三步在CentOS7系統下，完成GitLab的安裝.
1、安裝和配置必須的依賴
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1. sudo yum install curl policycoreutils openssh-server openssh-clients
2. sudo systemctl enable sshd
3. sudo systemctl start sshd
4. sudo yum install postfix
5. sudo systemctl enable postfix
6. sudo systemctl start postfix
7. sudo firewall-cmd –permanent –add-service=http
8. sudo systemctl reload firewalld
2、添加GitLab包服務，然後安裝它
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1. curl -sS https://packages.gitlab.com/install/repositories/gitlab/gitlab-ce/script.rpm.sh | sudo bash
2. sudo yum install gitlab-ce
3、配置和啓動GitLab
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1. sudo gitlab-ctl reconfigure
啓動完成後，在瀏覽器訪問你機器的IP地址，就可以彈出如下的頁面:
然後，修改密碼，註冊用戶，最後登錄進去，彈出如下的歡迎界面：