Archive: Blog


What is FDS ? Firewall management is often a task that you do once at the time of setting up a server. But if you’re maintaining a server like a PRO, you are monitoring logs, and blocking malicious users as they come, on a regular basis. FirewallD is a great firewall software. It has the […]

Tuneup Firefox with about:config

My tuning tip for Firefox goes deeper into the matter. If you enter the command „about: config“ in the Firefox address line and confirm, you will have access to almost all Firefox setting options. But be careful: Changes to the standard values ​​of Firefox can lead to the browser no longer running safely and stably. […]

Install and Configure Squid Proxy on CentOS 8

Install Squid Proxy on CentOS 8 Squid proxy is available on the default CentOS 8 repositories and can be installed by running the command; sudo dnf install squid Package Arch Version Repository Size Installing: squid x86_64 7:4.4-5.module_el8.0.0+182+b6dc903f AppStream 3.6 M Installing dependencies: libecap x86_64 1.0.1-2.module_el8.0.0+182+b6dc903f AppStream 29 k perl-DBI x86_64 1.641-2.module_el8.0.0+66+fe1eca09 AppStream 740 k perl-Digest-SHA […]

Format a Hard Drive Using the Command Prompt

In this tutorial, we explain how you can format a hard drive using the command prompt. Before proceeding further, make sure you backup all available data to prevent data loss. Follow the steps below to format a drive: STEP 1:    Open Command Prompt As Administrator Search for command prompt, right click and run as Administrator. […]

Install Jenkins on CentOS 8

Step 1: Install Java Install Java 8 on your system. If you already have Java 8 installed and set as the default, skip ahead to Step 2. Open a terminal window, and enter the following: The system will scan the repositories, then prompt you for confirmation.Type y and press Enter. Allow the system to download […]

Install Hyper-V on Windows 10

Enable Hyper-V to create virtual machines on Windows 10.Hyper-V can be enabled in many ways including using the Windows 10 control panel, PowerShell or using the Deployment Imaging Servicing and Management tool (DISM). This documents walks through each option. Note: Hyper-V is built into Windows as an optional feature — there is no Hyper-V download. […]

How to change Windows 10 DNS settings using Settings

To change the DNS addresses using the Settings app, use these steps: Open Settings. Click on Network & Internet. Click on Ethernet (or Wi-Fi depending on your connection). Select the connection that connects Windows 10 to the network. Source: Windows Central Under the „IP settings“ section, click the Edit button. Source: Windows Central Use the […]

How to disable secure desktop for UAC using Registry

In the case you’re running Windows 10 Home, you won’t have access to the Local Group Policy Editor, but you can still disable the dimmed secure desktop behavior on Windows 10 by modifying the Registry. Warning: This is a friendly reminder that editing the Registry is risky, and it can cause irreversible damage to your […]

Install the Linux Dynamic Update Client on Centos 7/8

You will be able to install’s DUC on Ubuntu in just a few minutes with Terminal. Once you have opened your Terminal window, log in as the “root” user. You can become the root user from the command line by entering “sudo -s” followed by the root password on your machine. cd /usr/local/src/wget […]

Postfix relay with gmail on Centos 7/8

You can install Postfix by installing the postfix package itself or via the mailutils package which installs along with it. dnf install postfix Install SASL on CentOS 8 SASL (Simple Authentication and Security Layer) provides a mechanism of authenticating users using their username and password. The implementation of SASL is provided Cyrus SASL library which […]

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