In recent years, GitLab, as an open source Git library management tool, has received more and more attention and use. Compared to GitHub, GitLab offers more freedom to meet the needs of professional developers. As a Linux operating system, RedHat also has an irreplaceable position in the minds of many developers. Today we will introduce how to install GitLab in a RedHat environment.
- Installation dependencies
First you need to install some necessary tools and libraries, such as curl, policycoreutils-python, etc.:
sudo yum install curl policycoreutils-python openssh-server sudo systemctl enable sshd sudo systemctl start sshd sudo firewall-cmd --permanent --add-service=http sudo systemctl restart firewalld
- Install email Server
In order to send emails to users, you need to install a mail server:
sudo yum install postfix sudo systemctl enable postfix sudo systemctl start postfix
- Install GitLab
Add the GitLab repository through the following commands and Update:
curl https://packages.gitlab.com/install/repositories/gitlab/gitlab-ee/script.rpm.sh | sudo bash sudo yum install gitlab-ee
- Configuring GitLab
After the installation is complete, some basic configuration is required. First you need to modify /etc/gitlab/gitlab.rb
. You can modify it through the editor or command line, and choose the appropriate method according to the environment:
sudo nano /etc/gitlab/gitlab.rb 或者 sudo sed -i 's/external_url 'http:\/\/gitlab.example.com'/external_url 'http:\/\/yourdomain.com'/g' /etc/gitlab/gitlab.rb
Change external_url
to your own GitLab address.
Next, you need to reconfigure and start GitLab:
sudo gitlab-ctl reconfigure sudo gitlab-ctl start
It may take some time during the reconfiguration, please be patient.
- Log in to GitLab
After installing and starting GitLab, you need to log in on the browser. Enter the external address you configured http://yourdomain.com
in the browser, and you will see the GitLab login interface. When entering for the first time, you need to set up an administrator account and password. After setting up, you can log in and start using GitLab.
- Problems encountered
There are some common problems to pay attention to during the installation process:
Q1: Stuck at 'Running handlers' during the installation process
This is caused by the server space being too small and can be optimized before installation.
Q2: Unable to access the GitLab server
You can use the curl command to check whether the GitLab service is running, or you can check whether the Linux firewall blocks access to the GitLab service. You can use the following command to solve the problem:
sudo firewall-cmd --zone=public --permanent --add-port=80/tcp sudo firewall-cmd --zone=public --permanent --add-port=22/tcp sudo firewall-cmd --reload
Q3: GitLab process crashes
Because the GitLab process runs for too long, it may crash due to too many processes. You can use the following command to restart GitLab:
sudo gitlab-ctl restart
In this article, we introduce the process of installing GitLab in a Red Hat environment and list solutions to common problems. Using GitLab can effectively manage code, team members can collaborate better, and improve software development efficiency. Through the introduction of this article, I hope that everyone can better use GitLab to carry out work.
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Git and GitHub are not the same thing: Git is a distributed version control system, and GitHub is an online platform based on Git. Git helps developers manage code versions and achieve collaboration through branching, merge and other functions; GitHub provides code hosting, review, problem management and social interaction functions, enhancing Git's collaboration capabilities.

After installing Git, in order to use more efficiently, the following settings are required: Set user information (name and mailbox) Select text editor Set external merge tool Generate SSH key settings Ignore file mode

Resolve: When Git download speed is slow, you can take the following steps: Check the network connection and try to switch the connection method. Optimize Git configuration: Increase the POST buffer size (git config --global http.postBuffer 524288000), and reduce the low-speed limit (git config --global http.lowSpeedLimit 1000). Use a Git proxy (such as git-proxy or git-lfs-proxy). Try using a different Git client (such as Sourcetree or Github Desktop). Check for fire protection

Causes of slow Git downloads include poor network connections, Git server problems, large files or large submissions, Git configuration issues, insufficient computer resources, and other factors such as malware. Workarounds include improving network connectivity, adjusting firewall settings, avoiding downloading unnecessary files or submissions, optimizing Git configuration, providing adequate computer resources, and scanning and removing malware.

How to update local Git code? Use git fetch to pull the latest changes from the remote repository. Merge remote changes to the local branch using git merge origin/<remote branch name>. Resolve conflicts arising from mergers. Use git commit -m "Merge branch <Remote branch name>" to submit merge changes and apply updates.

Steps to update git code: Check out code: git clone https://github.com/username/repo.git Get the latest changes: git fetch merge changes: git merge origin/master push changes (optional): git push origin master

You can delete a Git branch through the following steps: 1. Delete the local branch: Use the git branch -d <branch-name> command; 2. Delete the remote branch: Use the git push <remote-name> --delete <branch-name> command; 3. Protected branch: Use git config branch. <branch-name>.protected true to add the protection branch settings.

Git code merge process: Pull the latest changes to avoid conflicts. Switch to the branch you want to merge. Initiate a merge, specifying the branch to merge. Resolve merge conflicts (if any). Staging and commit merge, providing commit message.


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