gitlab修改root密码

在root用户下，执行

[root@localhost gitlab]# sudo gitlab-rails console production
-------------------------------------------------------------------------------------
 GitLab:       11.7. ()
 GitLab Shell: 8.4.
 postgresql:   9.6.
-------------------------------------------------------------------------------------
Loading production environment (Rails 5.0.7.1)

2.获得用户数据，修改用户密码

irb(main)::> u=User.where(id:).first
=> #<User id: @root>
irb(main)::> u.password=
=>
irb(main)::> u.password_confirmation=
=>
irb(main)::> u.save!
Enqueued ActionMailer::DeliveryJob (Job ID: 15c3c8de-e839---d72dbe224756) to Sidekiq(mailers) with arguments: "DeviseMailer", "password_change", "deliver_now", #<GlobalID:0x00007f65d5b944d8 @uri=#<URI::GID gid://gitlab/User/1>>
=> true
irb(main)::> quit

另：gitlab默认用户名密码 root   5ivel!fe