linux中遇到的问题以及解决方案

文章目录

1. WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!
2. vim不显示行号
3. WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!
   thanlon@vivobook:~$ ssh [email protected]/>@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
   @ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @br/>@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
   IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!
   Someone could be eavesdropping on you right now (man-in-the-middle attack)!
   It is also possible that a host key has just been changed.
   The fingerprint for the ECDSA key sent by the remote host is
   SHA256:o88McdHCBge0yQj73KghQpeo7cil+JXFd8HJ+Mb+MAU.
   Please contact your system administrator.
   Add correct host key in /home/thanlon/.ssh/known_hosts to get rid of this message.
   Offending ECDSA key in /home/thanlon/.ssh/known_hosts:1
   remove with:
   ssh-keygen -f "/home/thanlon/.ssh/known_hosts" -R "106.12.115.136"
   ECDSA host key for 106.12.115.136 has changed and you have requested strict checking.
   Host key verification failed.

解决方法：删除这个文件thanlon@vivobook:~$ rm -f /home/thanlon/.ssh/known_hosts，如果是Wimdows系统，根据提示找答这个文件也是删除即可。

2. vim不显示行号
   问题：其实这也不是问题，只是说你不会设置而以
   命令行模式下输入：set number命令就会出现。如果想隐藏行号，可以输入set nonumber