How to configure SSH under Linux system? How do I turn on ssh?

SSH is an important way for Linux remote connection, how to configure the SSH service to install Linux system, how to open ssh? Let's take a look at it below (this example shows how to open the SSH service for the CentOS system)

1. Log in to the Linux system and open the Terminal command. Enter Rpm-qa |grep ssh to find out if the current system is installed

2. If you do not have an SSH package installed, you can install it through the Yum or RPM installation package (not specific)

Start the SSH serviceOnce the installation is done, the SSH service is turned on. SSH services are generally called SSHD

1. command line input Service sshd start can start or use/etc/init.d/sshd start

Configure \ View sshd ports

View or edit an SSH service configuration file, such as Vi/etc/ssh/sshd_config

If you want to modify the port, change the default port behind Port 22 to other ports (note the previous # number to be removed)

Remote connection SSH

If you need to connect to SSH remotely, you need to open the 22 port on the firewall.

. Turn off the firewall, or set the 22 port exception

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How to configure SSH under Linux system? How do I turn on ssh?