GitLab is a popular web-based Git repository management tool that provides a series of version control and collaboration features that can help teams effectively manage code. However, installing GitLab on a local server is usually the best option when you have a good internet connection. However, if your server cannot connect to the Internet, installing GitLab offline becomes a must. This article will introduce how to install GitLab in an offline environment.
First, you need to download the source code from the GitLab official website. You can choose a specific version or download the latest stable version. After downloading, copy the source code package to the local storage of the target machine or a network location with access permissions.
Before starting to install GitLab, you need to confirm whether the corresponding dependencies are installed on the target machine. GitLab requires the following software packages and libraries:
Before using apt-get to install, make sure that the target machine can connect to the ubuntu/Debian official software warehouse, otherwise you can save it to the hard disk externally, and then use Command line installation.
For example: To install the necessary dependencies on an Ubuntu system, you can use the following command:
sudo apt-get update sudo apt-get install -y curl openssh-server ca-certificates tzdata perl
To ensure that GitLab can To work properly, some environment variables need to be configured. These environment variables include:
On Ubuntu systems, you can add these environment variables to the /etc/profile file:
export GITLAB_HOME=/data/gitlab export GITLAB_LOG_DIR=/var/log/gitlab export GITLAB_BACKUP_DIR=/var/opt/gitlab/backups export SIDEKIQ_WORKERS=4 export UNICORN_WORKERS=4
Because GitLab is written in Ruby on Rails, so Ruby needs to be installed. Stable versions of Ruby can be downloaded from the official Ruby website.
curl -L https://get.rvm.io | bash -s stable source ~/.rvm/scripts/rvm rvm install 2.6.5 rvm use 2.6.5 --default
Now, you can start installing GitLab. First, install GitLab by unzipping the GitLab source code package. You can use the following command:
tar zxvf gitlab-x_x_x.tar.gz cd gitlab-x_x_x/
Then, you can run the command to configure and install GitLab:
sudo ./configure --disable-absolute_paths_in_gitlab_yaml --disable-ssh --disable-postgresql --disable-geoip_database --disable-dependency-tracking sudo make install
After installation, you need to GitLab is configured. In the source code of GitLab, there is a file named "gitlab.yml", which contains all the configuration of GitLab.
In an offline environment, you need to do the following steps:
After the configuration is completed, restart GitLab.
Finally, you can set up the SSL certificate for GitLab. Here, you need to develop your own certificate because certificates issued by public Certificate Authority (CA) cannot be used in an offline environment.
Create the self-signed certificate and key using this command:
sudo openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout /etc/gitlab/ssl/gitlab.key -out /etc/gitlab/ssl/gitlab.crt
Add the following 3 lines to the GitLab configuration file:
ssl_certificate /etc/gitlab/ssl/gitlab.crt; ssl_certificate_key /etc/gitlab/ssl/gitlab.key;
Finally, restart GitLab and test the connection.
Conclusion
GitLab is a very useful tool that provides a series of functions for code management, version control and collaboration. If your environment does not have a network connection, then installing GitLab offline becomes a must. In this article, we explain how to install and configure GitLab in an offline environment, which will keep you in control of your code management.
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