<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>Mourtadha Kara</title><description>Notes on Kubernetes, infrastructure-as-code, observability, and running reliable systems in production — by Mourtadha Kara.</description><link>https://blog.0xkatana.site/</link><language>en-us</language><item><title>K3s Homelab: Adding a Worker Node and Backing Up etcd</title><link>https://blog.0xkatana.site/blog/k3s-homelab-part-2/</link><guid isPermaLink="true">https://blog.0xkatana.site/blog/k3s-homelab-part-2/</guid><description>Scale your k3s cluster to two nodes, pick a datastore, and set up a cron-based backup you can actually restore from.</description><pubDate>Tue, 09 Jun 2026 00:00:00 GMT</pubDate><category>k8s</category><category>devops</category><category>sre</category></item><item><title>K3s on a Homelab: From Zero to a Working Cluster</title><link>https://blog.0xkatana.site/blog/k3s-homelab-part-1/</link><guid isPermaLink="true">https://blog.0xkatana.site/blog/k3s-homelab-part-1/</guid><description>A practical, command-first walkthrough of installing a single-node k3s cluster, configuring it, and deploying your first workload.</description><pubDate>Tue, 02 Jun 2026 00:00:00 GMT</pubDate><category>k8s</category><category>devops</category><category>linux</category><category>cloud</category></item><item><title>Error Budgets Are a Conversation, Not a Metric</title><link>https://blog.0xkatana.site/blog/sre-error-budgets/</link><guid isPermaLink="true">https://blog.0xkatana.site/blog/sre-error-budgets/</guid><description>Why error budgets exist, how to set one without ceremony, and what to do when you blow through it — in practice, not in theory.</description><pubDate>Thu, 21 May 2026 00:00:00 GMT</pubDate><category>sre</category><category>devops</category><category>cloud</category></item><item><title>Hardening GitHub Actions: Five Changes Worth Making Today</title><link>https://blog.0xkatana.site/blog/github-actions-hardening/</link><guid isPermaLink="true">https://blog.0xkatana.site/blog/github-actions-hardening/</guid><description>Concrete, copy-pasteable security improvements for CI pipelines: OIDC over long-lived secrets, pinning, least-privilege tokens, and more.</description><pubDate>Thu, 30 Apr 2026 00:00:00 GMT</pubDate><category>security</category><category>devops</category><category>cloud</category></item></channel></rss>