Server security is crucial for safeguarding your data against breaches and unauthorised access. Linux servers are common targets for cyberattacks, especially when attackers can see OS details or version numbers.…
Category: Security and Backup
How to Configure Automated Backups with R1Soft or Acronis
September 17, 2025 / R1 Soft BackupAutomated backups are essential for protecting your website and server data against accidental loss, cyberattacks, or hardware failures. This guide explains how to configure automated backups using R1Soft and Acronis,…
How to Troubleshoot SSH Key Permission Issues
September 10, 2025 / Security and BackupThis article explains how to troubleshoot SSH key permission issues. If configurations or permissions are incorrect, SSH key-based authentication may fail. Use this knowledge base article to identify and resolve…
How to Use netstat and ss to Check Linux’s Listening Ports
September 1, 2025 / Security and BackupMonitoring active and listening ports on a Linux system is an important task for admins to ensure applications are running correctly and to detect unauthorised services. Two common tools used…
How to Allow or Block Ports Using FirewallD and UFW
August 29, 2025 / Security and BackupThis article explains how to allow or block ports using FirewallD and UFW. Proper port management is essential for securing a Linux server, ensuring that only required services remain accessible.…
How to Enable StrictHostKeyChecking in SSH
August 20, 2025 / Security and BackupThis guide explains how to enable StrictHostKeyChecking in SSH to ensure connections are only made to verified servers. When connecting to a new server, the StrictHostKeyChecking setting determines whether an…
How to Enable Passwordless SSH Login in Linux
August 15, 2025 / Security and BackupThis guide shows how to enable Passwordless SSH login in Linux. Passwordless SSH enables you to connect to a remote Linux server without entering a password each time, using SSH…
How to Disable Directory Listing in Apache
August 6, 2025 / Security and BackupIn Apache, directory listing enables users to see a directory’s contents in the absence of an index file (such as index.html or index.php). Although this could help view public files,…
How to check SSL expiry date via the command line
July 19, 2025 / SSL Web HostingThis guide shows you how to check the SSL certificate expiration date using the Windows command line. SSL/TLS certificates secure websites and data, so keeping track of their expiry is…
How to Set Up and Use btop on Ubuntu 20.04
July 5, 2025 / Security and BackupIn this guide, we have explained how to install and use btop on Ubuntu 20.04. Monitoring your system resources is crucial for maintaining optimal performance and identifying issues promptly. On…