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 Backup Critical Configuration Files2 Identify and Preserve Data Partitions3 Resetting via DNF Group Reinstall4 Remove Unwanted Packages and User-Created Files5 Reset SELinux Contexts and Permissions6 Clean System and Reboot Resetting CentOS 8 without losing data isn’t the same as a full reinstall. You can achieve a clean system state while preserving…
What you will read?1 Step 1: Install Required Packages2 Step 2: Download the Desired Python Version3 Step 3: Compile and Install4 Step 4: Set the Default Python Version (Optional)5 Step 5: Update pip (If Needed)6 Step 6: Avoid Breaking System Tools First, check the current version of Python on your system: python3 --version CentOS 8…
What you will read?1 Step 1: Backup Just in Case2 Step 2: Create a Live USB3 Step 3: Boot Into Live USB and Start Installation4 Step 4: Select Your Root Partition5 Step 5: Continue Installation6 Step 6: Post-Install Tweaks To reinstall Ubuntu without wiping your personal files, the trick is choosing the right options during…
What you will read?1 Step 1: Check Current Python Version2 Step 2: Install Required Python Versions3 Step 3: Update the Alternatives System4 Step 4: Configure the Default Python Version5 Step 5: Verify the Change6 Step 6: Managing Virtual Environments7 Step 7: Installing Packages If you’re working with Python on Ubuntu 24.04, you may find yourself…
What you will read?1 Using Command Prompt (Preferred for Most Users)2 Setting NTP via Registry (Advanced Users)3 Confirm NTP Sync Is Working To configure an NTP (Network Time Protocol) server in Windows, you’ll need to use either the Command Prompt or edit the Windows Registry. Below are the simplest and most effective methods to sync…
What you will read?1 Use visudo2 Add User to Sudoers File3 Give Sudo Access Without Password4 Include Custom Sudoers Files5 Lock Down Permissions6 Avoid Common Mistakes To safely edit the sudoers file in Linux, you should never open it with a regular text editor like nano or vim. Instead, always use the built-in visudo command,…
What you will read?1 Using visudo in read-only mode2 Using cat or less (read-only, but riskier)3 Viewing drop-in configuration files4 Safer alternative: view via visudo with specified file To view the sudoers file in Linux, you need elevated privileges. The sudoers file defines which users and groups have administrative rights, and it’s located at: /etc/sudoers…
What you will read?1 1. Check RPC Services Status2 2. Use Tasklist to Inspect RPC-dependent Services3 3. Check Port 135 with PowerShell4 4. Use TCPView to Monitor RPC Traffic5 5. Use Registry to Confirm RPC Binding6 6. Use Event Viewer for RPC Errors7 7. Use WMI to Check RPC Functionality8 8. Verify with PowerShell Remoting9…
What you will read?1 rsync: Manual or Scripted Sync2 lsyncd: Real-Time Syncing with rsync3 Performance and Resource Usage rsync is one of the most powerful tools for syncing files and directories between systems. It’s fast, versatile, and can even copy over SSH with minimal bandwidth usage. But what about lsyncd (Live Syncing Daemon), often just…
