Network and security specialist focused on VPN protocols, proxies and server hardening. Cooper spends his days breaking and fixing tunneling setups (WireGuard, V2Ray, Xray) so readers can follow battle-tested configurations instead of guesswork.
567 posts
What you will read?1 Step 1: Install Prerequisites2 Step 2: Add Microsoft Package Repository3 Step 3: Install the .NET SDK4 Step 4: Install the .NET Runtime Only (Optional)5 Step 5: Verify Installation6 Step 6: Create a Sample Console App (Optional) Installing .NET on Ubuntu is straightforward using Microsoft’s official package repositories. Here’s how to get…
First, check your current kernel version: uname -r If you want to upgrade or manually install a new kernel, one safe method is using the official Ubuntu Mainline Kernel builds. To download and install a newer kernel version manually: Go to the Ubuntu Kernel PPA:https://kernel.ubuntu.com/~kernel-ppa/mainline/ Pick the version you want (e.g., v6.8.x). Right-click the .deb…
To install Neofetch on Ubuntu, open your terminal and run the following command: sudo apt update sudo apt install neofetch -y Once installed, you can run it by typing: neofetch This will display your system information in a stylish and colorful way directly in the terminal. If for any reason Neofetch is not available via…
What you will read?1 Viewing Logs with journalctl2 Accessing Traditional Log Files To troubleshoot issues or monitor system activity in Ubuntu, checking logs is one of the most essential skills. Most logs are stored in plain text under the /var/log/ directory, and you can access them using standard command-line tools. Viewing Logs with journalctl Ubuntu…
What you will read?1 Step 1: Open Command Prompt as Administrator2 Step 2: Run Basic Netstat Command3 Step 3: Use Netstat with Parameters If you want to monitor active connections, listening ports, or troubleshoot networking issues on Windows, netstat is your go-to tool. Here’s how to use it effectively via Command Prompt. Step 1: Open…
To get started, make sure your Kali Linux is fully updated before installing KDE. Open a terminal and run: sudo apt update && sudo apt upgrade -y Now install the KDE Plasma desktop environment: sudo apt install kali-desktop-kde -y This package includes everything needed for a full KDE experience on Kali Linux. Once the installation…
What you will read?1 Backup via Winbox2 Backup via Terminal (CLI)3 Exporting Configuration to Text File4 Automating Backups with Scheduler5 Secure Your Backups To back up your MikroTik router configuration, you have two main options: using the Winbox GUI or the command-line interface (CLI). Below is a detailed guide for both methods. Backup via Winbox…
What you will read?1 Check Remote Desktop settings via System Properties2 Check if Firewall allows Remote Desktop If you want to connect to a Windows server or PC using Remote Desktop (RDP), the first thing to check is whether it’s actually enabled. Here’s how you can quickly verify that. Check Remote Desktop settings via System…
What you will read?1 Make the File Executable2 Use sudo When Required3 Check File Ownership4 SELinux or AppArmor Might Be Blocking Access5 Check Mount Options6 Hidden Characters or CRLF from Windows7 Executing a Directory Instead of a File8 Wrong Shell in Script Shebang The “Permission Denied” error is one of the most common issues you’ll…
