Programster's Blog

Tutorials focusing on Linux, programming, and open-source

iptables Port Forwarding Generator

A simple PHP script to generate the iptables rules to import when one needs to set up port forwarding.

Configure KVM Private NAT With Guest Gateway

Configure a KVM private NAT with a guest acting as a gateway to the outside world. Internal guests will be accessible from the outside world via a reverse proxy and port-forwarding rules.

Add Network Interface To KVM Guest

Add another network interface to a KVM guest.

Create A WiFi Access Point Using Netplan

Create a WiFi access point using netplan.

Ubuntu 20.04 - Install Driver For PiAEK USB Wifi Adapter

Pfsense Lecture - Limit Internet Speed Of Specific Hosts

Limit a computer's bandwidth to the internet, so the rest of your household don't get starved.

Ubuntu - Connect To VLAN

Connect to a VLAN with your Ubuntu 18.04 or 20.04 computer.

Fix Ubuntu 18.04 VM Guests All Getting The Same IP

Ethernet Cheatsheet

A cheatsheet for Ethernet networking.

Ubuntu 18.04 Server - Set Static IP With Netplan

Set a static IP on your ubuntu 18.04 server using netplan.

Benchmarking 10G Networking With Iperf

How to use iperf to benchmark your network.

KVM - Fix Missing Default Network

This tutorial will ensure you have a running default network on your KVM server.

Faster Networking With 2.5/5 Gigabit Ethernet

Upgrade GL-AR150 to Stock OpenWRT

GL-AR150 PoE Mini OpenWRT Router

Setting Your Maximum Transmission Unit (MTU)

CentOS 7 - Configure Static IP