A detailed description of the configuration method for the CentOS VMware SSH

1. Install SSH
[[email protected] ~]# yum install SSH
2. Start SSH
[[Email protected] ~]# service sshd start
3. Set up the boot operation
[[email protected] ~]# chkconfig sshd on
4, first modify the SSH configuration file. As follows:

[[email protected] ~]# vi/etc/ssh/sshd_config← open SSH configuration file with VI

#Protocol 2,1← Find this line will be "#" Delete, and then the end of the line ", 1" delete, only allow SSH2 mode of connection
Protocol 2← changed to this state, use only SSH2

#ServerKeyBits 768← Find this line, remove the "#" from the beginning and change 768 to 1024
Serverkeybits 1024← changed to this state, change Serverkey strength to 1024-bit

#PermitRootLogin yes← Find this line, remove the "#" from the beginning and change Yes to No
Permitrootlogin no← changed to this state, not allowed to log in with root

#PasswordAuthentication yes← Find this line, change Yes to No
Passwordauthentication no← changed to this state, do not allow password mode of login

#PermitEmptyPasswords no← found this line to remove the "#" of the wardrobe and not allow a blank password to log in
Permitemptypasswords no← changed to this state, disable blank password to log in
5, then save and exit.

A detailed description of the configuration method for the CentOS VMware SSH