Recent Posts

Netlify Migration

This blog is now hosted via Netlify, rather than GitHub Pages. It is still built using Jekyll, but I updated the theme to Mediumish.

CCIE Renewed Once More - Exam 400-101 v5.1

I’ve given in to the Sunk Cost Fallacy once more: I’ve renewed my CCIE. There was a lot of foot dragging this time around, and I only had four months...

CLI Still Sucks for Automation

Using network CLI for automation has always been fragile. But it keeps surprising me with the way it breaks. This time, it was a combination of Ansible, Arista, replace: config...

Our Green Card Journey

We are now Lawful Permanent Residents of the United States - aka Green Card Holders. It took a few years to get to this point. Here’s our timeline, why we...

Replacement Strips for Screen Privacy Filter

I use a Privacy Filter on my laptop screen when traveling. I’m doing a bit of time on planes these days, and it makes a big difference. Most of my...

New Year, New Home

We have left the Bay Area, and headed North. We have moved to the Greater Seattle area - specifically the Eastside, between Bellevue and Redmond. We’ve given up the old...

CircleCI, Docker and Systemd

I have been battling to get the combination of CircleCI, Docker and systemd to play together. After much frustration, I have a workable solution. Machine Executor, privileged: true, cgroup passthrough,...

More Ansible Modules for Extreme

We published Ansible modules for Extreme SLX devices earlier this year. Now we have modules covering all the main Extreme Switching & Routing product families - SLX, VDX, MLX, EXOS,...

Ansible - Don't be Afraid of a Little Python

This year I’ve written several Ansible modules. It wasn’t that hard, yet some people claimed they had been waiting “years” for those modules. There was nothing stopping anyone else doing...

CCIE - Should I Renew?

It is 6 years since I passed the CCIE Lab Exam. The dreaded email has arrived:

IXP Graphs are an Eyesore

Too many IXPs (and networkers in general) are using horrible outdated methods of graphing data. These are an ugly eyesore, and should be updated to something from this century. Big...

GitHub & Microsoft - It's OK

Microsoft buys GitHub, and most of the press has been pretty positive, even from those you might not expect.