Category: Server Management

ERROR 1129 (HY000): Host is Blocked | Solution Encountering the dreaded ERROR 1129 (HY000), often accompanied by the message “Host […]

“Peer Certificate Verification Failure” Error in OpenVPN The “Peer Certificate Verification Failure” error in OpenVPN indicates a problem with the […]

How to Enable and Optimize HAProxy Debug Logging on Ubuntu This guide details how to enable and optimize debug logging […]

How to Set up Azure DevOps Linux Runner as a systemd Service This guide outlines the steps to configure an […]

How to Restore Default Repositories in Ubuntu If you’ve accidentally removed or significantly modified your Ubuntu software repositories, you might […]

Fingerprint Issues After Adding Let’s Encrypt ACME | Resolved This article discusses a common issue encountered after setting up Let’s […]

Quick Guide: Git Setup on RHEL 9 via dnf This quick guide outlines the steps to install and configure Git […]

How to Enable Error Logging on PHP-FPM 7 with Nginx This guide outlines the steps to enable error logging for […]

HTTP Error 500 localhost is currently unable to handle this request. This version: Keeps the HTML tags, specifically for the […]

How to Fix the “Pull Access Denied” Error in Kubernetes Encountering a “Pull Access Denied” error in Kubernetes can be […]

How to Setup Sendmail on Kali Linux & CentOS This guide will walk you through setting up Sendmail on both […]

Virtual Machine Kernel Driver Not Installed (rc=-1908) This error, “Virtual Machine Kernel Driver Not Installed (rc=-1908),” typically indicates a problem […]