Cache Consul DNS TTL With Dnsmasq
While testing Consul DNS caching, I have noticed that Dnsmasq does not cache Consul responses. If you are also using Dnsmasq to forward DNS queries to Consul, you may run...
My Curated List of SRE and DevOps Resources
I am curating SRE and DevOps resources for those who want to get into the field. New stuff will be added in enarmontas/devops-resources repository and automatically updated in this article....
On Call vs. On-Duty
What is the difference between on-call and on-duty for a system administrator? During on-call sysadmin is reacting to alerts and paged calls when things are not working. During the day...
GitHub Uptime and Microsoft
Recently GitHub reliability has been getting worse. It’s 2020 July 13, Monday and GitHub wasn’t working for around 2 hours. Take a look at their status page. You’ll see something...
Upgrading HP Aruba Switch Firmware
Guide for upgrading HP Aruba (formerly ProCurve) switch firmware. Requirements macOS HP Aruba Switch 1. Start built-in tftp server on your Mac tftp server will enable file transfers between macOS...