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查看ssh服务是否安装 [root@localhost ~]# rpm -qa |grep -E ‘(ssh.*server|server.*ssh)‘ openssh-server-5.3p1-70.el6.i686 查看配置文件 [root@localhost ~]# rpm -qc openssh-server /etc/pam.d/ssh-keycat /etc/pam.d/sshd /etc/ssh/sshd_config /etc/sysconfig/sshd man手册查看禁止root登录的选项 [root@localhost ~]# man /etc/ssh/sshd_config [root@localhost ~]# vim /etc/ssh/sshd_config PermitRootLogin no 验证 [10:22:20 talen@BJB0300 ~ ]$ ssh -l root 192.168.74.129 root@192.168.74.129‘s password: Permission denied, please try again. root@192.168.74.129‘s password: [10:22:48 talen@BJB0300 ~ ]$ ssh -l talen 192.168.74.129 talen@192.168.74.129‘s password: [talen@localhost ~]$ ls Desktop Documents Downloads Music Pictures Public Templates Videos root用户无法登录,普通用户可以登录
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原文地址：http://my.oschina.net/u/2292763/blog/506469
