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: Update Your Package List2 Step 2: Install Traceroute3 Step 3: Check Installation4 Step 4: Run a Traceroute Test Traceroute is a handy tool for diagnosing network issues by showing the path packets take to reach a destination. On Ubuntu 25.04, it’s not installed by default, but you can set…
What you will read?1 Step 1: Update Your System2 Step 2: Install Traceroute3 Step 3: Verify Installation4 Step 4: Run Traceroute Traceroute is a classic network diagnostic tool used to track the path packets take to reach a destination. It’s not installed by default on CentOS 8, but adding it only takes a minute. Step…
What you will read?1 Step 1: Update Your System Packages2 Step 2: Install Terminator3 Step 3: Launch Terminator4 Step 4: (Optional) Set Terminator as Default Terminal Terminator is a flexible terminal emulator that allows you to split your terminal window into multiple panes for better multitasking. Step 1: Update Your System Packages First, make sure…
What you will read?1 Step 1: Enable EPEL Repository2 Step 2: Update Package Metadata3 Step 3: Install Terminator4 Step 4: Launch Terminator5 Step 5: (Optional) Make Terminator Default Terminator is a popular terminal emulator that lets you organize multiple terminal sessions in one window using split panes. On CentOS 8, it’s not included in the…
What you will read?1 Step 1: Update the Package Index2 Step 2: Install Terminator3 Step 3: Launch Terminator4 Step 4: Set as Default Terminal Terminator is a powerful terminal emulator that lets you split your terminal into multiple resizable panes. It’s a favorite among power users, and it works great on Kali Linux. Step 1:…
What you will read?1 Step 1: Make Sure UFW is Installed2 Step 2: Enable UFW3 Step 3: Open Port 3306 for TCP4 Step 4: Verify the Rule5 Step 5: Ensure MySQL is Listening on External IPs If you’re running MySQL or MariaDB on Ubuntu 25.04 and want to allow external access, you’ll need to open…
What you will read?1 Step 1: Check if UFW is Installed2 Step 2: Enable UFW (If Not Already Enabled)3 Step 3: Open the Desired TCP Port4 Step 4: Using iptables (If Not Using UFW)5 Step 5: Check if Port is Open and Listening Before starting, make sure you have root or sudo privileges on your…
What you will read?1 Step 1 – Check if Firewalld Is Running2 Step 2 – Open a TCP Port (e.g. Port 8080)3 Step 3 – Confirm the Port Is Open When you’re running a server on CentOS 8, opening a specific TCP port is often necessary to allow incoming connections — whether it’s for a…
What you will read?1 Step 1 – Check if UFW is Installed and Active2 Step 2 – Open a TCP Port (e.g. Port 8080)3 Step 3 – Confirm the Rule Was Added4 Step 4 – Open Multiple TCP Ports (Optional) Need to allow external traffic through a specific TCP port on Ubuntu 24.10? Whether you’re…
