

To                         Action      From
--                         ------      ----
OpenSSH                    ALLOW       Anywhere                  
80                         ALLOW       Anywhere                  
OpenSSH (v6)               ALLOW       Anywhere (v6)             
80 (v6)                    ALLOW       Anywhere (v6)

 

 

If everything is done correctly now you can access GitLabs web interface.

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