Linux enable SSH service related operations

1. Check to see if the Linux system has an SSH service installed, openssh or other xxxssh, indicating that SSH service is installed
   

   Command: RPM-QA | grep ssh

   
   

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2. Start the SSH service

The SSH service is represented as sshd with a command, so the start command is: Service sshd start

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3. View Port Usage

View all TCP ports: NETSTAT-TNLP

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View specified port: NETSTAT-TNLP | grep 22

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4. Test the SSH service for connection Success under Windows DOS Window command: Telnet IP address port number

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This article is from the "Azure Blue" blog, please be sure to keep this source http://chenchaop.blog.51cto.com/7152559/1786694

Linux enable SSH service related operations