Linux

Industry & Events

IP Infusion powering the world from behind the scenes

Founded by Kunihiro Ishiguro and Yoshinari Yoshikawa the founders of GNU Zebra, came together to form IP Infusion back in 1999 as a commercial-grade, hardware-independent …

2017.08.01 · 2 min
Industry & Events

PNDA provides scalable and reactive network analytics

During Networking Field Day 15 our friends from the Linux Foundation, including Lisa Caywood, briefed us on a recent “acquisition” from Cisco.

2017.04.13 · 4 min
Security

Poor man's VPN connection

Have you ever needed to access a site that had an IP restriction, or one inside your remote network?

2010.04.20 · 2 min
Automation & Tools

Netcat – secret weapon

Netcat or nc, is a forgotten tool in too many arsenals these days. It lays dormant waiting at the command line to make connections across the globe for you.

2010.04.19 · 3 min
Automation & Tools

Mail Server Relay Testing

As you may know, I am not big in the server world, even less into mail servers. They make me sick.

2009.09.15 · 4 min
Homelab & Misc

Setting up Apple Filing Protocol and Bonjour under Debian

Got a Mac ? Got a Linux box that you use as a file server on your home network? Sick of problems with samba?

2009.08.28 · 7 min
Security

Securing SSH against bruteforce attacks

This is one of the methods I’ve used in the past to secure a Linux host against brute force ssh attacks.

2009.06.07 · 2 min
Automation & Tools

Regular Expression Basics

Before I even get started, I want to mention that not all regular expression metacharacters are supported in every application. Keep this in mind when building your matches.

2009.06.04 · 3 min
Routing

Layer 2 Ethernet transport over OpenVPN

One of the things I used to deploy frequently at my previous position was transport for other ISPs and businesses.

2009.05.14 · 1 min
Automation & Tools

SSH Wrapper Script

Ok — this is my first script that I’m posting here. Its a VERY simple ssh wrapper script that you can place in your path, preferably in ~/bin bash #!

2008.11.30 · 1 min