For example, entering "xterm" will start a xterm terminal window, from which you can launch other programs. Once your are logged in, you can start programs that use graphical user interfaces based on the X-windows system.If you enter the wrong user name, cancel the login process with "Ctrl-c", and try again. It my ask you to enter your password to complete the login procedure. For example, you can login hyper by typing " ssh phasaccount and hit return. Use the secure shell ssh to connect to the remote Linux system you want to work on.Initially, the system seems a little slow responding to commands, but that problem goes away after it runs for a while. It will open a terminal window and start an X-server to enable remote graphical displays. Double-click on the executable to start the program.Place the executable in a folder where you can find it when you need it.Download the MobaXterm executable (MobaXterm.exe).Some firewalls may require allowing traffic to the public IP address of the machine running SSH. The default firewall configurations tool in Ubuntu is UFW, configure it with the command: sudo ufw allow from any to any port 2222 proto tcp If you have decided to change the default port number, you must configure your firewall to allow traffic via the specified port. For the changes to take effect, restart the SSH service with the following command: sudo systemctl restart rvice Configure Firewall In the configuration file, find the line that reads PermitRootLogin_yesand change it to PermitRootLogin_no.Ģ. That way, the root user cannot be invoked remotely, and security will be significantly improved.ġ. Disable RootĪnother critical security precaution is to disable remote root access. Everyone is aware of the default port number so changing it is a recommended security precaution. Note: Changing the default port number is an SSH security best practice.
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