Deep Dive: HTB Rate Limiting (QoS) with Open vSwitch and XenServer
A scratchpad-style deep dive into how Open vSwitch and Linux HTB expose rate limits for XenServer virtual interfaces.
Browsing tag: virtual-andy
Using Swift and logrotate
A simple pattern for rotating logs and moving them into OpenStack Swift for longer-term storage.
the grep is a lie
A short note on why grep can mislead you when code search needs more context than a simple text match.
Another Quick Post on ack
A small ack configuration tip for paging noisy search results through less.
Code Diving: Ack (Better than Grep)
Why I liked ack for digging through big codebases, especially while writing those old OpenStack Nova deep dives.
The SDN Craze
Early thoughts on the SDN hype cycle, what felt useful, and what still needed operational grounding.
Cloud and Virtual Infrastructure
A few observations on the gap between cloud applications and applications that just happen to run on virtual infrastructure.
Next Generation Knowledge Resources
A follow-up knowledge resource list for getting oriented in cloud computing, DevOps, configuration management, and social coding.
New Direction
A reset for Virtual Andy toward cloud computing, automation, and the tools that help sysadmins do more with less.
Gem in the VMware vCenter Converter 4.2 for vCenter Server Release Notes
A small but useful vCenter Converter 4.2 release note for fixing Linux P2V imports without hand-editing the initrd.