Three months ago you ran a docker run command from a blog post and got Pi-hole working. Three weeks later it died on a reboot and never came back.
Tutorial
Vim Primer for Network Engineers
2012.08.21Vi is arguably the best text editing software in the world. There, I said it… deal with it!
SNMP can save your life
2011.09.28Ever get locked out of a router or switch that is many hours or even days away? Recently, I had the pleasure, again.
Best Practices and Securing Cisco IOS
2011.09.06Everyone has different views on hardening IOS, and while I do not claim to be an expert, these are the practices that I commonly use when bringing up a new device.
Time-based ACLs
2011.04.25Ever since Cisco released IOS 12.0.1T we’ve had the ability to broaden the reach of the extended ACL to allow the influence of time.
Cisco MPLS VRF Configuration and Demo
2009.11.19A while back I asked everyone to vote on what topic they wanted to see next, and by no surprise almost every voted for MPLS VRFs.
Cisco VOIP Basics – Cisco Dial Plans
2009.09.08This is the third part of my Cisco voip basics series. ( Parts 1, 2 & 4 ) Our goal is to help you configure a Cisco voice gateway that you could use in your home office.
This is the second part of my Cisco voip basics series. ( Parts 1, 3 & 4 ) Our goal in this series is to setup a working voice gateway that you could use in your home office.
One of the most effective lab setups uses frame relay as its primary transport method. This is a configuration that many people use and praise for its ease of setup and maintenance.
Layer 2 Ethernet transport over OpenVPN
2009.05.14One of the things I used to deploy frequently at my previous position was transport for other ISPs and businesses.
Recently one of my clients asked me to help resolve an issue at an aggregation point on their network.