How To
Add DNS A and PTR Records in Windows Server 2025
DNS A records map hostnames to IPv4 addresses, and PTR records handle the reverse – mapping IPs back…
Category
Networking
Networking
IP Routing and Routing Protocols Explained
Every time you open a browser, send an email, or query an API, IP routing decides how your…
How To
Setup LVS Load Balancer on RHEL 10 / Rocky Linux 10
Linux Virtual Server (LVS) is a kernel-level Layer 4 load balancer built directly into the Linux kernel through…
How To
Add DNS Reverse Lookup Zone in Windows Server 2025
Reverse DNS (rDNS) maps an IP address back to a hostname – the opposite of a standard forward…
Windows
Install and Configure DNS Server in Windows Server 2025
DNS (Domain Name System) is the backbone of name resolution in Windows networks. The DNS Server role in…
How To
Install and Configure Squid Proxy on RHEL 10 / Rocky Linux 10
Squid is an open-source caching and forwarding HTTP/HTTPS proxy server used in corporate networks, ISPs, and data centers…
Cloud
Create Private Networks in OpenStack using Terraform
OpenStack private networks enable instances to be reached safely without being exposed to the public internet. Private networks…
How To
Install Pritunl VPN Server on Ubuntu 24.04 / 22.04
Pritunl is an open-source VPN server that gives you a clean web interface for managing OpenVPN and WireGuard…
AlmaLinux
Setup Mail Server with PostfixAdmin on Rocky Linux 10 / AlmaLinux 10
PostfixAdmin is a web-based management interface for Postfix mail servers. It lets you manage virtual domains, mailboxes, aliases,…
How To
Install PowerDNS on Rocky Linux 10 / AlmaLinux 10 with PowerDNS-Admin
PowerDNS is an open-source authoritative DNS server that serves as a high-performance alternative to BIND. It supports multiple…
Debian
Configure BIND DNS Server on Debian 13 / Debian 12 – Primary and Secondary
BIND (Berkeley Internet Name Domain) is the most widely deployed DNS server software on the internet. It handles…
How To
Install Portmaster Application Firewall on Linux
Portmaster is a free, open-source application firewall for Linux and Windows that monitors all network connections, blocks trackers…