使用Rake task

將user_name改成要變更密碼的user name即可

sudo gitlab-rake "gitlab:password:reset[user_name]"

使用Rails console

1. 開啟rails console

sudo gitlab-rails console

2. 取得user
   1. 透過username

   user = User.find_by_username 'user_name'
   

   2. 透過userID

   user = User.find(uid)
   

   3. 透過email

   user = User.find_by(email: 'user@example.com')
   

3. 重置密碼

new_password = 'my_new_password' 
user.password = new_password 
user.password_confirmation = new_password

4. 儲存修改

user.save!

5. 退出console

exit