SRE Simplified - Error Budget
SRE Simplified : Error Budget concept. The concept of Error Budget is useful for setting up alerts of different severity. This video explains in extremely simplified manner how it works.
Read more →SRE Simplified - Service Level Agreement
The next issue of SRE Simplified is about Service Level Agreement. Service Level Agreement is an agreement between service supplier and a customer about what the target quality of the service is and …
Read more →SRE Simplified - Introduction
What are the SRE concepts, like Service Level Agreement and Reliability? The challenge is to explain it in simplified manner, without deep discussions on different monitoring strategies. In this first …
Read more →Wireguard VPN Overview
WireGuard is a relatively new protocol. It claims to be greatly simplified and faster comparing to alternatives, it uses UDP as primary transport and encapsulates encrypted traffic from IP layer. …
Read more →How to suppress alerts in Prometheus for non-working hours
When it comes to the topic how Prometheus and Alertmanager work together and how to restrict alert notification to fire only on working hours, typicall solution is to apply workaround to avaluated …
Read more →Blogging using Emacs with org-mode and Hugo
I use org-mode extensively with org-roam for keeping my knowledge and journals together and working as my brain dump destination. This blog serves kinda the same purpose, so why not to combine these …
Read more →Install Ruby 3.1.4 on macOS
In case ruby can’t find OpenSSL 3 headers, use this way. brew install ruby-install ruby-install ruby 3.1.4 -- --with-openssl-dir=$(brew --prefix openssl)
Read more →CloudFlare Tunnel Terraform
How to provision CloudFlare tunnel using Terraform CloudFlare Tunnel can be useful to use reliable alternative to ngrok when you need to expose your application running locally to the outside world. …
Read more →Mikrotik Terraform
It is in general very good idea to manage infra configuration as a code. Unfortunately, Mirkotik terrafrom support is basic, as OSS driven. Nevertheless, I appreciate author for effors. Here is an …
Read more →Group Greeting
There are lots of options to greet collegue or close ones with cards. This one was recommended by one of the coworkers. Group Greeting Cards
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