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Cooper Reagan

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

how to install v2ray websocket tls on debian 12

how to install v2ray websocket tls on debian 12

What you will read?1 Step 1 — Prerequisites and DNS2 Step 2 — Update Debian 12.11 and install base tools3 Step 3 — Install Nginx4 Step 4 — Prepare variables5 Step 5 — Create HTTP server block and webroot6 Step 6 — Issue Let’s Encrypt TLS certificate (webroot)7 Step 7 — Install V2Ray core8 Step…

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how to install postgresql on ubuntu 25.10

how to install postgresql on ubuntu 25.10

What you will read?1 Update system and prerequisites2 Install PostgreSQL from Ubuntu repository3 Optional: Install latest PostgreSQL from PGDG4 Check and manage the PostgreSQL service5 Set the postgres superuser password6 Create an application role and database7 Configure listen address and authentication8 Open the firewall (UFW) for PostgreSQL9 Verify remote connectivity10 Backup and restore essentials11 Minor…

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How to Setup Cron Jobs on Red Hat 9/8

How to Setup Cron Jobs on Red Hat 9/8

What you will read?1 Update Your System2 Install and Enable Cron3 Understand the Cron Syntax4 Add or Edit Cron Jobs5 Practical Examples6 Manage and Troubleshoot7 Reliable Automation for RHEL Keeping your server tasks automated helps maintain performance, security, and uptime. On Red Hat Enterprise Linux (RHEL) 9 and 8, the built-in cron scheduler can run…

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How to Setup cron jobs on ubuntu 25.04

How to Setup cron jobs on ubuntu 25.04

What you will read?1 Update Your System2 Install Cron (if missing)3 Understand Cron Job Format4 Edit Your User’s Crontab5 Common Cron Job Examples6 Manage Cron Jobs7 Debug and Monitor Automating tasks on your server makes system management easier and more efficient. On Ubuntu 25.04, cron is the native scheduler that lets you run commands, scripts,…

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How to Setup Cron Jobs on Debian 12

How to Setup Cron Jobs on Debian 12

What you will read?1 Update Your System2 Install Cron (if not installed)3 Understand Cron Job Syntax4 Edit Your User Crontab5 Common Cron Job Examples6 Check & Manage Cron Jobs7 Monitor Cron Logs8 Keep Your Server Efficient Automating tasks on a Linux server can save time and reduce human error. Cron is the built-in scheduler in…

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How to Install V2ray on Windows server 2022

How to Install V2ray on Windows server 2022

What you will read?1 Download V2Ray for Windows2 Configure the V2Ray Client3 Run V2Ray4 Set V2Ray to Run Automatically5 Configure Your Applications6 Boost Your Server Experience V2Ray is a powerful proxy tool that helps bypass network restrictions, improve privacy, and optimize internet access. Running it on Windows Server 2022 allows you to create a stable,…

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how to install and configure openvpn on rhel 9/8

how to install and configure openvpn on rhel 9/8

What you will read?1 Step 1: Verify OS, network, and update2 Step 2: Enable EPEL and CodeReady/CRB repositories3 Step 3: Install OpenVPN, Easy-RSA, and firewalld4 Step 4: Initialize PKI with Easy-RSA 35 Step 5: Create a secure server configuration6 Step 6: Enable IP forwarding7 Step 7: Open firewall and configure NAT8 Step 8: Start and…

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How to Setup Cron Jobs on Centos 8

How to Setup Cron Jobs on Centos 8

What you will read?1 Step 1: Update System Packages2 Step 2: Install Cron (if not installed)3 Step 3: Enable and Start the Cron Service4 Step 4: Edit the User Crontab5 Step 5: Examples of Cron Jobs6 Step 6: Manage Cron Jobs Cron is a time-based job scheduler in Linux that allows you to automate repetitive…

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How to Install OpenVPN on Linux Mint

How to Install OpenVPN on Linux Mint

What you will read?1 Update System Packages2 Install OpenVPN Package3 Set Up Easy-RSA Directory4 Configure the PKI Variables5 Build the Certificate Authority (CA)6 Create Server Certificate and Key7 Generate Diffie-Hellman Parameters8 Create TLS-Auth Key for Extra Security9 Copy Keys and Certificates to OpenVPN Directory10 Create Server Configuration File11 Enable IP Forwarding12 Configure UFW Firewall13 Start…

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