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infrastructure

A collection of 5 posts
Security is a never-ending process, not a validation step! (2026 edition)
security

Security is a never-ending process, not a validation step! (2026 edition)

Four years later, half of what I wrote is embarrassing. The other half is still true. Your WAF is still useless, your SIEM still spams your on-call, and your security team still cannot code. Let's fix all of that.
21 Apr 2026 11 min read
SLA and SLO fundamentals
sla

SLA and SLO fundamentals

A practical breakdown of SLA and SLO fundamentals, covering time-based and aggregate-based metrics, downtime budgets, and how to set realistic availability objectives.
24 Jan 2022 2 min read
Security is a never-ending process, not a validation step!
security

Security is a never-ending process, not a validation step!

Why hand-configured firewalls, WAFs, and SIEMs are not security, and how we automate infrastructure hardening with open-source tools like OPNSense, Suricata, and Ansible.
12 Oct 2021 8 min read
#2 Deploy your Phoenix application with Clever Cloud
elixir

#2 Deploy your Phoenix application with Clever Cloud

Second article of a series about Phoenix and Elixir. This one will be focused on automatic deployment with Clever Cloud.
20 Sep 2021 6 min read
How to handle a massive infrastructure problem
sysadmin

How to handle a massive infrastructure problem

A field-tested 5-step plan for handling a major infrastructure incident: business impact, technical status, inventory, monitoring, and solution.
06 Sep 2021 9 min read
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