Blogs

  • How to fix AES-256-CBC missing in openvpn

    Server Error log: DEPRECATED OPTION: –cipher set to ‘AES-256-CBC’ but missing in –data-ciphers (AES-256-GCM:AES-128-GCM:CHACHA20-POLY1305). OpenVPN ignores –cipher for cipher negotiations. ” Client Error log: Issue 2: AUTH: Received control message: AUTH_FAILED,TEMP[backoff 60]:LICENSE: Access Server license failure: Connection exceeds currently allocated connection to this server (2) Fix: Login to the OpenVPN server console as admin Go…

  • Update URLs in MySQL Databases with SQL Queries: A Guide

    Managing a MySQL database often involves performing updates to ensure data consistency or adapt to new configurations. One common scenario is updating URLs across a database, such as when removing a port number from URLs. In this post, we’ll guide you through the process of using SQL queries to achieve this efficiently. The Scenario Updating…

  • How to Install and Access the Kubernetes Dashboard in a k3s Cluster

    Deploying the Dashboard UI Note: Kubernetes Dashboard supports only Helm-based installation currently as it is faster and gives us better control over all dependencies required by Dashboard to run. The Dashboard UI is not deployed by default. To deploy it, run the following command: Accessing the Dashboard UI Run the below command to retrieve the…

  • Azure Kubernetes Service (AKS) high level architecture diagram

    Worker Node Group This file contains an Azure Kubernetes Service (AKS) architecture diagram. Azure AKS.drawio Download

  • Installing Python and Configuring Linux Diagnostic Extension on an Azure VM

    In this post, we’ll walk through how to manage Azure Virtual Machines (VMs) using Python, including installing Python 2, checking Python 3, and configuring the Azure Linux Diagnostic Extension. This tutorial uses the azure-identity and azure-mgmt-compute Python packages to authenticate and interact with Azure VMs. We’ll perform basic setup, run commands remotely on the VM,…

  • Managing Azure VM Services with Python: Start and Check Service Status with Azure Run Command

    This guide explains how to use Python and the Azure SDK to start a service on an Azure VM and check its status. We’ll use the RunCommandInput from the Azure Compute Management Client to send shell commands directly to the VM, allowing us to manage services (such as Nginx) without logging into the VM manually.…