新的服务器账号加入git代码的方法：

1,ssh-keygen -t rsa
2,cat .ssh/id_rsa.pub
 ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCopceE9x0Qn0eQyqQkeSb2fOxA2zCm3tZGtlL9bEOUWuYQd27JQMAkmesI+1BZNZAXThmX82OLKw8mexCIcI+o+jZZBcj6dbcw6xnSIFyqtYvFV4GQ+0NkfxcFvZ6fQaL0e03X5gbWqLYdmVm+T6OnxV+aM1xhIQFVcEBUi15hucnA7nNi9KmAv2z7hZIPBtWb11hFezwPOaBc3Ef2Qf6gnvPARjNoI55R7KqyJzBqpohf1umMzSgqOaw23zP93DBBkfxSwVZQbZnbEz4H8bRnBRH9G/KHIx/8MKsLwzUgY6xn4DpXBHQ8pkSsALstfaAMgoQGQOn6t+lsapbGdOq/
 Pigjune@Pigjune59
3,add to gerrit site
4,git config --global user.name "xxx"  
  git config --global user.email "xxx"

5，接下来执行相应的repo init ,repo sync即可。

错误相关处理，ubuntu16.04
加入代码碰到如下错误：
  Unable to negotiate with 192.168.1.128 port 1943128: no matching key exchange method found. Their offer: diffie-hellman-group1-sha1
  fatal: Could not read from remote repository.
  Please make sure you have the correct access rights
  and the repository exists.

  解决方法：
  (1)sudo vi /etc/ssh/ssh_config 
  (2)add 最底下加入：
     Host *
     KexAlgorithms +diffie-hellman-group1-sha1