Linux Tactic

Securely Accessing Your Arch Linux Server with SSH

As technology has evolved, the need for secure and reliable remote access to servers has become increasingly critical. One of the most widely used methods for securely accessing remote servers is through the Secure Shell (SSH) protocol.

In this article, we will discuss everything you need to know about setting up and configuring the SSH server on Arch Linux, as well as connecting to it securely. Installation and Configuration of SSH Server on Arch Linux:

To install the SSH server on Arch Linux, you will need to use the OpenSSH package.

To do this, open a terminal and enter the following command:


sudo pacman -S openssh


This command will install the latest version of OpenSSH on your system. The installation process will also create a default configuration file for the SSH server, which will be located at “/etc/ssh/sshd_config”.

To start the SSH server, use the following command:


sudo systemctl start sshd


To stop the SSH server, use the following command:


sudo systemctl stop sshd


To ensure that the SSH server starts automatically upon system reboot, enter the following command:


sudo systemctl enable sshd


Connecting to the SSH Server:

To connect to the SSH server, you will need to obtain its IP address. You can do this by logging in to the terminal and typing the command:


ip addr show


This will display a list of network interfaces on your system, along with their IP addresses. To establish a connection to the SSH server, you will need to provide your user credentials.

Once you have entered your username and password, a secure connection will be established using the SSH protocol. Locating Server Files:

The default configuration file for the SSH server on Arch Linux is located at “/etc/ssh/sshd_config”.

This file contains various options that can be configured to customize the behavior of the SSH server, such as specifying the default port to use for SSH connections. To modify the configuration file, open it in a text editor using the following command:


sudo nano /etc/ssh/sshd_config


Once you have made your changes, save the file and restart the SSH server for the changes to take effect.

Improving Server Security:

To improve the security of your SSH server, it is recommendable to change it to a non-standard port. The default port for SSH connections is 22, which is well-known and may be targeted by attackers.

To change the default port for SSH connections, modify the “Port” option in the “/etc/ssh/sshd_config” file to a non-standard port number. For example:


Port 2222


It is also advisable to disable root login via SSH. Instead, create a user with administrative privileges and log in through that account.

This way, if there is ever a security breach, the damage that can be done is limited. Finally, consider disabling X11 forwarding, which allows X11 applications to be run remotely.

Although this feature may be convenient, it poses a risk since it can allow attackers to connect to your system and intercept keystrokes or access sensitive data. Conclusion:

In conclusion, setting up and configuring an SSH server on Arch Linux is a straightforward process.

By following the steps outlined in this article, you can create a secure and reliable remote access solution for your system. Remember to always prioritize security by implementing best practices such as using non-default ports, creating user accounts with administrative privileges, and disabling X11 forwarding.

In this article, we covered essential steps to successfully setting up and configuring an SSH server on Arch Linux while ensuring a secure connection. The process includes installation, starting and stopping the SSH server, and automatic start of the system.

We also discussed obtaining IP address, connecting to the server securely, locating server files, and improving server security by changing the default port, disabling root login, and disabling X11 forwarding. When remotely accessing servers, security is critical, and implementing best practices is vital to protect from cyber threats.

By following the guidelines discussed in the article, users can create a reliable and secure remote access solution for their systems.

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