How to check whether ssh service is installed in Linux

How to check whether the ssh service is installed in Linux: 1. Execute the "sudo ps -e |grep ssh" command in the terminal. If no error is reported and the ssh service starts successfully, the ssh service is installed; 2. In Execute the "ssh -V" command in the terminal. If the version number is displayed, the ssh service is installed.

The operating environment of this tutorial: Ubuntu 16.04 system, Dell G3 computer.

How to check whether the ssh service is installed in Linux

Method 1:

In the terminal Execute the following command to check whether ssh is started

sudo ps -e |grep ssh

root 2659
 1 0 18:31 ? 00:00:00 /usr/sbin/sshd

root 2702
 2618 0 18:38 pts/0 00:00:00 grep ssh//这证明ssh已经在运行了,进程名为sshd

If sshd is started, it means it has been started

The picture below shows the running effect when the ssh service is not installed

Method 2:

Execute the following command in the terminal to check the ssh version

ssh -V 

OpenSSH_3.9p1, OpenSSL 0.9.7a Feb 19 2003

If the version number is displayed, the installation is successful.

Related recommendations: "Linux Video Tutorial"

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