Articles

 Complete VPS Networking Glossary: Terms Every Server Admin Should Know

This glossary covers the core networking terminology you'll encounter while managing a VPS...

 How to Bond Multiple Network Interfaces for Redundancy

Network interface bonding combines multiple physical/virtual network interfaces into a single...

 How to Configure BGP for Multi-Homed VPS Connectivity

BGP (Border Gateway Protocol) enables advanced multi-homed connectivity scenarios —...

 How to Configure Multiple IP Addresses on One VPS

Running multiple services that each need their own dedicated IP — separate SSL certificates...

 How to Configure Source-Based Routing on a Linux VPS

Source-based routing directs traffic based on its originating address rather than only its...

 How to Configure Static Routes on a Linux VPS

Static routes tell your server exactly how to reach specific networks, overriding the default...

 How to Configure a VPS as a Forward Proxy with Squid

A forward proxy routes outbound requests through your VPS, useful for accessing geo-restricted...

 How to Diagnose Asymmetric Routing Issues

Asymmetric routing — where outbound and return traffic take genuinely different network...

 How to Diagnose and Fix High Network Latency

High latency degrades user experience for real-time applications and slows down general...

 How to Monitor Network Traffic with vnStat and iftop

Understanding your VPS's network traffic patterns — historical usage trends and real-time...

 How to Monitor and Alert on Network Interface Errors

Network interface errors (dropped packets, collisions, buffer overruns) often precede or...

 How to Secure a VPN Server Against Common Attacks

A VPN server, by its nature, is a high-value target — compromising it could expose all...

 How to Set Up IPv6 on Your VPS

IPv6 adoption continues to grow, and many VPS providers now offer IPv6 addresses alongside IPv4....

 How to Set Up Network Namespaces for Isolation

Linux network namespaces provide genuine, kernel-level network isolation — each namespace...

 How to Set Up Network Traffic Shaping and QoS on a VPS

Traffic shaping lets you prioritize certain types of network traffic over others — ensuring...

 How to Set Up Port Knocking for SSH Security

Port knocking adds an extra layer of obscurity to SSH access — the SSH port stays closed to...

 How to Set Up VLAN Tagging on a VPS

VLAN tagging allows logical network segmentation over shared physical network infrastructure...

 How to Set Up WireGuard with Multiple Peers (Hub-and-Spoke)

Beyond a simple point-to-point connection, WireGuard can be configured for a hub-and-spoke...

 How to Set Up a Mesh VPN with Tailscale or ZeroTier

Mesh VPN solutions like Tailscale and ZeroTier create secure, direct connections between all your...

 How to Set Up a Reverse SSH Tunnel for Remote Access

A reverse SSH tunnel lets you access a machine behind NAT or a restrictive firewall — one...

 How to Set Up a SOCKS5 Proxy on a VPS

A SOCKS5 proxy on your VPS lets you route traffic through your server — useful for...

 How to Set Up a Site-to-Site VPN Between Two VPS Servers

A site-to-site VPN creates a persistent, secure tunnel between two servers (or entire networks),...

 How to Set Up a VPN Kill Switch

A VPN kill switch prevents traffic from leaking outside the VPN tunnel if the VPN connection...

 How to Set Up a VPN Server with WireGuard

WireGuard is a modern, fast, and simple VPN protocol — significantly easier to configure...

 How to Set Up a VPS as a DNS Server with BIND9

Running your own authoritative DNS server gives you full control over DNS records without relying...

 How to Set Up an OpenVPN Server on a VPS

OpenVPN is a mature, widely-supported VPN protocol — a solid choice when you need broad...

 How to Troubleshoot DNS Resolution Issues Step by Step

DNS resolution problems can manifest in confusing, seemingly unrelated ways — this guide...

 How to Troubleshoot MTU Issues and Fragmentation Problems

MTU (Maximum Transmission Unit) mismatches cause subtle, hard-to-diagnose network issues —...

 Understanding NAT Types and Their Impact on Connectivity

NAT type affects how easily direct peer-to-peer connections can be established, relevant for VPN...

 Understanding and Configuring TCP Keepalive Settings

TCP keepalive settings control how long-idle connections are detected and maintained —...