How to Install Gitea on Ubuntu 18.04

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Gitea is a self-hosted open-source git server written in Go. It is a fork of Gogs
. Gitea includes a repository file editor, project issue tracking, users managements, notifications, built-in wiki, and much more.

Gitea
is a lightweight application and can be installed on low-powered systems. If you are searching for an alternative to Gitlab with a much smaller memory footprint and you don’t need all the bells and whistles that Gitlab
offers, then you should definitely try Gitea.

This tutorial explains how to install and configure Gitea on Ubuntu 18.04. The same instructions apply for Ubuntu 16.04 and any other Debian-based distribution.

Prerequisites #

Gitea supports SQLite, PostgreSQL
, and MySQL
/MariaDB
as database backends.

We’ll use SQLite as the database for Gitea. If SQLite is not installed on your Ubuntu system you can install it by entering the following commands as sudo user
:

sudo apt updatesudo apt install sqlite3

Installing Gitea #

Gitea provides Docker images and can be installed from source, binary, and as a package. We’ll install Gitea from binary.

Install Git #

The first step is to install Git
on your server:

sudo apt updatesudo apt install git

Verify the installation by displaying the Git version:

git --version
git version 2.17.1

Create a Git user #

Create a new system user
which will run the Gitea application by typing:

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

The command will create a new user and group named git, and set the home directory to /home/git. The output will look something like below:

Adding system user `git' (UID 111) ...
Adding new group `git' (GID 116) ...
Adding new user `git' (UID 111) with group `git' ...
Creating home directory `/home/git' ...

Download Gitea binary #

Visit the Gitea Download page
and download the latest binary for your architecture. At the time of writing, the latest version is 1.10.2. If there is a new version available, change the VERSION variable in the command below.

Download the Gitea binary in the /tmp directory using the following wget
command:

VERSION=1.10.2sudo wget -O /tmp/gitea https://dl.gitea.io/gitea/${VERSION}/gitea-${VERSION}-linux-amd64

The gitea binary can run from any location. We’ll follow the convention and move the binary to the /usr/local/bin directory:

sudo mv /tmp/gitea /usr/local/bin

Make the binary executable:

sudo chmod +x /usr/local/bin/gitea

Run the commands below to create the directories and set the required permissions and ownership
:

sudo mkdir -p /var/lib/gitea/{custom,data,indexers,public,log}sudo chown git: /var/lib/gitea/{data,indexers,log}sudo chmod 750 /var/lib/gitea/{data,indexers,log}sudo mkdir /etc/giteasudo chown root:git /etc/giteasudo chmod 770 /etc/gitea

The directory structure above is recommended by the official Gitea documentation.

Create a Systemd Unit File #

Gitea provides a Systemd unit file that is already configured to match our setup.

Download the file to the /etc/systemd/system/ directory by typing:

sudo wget https://raw.githubusercontent.com/go-gitea/gitea/master/contrib/systemd/gitea.service -P /etc/systemd/system/

Once done, enable and start the Gitea service:

sudo systemctl daemon-reloadsudo systemctl enable --now gitea

Verify that the service is started successfully:

sudo systemctl status gitea
● gitea.service - Gitea (Git with a cup of tea)
   Loaded: loaded (/etc/systemd/system/gitea.service; enabled; vendor preset: enabled)
   Active: active (running) since Sat 2020-01-04 21:27:23 UTC; 3s ago
 Main PID: 14804 (gitea)
    Tasks: 9 (limit: 1152)
   CGroup: /system.slice/gitea.service
           └─14804 /usr/local/bin/gitea web --config /etc/gitea/app.ini
...

Configure Gitea #

Now that Gitea is downloaded and running, it is time to finalize the installation through the web interface.

By default, Gitea listens for connections on port 3000 on all network interfaces.

If you have a UFW firewall
running on your server, you’ll need to open the Gitea port:

To allow traffic on port 3000, enter the following command:

sudo ufw allow 3000/tcp

Open your browser, type http://YOUR_DOMAIN_IR_IP:3000, and a screen similar to the following will appear:

Gitea install

Database Settings:

  • Database Type: SQLite3
  • Path: Use an absolute path, /var/lib/gitea/data/gitea.db

Application General Settings:

  • Site Title: Enter your organization name.
  • Repository Root Path: Leave the default /home/git/gitea-repositories.
  • Git LFS Root Path: Leave the default /var/lib/gitea/data/lfs.
  • Run As Username: git
  • SSH Server Domain: Enter your domain or server IP address.
  • SSH Port: 22, change it if SSH is listening on other Port
  • Gitea HTTP Listen Port: 3000
  • Gitea Base URL: Use http and your domain or server IP address.
  • Log Path: Leave the default /var/lib/gitea/log

You can change the settings at any time by editing the Gitea configuration file.

