安装git

wget --content-disposition https://packages.gitlab.com/gitlab/gitlab-ce/packages/scientific/6/gitlab-ce-11.7.5-ce.0.el6.x86_64.rpm/download.rpm

rpm -ivh gitlab-ce-11.7.5-ce.0.el6.x86_64.rpm

1.迁移新gitlab应该与旧版本一致

版本

[root@nexus gitlab]# cat /opt/gitlab/embedded/service/gitlab-rails/VERSION

12.3.5

2.完整备份旧服务器数据

/opt/gitlab/bin/gitlab-rake gitlab:backup:create

完成备份

[root@gtitlab backups]# ll

total 15674184

-rw------- 1 git git 3998894080 Apr 20 18:25 1618914320_2021_04_20_11.7.5_gitlab_backup.tar

-rw------- 1 git git 3999989760 May  6 17:35 1620293695_2021_05_06_11.7.5_gitlab_backup.tar

-rw------- 1 git git 4025702400 May  6 18:14 1620296044_2021_05_06_11.7.5_gitlab_backup.tar

-rw------- 1 git git 4025774080 May  6 18:23 1620296584_2021_05_06_11.7.5_gitlab_backup.tar

[root@gtitlab backups]#

还原备份数据到新主机gitlab

[root@nexus gitlab]# gitlab-rake gitlab:backup:restore BACKUP=1620296584_2021_05_06_11.7.5

[root@nexus gitlab]# pwd

/var/opt/gitlab

[root@nexus gitlab]#

启动   等待启动完成 访问

gitlab-ctl start

gitlab-ctl status

gitlab-ctl stop

http://ip:port/users/sign_in

ip 和port 在 gitlab里nginx中的配置文件 

路径：cat /var/opt/gitlab/nginx/conf/gitlab-http.conf，可以自定义编写。