Posts
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Chaos Engineering: Break Things on Purpose Before They Break Themselves
Your app handles a 500ms database response beautifully in testing because the database has never been slow in tests. Chaos engineering is the practice of finding those embarrassing assumptions before your users do, by deliberately causing the failures you've been hoping won't happen.
9 min read -
HashiCorp Vault: Stop Hardcoding Secrets Like It's 2012
AWS_SECRET_KEY=supersecretpassword123 committed to a public GitHub repo. We've all seen it. Vault is the tool that makes hardcoded secrets unnecessary, KV storage, dynamic credentials, PKI, and AppRole auth, all accessible via API. Here's how to actually run it.
8 min read -
Sysctl Tuning: The Linux Kernel Settings Nobody Told You About
Linux ships with conservative kernel defaults. These sysctl settings tune your server for networking, memory, and file I/O, with explanations, not just paste-and-pray values.
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Woodpecker CI vs Drone CI: Lightweight Pipelines for People Who Hate Waiting
Jenkins needs a server. GitHub Actions needs GitHub. If you're self-hosting your Git and want CI that doesn't weigh more than the code it's testing, Drone CI and its community fork Woodpecker CI are worth knowing about. One changed its license. The other exists because of that decision.
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Container Security: Scan and Sign Your Images Like You Mean It
Pulling unscanned images onto your server is a gamble. Trivy finds the CVEs. Cosign proves the image hasn't been swapped out. Here's how to add both to your workflow.
6 min read -
Gitea vs Forgejo vs GitLab CE: Self-Hosted Git Without the Existential Crisis
You want to self-host your git. Noble. Responsible, even. But now you're staring down three options and a Reddit thread that's somehow both 4 years old and still being argued about. Gitea, Forgejo, GitLab CE, let's cut through the noise and figure out which one won't ruin your weekend.
9 min read -
Falco: Catch Container Attacks at Runtime
Falco watches every syscall your containers make and screams when something sketchy happens. Like someone exec'ing a shell inside your nginx container at 3am.
5 min read -
WireGuard Is Fast, But You're Leaving Performance on the Table
WireGuard is fast out of the box, but default config leaves throughput on the table. Tune MTU, use the kernel module, and benchmark what you actually get.
8 min read -
Loki vs ELK: Centralized Logging Without the RAM Tax
ELK does everything and wants all your memory. Loki does logging the Prometheus way, label indexes, not content, and runs on a fraction of the resources. Here's the honest comparison.
7 min read -
Vault vs Infisical: Secrets Management for Teams Who've Learned the Hard Way
Your database password is in 14 different `.env` files across three repos, one of which is public on GitHub. Somewhere out there, a bot is already trying it. It's time to fix the secrets sprawl problem, and pick the right tool to do it without spending three weeks on setup.
9 min read -
Cockpit vs Webmin: Web Admin Panels That Don't Make You Cry
Cockpit is the modern systemd-native Linux admin panel. Webmin is the veteran that configures everything. Here's which one should be on your servers, and which shouldn't.
6 min read -
DNS Over HTTPS and TLS: Encrypt Your DNS Before Your ISP Sells It
Your DNS queries go out in plain text, so your ISP logs every site you visit. Here's how DoH, DoT, and DoQ fix that, and how to self-host with AdGuard Home.
8 min read
