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gitlabhq/doc/install/installation.md
Riyad Preukschas 2b79706d6d Fix spelling and wording in installation.md
2012-12-10 01:08:34 +01:00

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This installation guide was created for Debian/Ubuntu and tested on it.

Please read doc/install/requirements.md for hardware and platform requirements.

Important Note: The following steps have been known to work. If you deviate from this guide, do it with caution and make sure you don't violate any assumptions GitLab makes about its environment. For things like AWS installation scripts, init scripts or config files for alternative web server have a look at the "Advanced Setup Tips" section.

Important Note: If you find a bug/error in this guide please submit an issue or pull request following the contribution guide (see CONTRIBUTING.md).

Overview

The GitLab installation consists of setting up th following components:

  1. Packages / Dependencies
  2. Ruby
  3. System Users
  4. Gitolite
  5. Database
  6. GitLab
  7. Nginx

1. Packages / Dependencies

Keep in mind that sudo is not installed on Debian by default. You should install it as root:

apt-get update && apt-get upgrade && apt-get install sudo

Make sure your system is up-to-date:

sudo apt-get update
sudo apt-get upgrade

Install the required packages:

sudo apt-get install -y wget curl build-essential checkinstall libxml2-dev libxslt-dev libcurl4-openssl-dev libreadline6-dev libc6-dev libssl-dev zlib1g-dev libicu-dev redis-server openssh-server git-core libyaml-dev postfix

Make sure you have the right version of Python installed.

# Install Python
sudo apt-get install python

# Make sure that Python is 2.x (3.x is not supported at the moment)
python --version

# If it's Python 3 you might need to install Python 2 separately
sudo apt-get install python2.7

# Make sure you can access Python via python2
python2 --version

# If you get a "command not found" error create a link to the python binary
sudo ln -s /usr/bin/python /usr/bin/python2

2. Ruby

wget http://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.3-p327.tar.gz
tar xfvz ruby-1.9.3-p327.tar.gz
cd ruby-1.9.3-p327
./configure
make
sudo make install

3. System Users

Create a user for Git and Gitolite:

sudo adduser \
  --system \
  --shell /bin/sh \
  --gecos 'Git Version Control' \
  --group \
  --disabled-password \
  --home /home/git \
  git

Create a user for GitLab:

sudo adduser --disabled-login --gecos 'GitLab' gitlab

# Add it to the git group
sudo usermod -a -G git gitlab

# Generate the SSH key
sudo -u gitlab -H ssh-keygen -q -N '' -t rsa -f /home/gitlab/.ssh/id_rsa

4. Gitolite

Clone GitLab's fork of the Gitolite source code:

sudo -u git -H git clone -b gl-v304 https://github.com/gitlabhq/gitolite.git /home/git/gitolite

Setup Gitolite with GitLab as its admin:

Important Note: GitLab assumes full and unshared control over this Gitolite installation.

# Add Gitolite scripts to $PATH
cd /home/git
sudo -u git -H mkdir bin
sudo -u git -H sh -c 'echo -e "PATH=\$PATH:/home/git/bin\nexport PATH" >> /home/git/.profile'
sudo -u git -H sh -c 'gitolite/install -ln /home/git/bin'

# Copy the gitlab user's (public) SSH key ...
sudo cp /home/gitlab/.ssh/id_rsa.pub /home/git/gitlab.pub
sudo chmod 0444 /home/git/gitlab.pub

# ... and use it as the Gitolite admin key for setup
sudo -u git -H sh -c "PATH=/home/git/bin:$PATH; gitolite setup -pk /home/git/gitlab.pub"

Fix the directory permissions for the repository:

# Make sure the repositories dir is owned by git and it stays that way
sudo chmod -R ug+rwXs /home/git/repositories/
sudo chown -R git:git /home/git/repositories/

Test if everything works so far

# Clone the admin repo so SSH adds localhost to known_hosts ...
# ... and to be sure your users have access to Gitolite
sudo -u gitlab -H git clone git@localhost:gitolite-admin.git /tmp/gitolite-admin

# If it succeeded without errors you can remove the cloned repo
sudo rm -rf /tmp/gitolite-admin

Important Note: If you can't clone the gitolite-admin repository: DO NOT PROCEED WITH INSTALLATION! Check the Trouble Shooting Guide and make sure you have followed all of the above steps carefully.

