[root@localhost /]# vim /etc/ssh/sshd_config

Port                                        #端口

ListenAddress 0.0.0.0                         #监听的IP

Protocol                                     #ssh版本

HostKey /etc/ssh/ssh_host_rsa_key             #私钥保存位置

ServerKeyBits                             #私钥的位数

SyslogFacility AUTH                           #日志记录ssh登陆情况

LogLevel INFO                                 #日志等级

GSSAPIAuthentication yes                      #GSSAPI认证开启

安装设定

PermitRootLogin yes                           #允许root用户ssh登陆

PubkeyAuthentication yes                      #是否使用公钥验证

AuthorizedKeysFile     .ssh/authorized_keys   #公钥的保存位置

PasswordAuthentication yes                    #允许使用密码验证登陆

PermitEmptyPasswords no                       #不允许空密码登陆

[root@localhost /]# ssh root@192.168.119.134

The authenticity of host '192.168.119.134 (192.168.119.134)' can't be established.

RSA key fingerprint is :6e:::e3:2e:1b:ea:::c8:db:d2::8b:8d.

Are you sure you want to continue connecting (yes/no)? y

Please type 'yes' or 'no': y

Please type 'yes' or 'no': yes

Warning: Permanently added '192.168.119.134' (RSA) to the list of known hosts.

root@192.168.119.134's password:

Last login: Wed Oct   ::  from 192.168.119.1

[root@localhost ~]# ifconfig | grep inet

          inet addr:192.168.119.134  Bcast:192.168.119.255  Mask:255.255.255.0

          inet6 addr: fe80::20c:29ff:fe6e:24e0/ Scope:Link

          inet addr:127.0.0.1  Mask:255.0.0.0

          inet6 addr: ::/ Scope:Host