automation, networking, worklife
Stretching the Container Metaphor
The Docker/shipping container metaphor is overdone. I don’t think people have fully thought through what it might mean if containers do the same thing to computing as they did to shipping....
24 Aug 2015
War Stories: ITIL Process vs Practice
This article is Part 9 in a 12-Part Series. Part 1 - War Stories: Loops that Permanently Broke the Network Part 2 - War Stories: Switches Lying about Duplex Mismatches...
17 Aug 2015
Brocade PyNOS Python Libraries
PyNOS v1.1 has been published. This is a python library that simplifies automating Brocade VDX systems. It is built on top of ncclient, and uses NETCONF to communicate with the VDX...
11 Aug 2015
TruView Live Application Monitoring
Fluke Networks recently released TruView Live, a subscription-based service for monitoring internal & external applications. Tests can run from Fluke-managed cloud locations, your own systems, or from dedicated hardware appliances. I’ve been...
09 Aug 2015
Unsupported BNA Hacks
Here’s a couple of quick hacks for working with Brocade Network Advisor. It’s unsupported, but you can run BNA on Ubuntu. You can also suppress the client-side JRE version mismatch...
05 Aug 2015
Security - Just Another Risk
I made a conscious decision to move away from full-time information security work. I retain an interest, and try to keep up with developments, but I don’t want to be...
27 Jul 2015
/bin/sh - checking for bash vs dash incompatibilities
I have been investigating a problem where an application would install on RHEL/CentOS, but not on Ubuntu. I tracked it down to a problem with shell scripts that assumed that /bin/sh...
25 Jul 2015
Add Brocade MLX & VDX Support to HP IMC
HP IMC 7.1 E0303P13 does not support configuration backups for Brocade MLX & VDX devices. But they do have an extensible model, so it’s easy to add support. Here’s how...
21 Jul 2015
IPv6-test.com and SRX firewall policies
ipv6-test.com is a useful site for testing IPv4 & IPv6 connectivity. It checks that v4 & v6 are working as expected, and reports your browser v4/v6 preferences. It does have one...
15 Jul 2015
It's 2015: 'Supports IPv6' should mean full support
It’s 2015. ARIN is finally out of IPv4 addresses, more than 20% of Google users in the US are using IPv6…and vendors are still doing a half-assed job with IPv6...
13 Jul 2015
Networking Pioneers, Settlers and Town Planners
Can we broadly separate Networking into Pioneers, Settlers, and Town Planners? I’ve been thinking about how to apply Simon Wardley’s PST model to networking. This leads to thinking about how...
29 Jun 2015
Considering On-Call Pay
Let’s say you’ve been offered a new job. $70k base salary, with up to $20k per year extra for on-call duties. Great! $90k! That’s $10k more than my salary now! Sign me...
08 Jun 2015
HP IMC (26)
HP Master ASE (8)
HP NNMi (6)
Routing & Switching (50)
Open Source (2)