Once done, hit the “Install Gitea” button. The installation is instant. When completed you will be redirected to the login page.

Click on the “Sign up now” link. The first registered user is automatically added to the Admin group.

Change the permissions
of the Gitea configuration file to read-only using:

sudo chmod 750 /etc/giteasudo chmod 640 /etc/gitea/app.ini

That’s it. Gitea has been installed on your Ubuntu machine.

Configuring Nginx as SSL Termination Proxy #

This step is optional, but it is highly recommended. To use Nginx as a reverse proxy
you need to have a domain or subdomain pointing to your server public IP. In this tutorial, we will use git.example.com.

First, install Nginx and generate a free Let’s Encrypt SSL certificate using the guides below:

Once done, open your text editor and edit the domain server block
file:

sudo nano /etc/nginx/sites-enabled/git.example.com

/etc/nginx/sites-enabled/git.example.com

server {
    listen 80;
    server_name git.example.com;

    include snippets/letsencrypt.conf;
    return 301 https://git.example.com$request_uri;
}

server {
    listen 443 ssl http2;
    server_name git.example.com;

    proxy_read_timeout 720s;
    proxy_connect_timeout 720s;
    proxy_send_timeout 720s;

    client_max_body_size 50m;

    # Proxy headers
    proxy_set_header X-Forwarded-Host $host;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $scheme;
    proxy_set_header X-Real-IP $remote_addr;

    # SSL parameters
    ssl_certificate /etc/letsencrypt/live/git.example.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/git.example.com/privkey.pem;
    ssl_trusted_certificate /etc/letsencrypt/live/git.example.com/chain.pem;
    include snippets/letsencrypt.conf;
    include snippets/ssl.conf;

    # log files
    access_log /var/log/nginx/git.example.com.access.log;
    error_log /var/log/nginx/git.example.com.error.log;

    # Handle / requests
    location / {
       proxy_redirect off;
       proxy_pass http://127.0.0.1:3000;
    }
}

Don’t forget to replace git.example.com with your Gitea domain and set the correct path to the SSL certificate files. The HTTP traffic is redirected to HTTPS

Restart the Nginx service
for changes to take effect:

sudo systemctl restart nginx

Next, change the Gitea domain and root url. To do so, open the configuration file and edit the following lines:

sudo nano /etc/gitea/app.ini

/etc/gitea/app.ini

[server]
DOMAIN           = git.example.com
ROOT_URL         = https://git.example.com/

Restart the Gitea service by typing:

sudo systemctl restart gitea

At this point, Gitea proxy is configured, and you can access it at: https://git.example.com

Configuring Email Notifications #

In order for Gitea to be able to send notification emails, you can either install Postfix or use some transactional mail service such as SendGrid, MailChimp, MailGun, or SES.

To enable email notifications, open the configuration file and edit the following lines:

sudo nano /etc/gitea/app.ini

/etc/gitea/app.ini

[mailer]
ENABLED = true
HOST    = SMTP_SERVER:SMTP_PORT
FROM    = SENDER_EMAIL
USER    = SMTP_USER
PASSWD  = YOUR_SMTP_PASSWORD

Make sure you put the correct SMTP server information.

Restart the Gitea service for changes to take effect:

sudo systemctl restart gitea

To verify the settings and send a test email, log in to Gitea, and go to: Site Administration > Configuration > SMTP Mailer Configuration.

Gitea also allows you to connect to Slack by creating a web webhook
and send notifications to your Slack channels
.

Upgrading Gitea #

To upgrade to the latest Gitea version, simply download and replace the binary.

  1. Stop the Gitea service:

    sudo systemctl stop gitea
  2. Download the latest Gitea version and move it to the /usr/local/bin directory:

    VERSION=<THE_LATEST_GITEA_VERSION>wget -O /tmp/gitea https://dl.gitea.io/gitea/${VERSION}/gitea-${VERSION}-linux-amd64sudo mv /tmp/gitea /usr/local/bin
  3. Make the binary executable:

    sudo chmod +x /usr/local/bin/gitea
  4. Restart the Gitea service:

    sudo systemctl restart gitea

That’s it.

Conclusion #

This tutorial walked you through the installation of Gitea on Ubuntu 18.04.

You should now visit the Gitea documentation page
and learn how to configure your Gitea instance and create your first project.

If you have questions, feel free to leave a comment below.

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