Share ssh usage records in Ubuntu and ssh in ubuntu

Share ssh usage records in Ubuntu and ssh in ubuntu
This article is based on Ubuntu 16.04. 1. Install

Sudo apt-get install openssh-server

2. Configuration

The configuration file is located in/etc/ssh/sshd_config.

The default port is 22, which can be modified in the configuration file or added to allow ssh to listen to multiple ports.

3. firewall restrictions

If the client cannot be connected, the firewall may limit the port. You can run the following command to allow the firewall to pass through:

Sudo ufw allow 22/tcp

4. Start and Stop the ssh service

Sudo/etc/init. d/ssh startsudo/etc/init. d/ssh stopsudo/etc/init. d/ssh resart