GIT：gitlab备份、恢复

查看 GitLab 版本号

cat /opt/gitlab/embedded/service/gitlab-rails/VERSION

版本下载（centOS 7，gitlab-ce）

https://mirrors.tuna.tsinghua.edu.cn/gitlab-ce/yum/el7/

备份与恢复

中文参考：
http://www.ttlsa.com/linux/gitlab-backup-restore/
https://blog.csdn.net/ttt111zzz/article/details/73289267
https://blog.csdn.net/shennongminblog/article/details/76158419
https://blog.csdn.net/x6_9x/article/details/64929868

gitlab英文官网：
https://docs.gitlab.com/ce/raketasks/backup_restore.html