Installation and configuration of Ubuntu Telnet Server--ssh

SSH is a security protocol, mainly used to encrypt remote login session data to ensure the security of data transmission.

Installing SSH

sudo apt-get updatesudo apt-get install Openssh-server

To see if the installation was successful

sudo ps-e |grep ssh    //has sshd, stating that the SSH service has been started, if not started, enter "sudo service ssh start" and the return-->SSH service will start.

Modify configuration File "/etc/ssh/sshd_config"

sudo gedit/etc/ssh/sshd_configpermitrootlogin without-password "Add a" # "number, comment it out and add a" Permitrootlogin yes "to  save

View Unbuntu's IP

sudo ifconfig

Putty Connection

Run the putty--> input host's IP address, session name-Save-double-click Session name to open the connection, enter the user name and password-login succeeded.

Installation and configuration of Ubuntu Telnet Server--ssh