5. Database

See doc/install/databases.md

6. GitLab

# We'll install GitLab into home directory of the user "gitlab"
cd /home/gitlab

Clone the Source

# Clone the latest stable release
sudo -u gitlab -H git clone -b stable https://github.com/gitlabhq/gitlabhq.git gitlab

Note: You can change stable to master if you want the bleeding edge version, but do so with caution!

Configure it

cd /home/gitlab/gitlab

# Copy the example GitLab config
sudo -u gitlab -H cp config/gitlab.yml.example config/gitlab.yml

# Make sure to change "localhost" to the fully-qualified domain name of your
# host serving GitLab where necessary
sudo -u gitlab -H vim config/gitlab.yml

# Copy the example Unicorn config
sudo -u gitlab -H cp config/unicorn.rb.example config/unicorn.rb

Important Note: Make sure to edit both files to match your setup.

Install Gems

cd /home/gitlab/gitlab

sudo gem install charlock_holmes --version '0.6.9'
sudo gem install bundler
sudo -u gitlab -H bundle install --deployment --without development test

Configure Git

GitLab needs to be able to commit and push changes to Gitolite. In order to do that Git requires a username and email. (We recommend using the same address used for the email.from setting in config/gitlab.yml)

sudo -u gitlab -H git config --global user.name "GitLab"
sudo -u gitlab -H git config --global user.email "gitlab@localhost"

Setup GitLab hooks

sudo cp ./lib/hooks/post-receive /home/git/.gitolite/hooks/common/post-receive
sudo chown git:git /home/git/.gitolite/hooks/common/post-receive

Initialise Database and Activate Advanced Features

sudo -u gitlab -H bundle exec rake gitlab:app:setup RAILS_ENV=production

Check Application Status

Check if GitLab and its environment is configured correctly:

sudo -u gitlab -H bundle exec rake gitlab:env:info RAILS_ENV=production

To make sure you didn't miss anything run a more thorough check with:

sudo -u gitlab -H bundle exec rake gitlab:app:status RAILS_ENV=production

If you are all green: congratulations, you successfully installed GitLab! Although this is the case, there are still a few steps to go.

Install Init Script

Download the init script (will be /etc/init.d/gitlab):

sudo wget https://raw.github.com/gitlabhq/gitlab-recipes/master/init.d/gitlab -P /etc/init.d/
sudo chmod +x /etc/init.d/gitlab

Make GitLab start on boot:

sudo update-rc.d gitlab defaults 21

Start your GitLab instance:

sudo service gitlab start

7. Nginx

Note: If you can't or don't want to use Nginx as your web server, have a look at the "Advanced Setup Tips" section.

Installation

sudo apt-get install nginx

Site Configuration

Download an example site config:

sudo wget https://raw.github.com/gitlabhq/gitlab-recipes/master/nginx/gitlab -P /etc/nginx/sites-available/
sudo ln -s /etc/nginx/sites-available/gitlab /etc/nginx/sites-enabled/gitlab

Make sure to edit the config file to match your setup:

# Change **YOUR_SERVER_IP** and **YOUR_SERVER_FQDN**
# to the IP address and fully-qualified domain name
# of your host serving GitLab
sudo vim /etc/nginx/sites-enabled/gitlab

Restart

sudo /etc/init.d/nginx restart

Done!

Visit YOUR_SERVER for your first GitLab login. The setup has created an admin account for you. You can use it to log in:

admin@local.host
5iveL!fe

Important Note: Please go over to your profile page and immediately chage the password, so nobody can access your GitLab by using this login information later on.

Enjoy!

Advanced Setup Tips

Custom Redis Connection

If you'd like Resque to connect to a Redis server on a non-standard port or on a different host, you can configure its connection string via the config/resque.yml file.

# example
production: redis.example.tld:6379

User-contributed Configurations

You can find things like AWS installation scripts, init scripts or config files for alternative web server in our recipes collection.