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Error message with ‘yum update, yum install’ “This system is not registered with an entitlement server. You can use subscription-manager to register.

 In centos 8 Cause: This issue can be caused when the system has RHEL (RedHat) repositories installed (generally by mistake) or by old, bad, extra yum plugins.     Resolution: To fix this issue follow the steps below:   1. In your preferred editor (vi, vim, nano, etc.) open the “subscription-manager.conf” file sudo nano /etc/yum/pluginconf.d/subscription-manager.conf     2. Inside the “subscription-manager.conf” file change enabled to 0 and save the file enabled=0     3. Lastly issue the “yum clean all” command yum clean all     Check once 

How to Create an Organization Unit and User Step-by-Step | Complete Guide

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Installation and Configuration of Active Directory on Windows Server 201...

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Active Directory Installation and Configuration on Windows Server 2019

Here is a step-by-step guide to install and configure Active Directory (AD) on Windows Server 2019: ### 1. **Prepare the Server**    - Ensure the server has a **static IP address**.    - Set the appropriate **server name** to reflect its role (e.g., `DC1` for the first domain controller).    - Update Windows to the latest version and install necessary drivers. ### 2. **Install Active Directory Domain Services (AD DS) Role**    1. Open **Server Manager**.    2. In the **Dashboard**, click **Add roles and features**.    3. In the **Add Roles and Features Wizard**, follow these steps:       - Choose **Role-based or feature-based installation**.       - Select your server from the list.       - In the list of roles, check **Active Directory Domain Services**.       - A window will pop up to install the required features. Click **Add Features**.       - Conti...

Adding .adml and .admx Files in Windows Server: A Step-by-Step Guide

 Introduction:- Welcome to our tech blog! Today, we’re diving into Group Policy management in Windows Server, specifically focusing on adding .adml and .admx files. These files are essential for defining Group Policy settings and ensuring they are correctly displayed in the Group Policy Management Console (GPMC). Whether you’re an IT admin or just getting started with Windows Server, this guide will walk you through the process. C:\Windows\SYSVOL\sysvol\Annorapharma.local\Policies\PolicyDefinitions  What are .adml and .admx Files? Before we get into the steps, let's clarify what these files are: - .admx files: These are XML-based Administrative Template files that define the policy settings in the GPMC. - .adml files: These are the language-specific resource files associated with .admx files, containing the display text for the policy settings. Together, they help administrators manage and configure the behavior of Windows systems and applications. Step-by-Step Guide Step 1: D...

error downloading wazuh-template.json file

Troubleshooting Wazuh-Template.json Download Issues on CentOS 8 and 9 The issue of downloading the `wazuh-template.json` file in CentOS 8 or 9, focusing on firewall permissions and internet connectivity in a corporate network. When setting up Wazuh on CentOS 8 or 9, one common issue you might encounter is difficulty downloading the `wazuh-template.json` file. This problem can stem from various reasons, with firewall permissions and internet connectivity in a corporate network being primary suspects. In this blog post, we'll explore how to diagnose and resolve these issues to ensure a smooth installation process. Identifying the Problem Before diving into solutions, it’s essential to identify the root cause of the download issue. The problem usually manifests in one of the following ways: - **Firewall Restrictions** : Corporate networks often have strict firewall rules that block unauthorized downloads or restrict internet access. - **Internet Connectivity** : Issues such as unstabl...

Troubleshooting SAN Datastore Maintenance Mode Issue: Virtual Machines Stuck at 1%

Introduction: Maintaining and managing storage area network (SAN) datastores is crucial for ensuring the smooth operation of virtualized environments. However, administrators may encounter challenges when attempting to enter maintenance mode for SAN datastores, especially when virtual machines appear to be preventing the process from completing. In this article, we will explore a common issue where the datastore maintenance mode stalls at 1% completion, indicating that virtual machines are still active on the storage. Understanding the Issue: Entering maintenance mode on a SAN datastore involves migrating virtual machine disks and configurations to alternative storage resources, allowing for maintenance tasks such as hardware upgrades or storage maintenance. However, if any virtual machines remain on the datastore, the maintenance mode process may be halted to prevent data loss or disruption to active workloads. it shows at 3 virtual machine are in storage and stopped the progress. in...