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The blog of Sam McLeod
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Last weekend I headed to New Zealand and marshalled at the Highlands Festival of Speed. The Highlands Festival of Speed is a weekend packed with...
Using GlusterFS to provide volume storage to Kubernetes as a replacement for our existing file and static content hosting. This talk was given at Infracoders...
We’re in the process of shifting from using our custom ‘glue’ for orchestrating Docker deployments to Kubernetes, When we first deployed Docker to replace LXC...
note: This is a follow up post from 2015-07-21-rcd-stonith A Linux Cluster Base STONITH provider for use with modern Pacemaker clusters. This has since been...
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It was almost 3 years ago that my open source storage project went into production. In that time it’s been running 24/7 serving as highly available solid state storage for...
“A chain is no stronger than its weakest link” Any improvement made anywhere besides the bottleneck is an illusion. Any improvement made after the bottleneck is useless because it will...
Here are my top album pics for 2017 (in no particular order) Note: This is by no means an exhaustive list, it’s just the top albums that really stood out...
My good friend Joel Shea received a most unlikely gift this Christmas - A vintage HP 4951 Protocol Analyser. According to the HP Computer Museum: Original Price: $3595 The 4951B...
This annoys me endlessly as I seem to often have my hand on control / cmd from working in the terminal. Turns out it’s an easy fix in Firefox’s about:config:...
In vim, you can add a comment at the top of files to set the syntax, e.g.: # vim: syntax=ruby In SublimeText there are many ways to detect syntax, one...
Earlier this week we started the process to upgrade one of our hypervisor compute clusters when we encountered a rather painful bug with HP’s Broadcom NIC chipsets. We were part...
Of all the tools for reading news and subscribing to software releases, I still find RSS the most useful. I use Feedly to manage my rss subscriptions and keep all...
A hypothetical scenario in the form of a metaphor The Airline There is a Airline with good morals and prides itself on it’s ability to provide services to it’s customers....
note: open images in a new tab to display in full resolution
I wanted to try Android for a couple of weeks, I like staying on top of technology, gadgets and making sure I never become a blind ‘zealot’ for any platform...
Ever forgotten to add a critical service to monitoring? Want to know if a service or process fails without explicitly monitoring every service on a host? …Then why not use...
Credits: George Hansper, Ricardo Vassellini, Evgeny Shebanin, Sam McLeod Scripts and source available here: sql_ascii_to_utf8 The Goal To be able to take a Postgres Database which is in SQL_ASCII encoding,...
The most common way to use rsync is probably as such: rsync -avr [email protected]<source>:<source_dir> <dest_dir> Resulting in 30-35MB/s depending on file sizes This can be improved by using a more...
This is a quick tldr there are many other situations and options you could consider. FIO man page IOP/s = Input or Output operations per second Throughput = How many...
Let’s pretend you have a project on Gitlab called ask-izzy and you want to mirror it up to Gitlab which is located at https://github.com/ask-izzy/ask-izzy Assuming you’re running Gitlab as the...
