再鹤的博客

[root@bigdata-senior01 ~]# vi /etc/sudoers 如果root用户无权修改sudoers文件，先手动为root用户添加写权限。 [root@bigdata-senior01 ~]# chmod u+w /etc/sudoers [root@bigdata-senior01 ~]# vi /etc/sudoers 设置权限，学习环境可以将hadoo...

https://blog.youkuaiyun.com/pucao_cug/article/details/71758883

https://www.cnblogs.com/mingforyou/p/8297721.html

https://blog.youkuaiyun.com/baidu_35757025/article/details/64437792

su vim /etc/ssh/sshd_config 把下面两句前面的#号去掉 PubkeyAuthentication yes AuthorizedKeysFile.ssh/authorized_keys 把yes改成no PasswordAuthenticationno 剩余过程参考：https://www.cnblogs.com/dadonggg/p/8350423.html 特...