How to Configure SSH for Secure Remote Access

 Introduction

SSH (Secure Shell) allows you to securely connect to remote Linux systems. Proper configuration improves both security and usability.

Step 1: Install SSH

sudo apt install openssh-server # Debian/Ubuntu  

sudo yum install openssh-server # CentOS/RHEL

➡️ Installs the SSH service.

Step 2: Start and Enable SSH

sudo systemctl start ssh  

sudo systemctl enable ssh

➡️ Starts the SSH service and enables it at boot.

Step 3: Configure SSH Settings

Edit /etc/ssh/sshd_config and set:

PermitRootLogin no

PasswordAuthentication yes

➡️ Disables root login for security.

Step 4: Restart SSH

sudo systemctl restart ssh

Conclusion

By configuring SSH securely, you ensure safe remote access to your Linux servers.