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Containers and Process Isolation
Understand how Linux namespaces, cgroups, capabilities, and filesystems combine to run containers.
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Edge Computing Architecture Patterns
Compare local filtering, regional aggregation, and centralized processing for systems with distributed data sources.
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Designing Reliable Background Workers
Build worker systems that tolerate retries, crashes, slow dependencies, and queue pressure without hiding failure.
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From the wider community
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Publications from DEV Community. Titles and summaries are attributed to their original authors; the links open the original articles.
A Linux Kernel CVE Just Dropped. Now What? A Practical Patching Playbook for Small Teams
Tuần này trên Hacker News có thread "Several vulnerabilities have been discovered in the Linux...
A dead Kubernetes node is detected in 3 seconds and keeps receiving traffic for 13
The 40-second node-monitor-grace-period everyone quotes is not what happens. I hard-killed a node ten times and measured where the failures actually live, then got the fix wrong and had to say so.
Trust the Tailnet, Not the Network: Automating Wi-Fi Hardening with NetworkManager Dispatchers
Treat every Wi-Fi network as hostile: a NetworkManager dispatcher that pins a locked-down firewalld zone and forces a Tailscale exit node on connect.
The Linux Troubleshooting Ladder: What to Check Before Making Things Worse
Stop blindly restarting services, killing processes, and rebooting nodes. Here is the...
Why your retries need jitter: the thundering herd, explained
Picture this. It is 2:14 in the morning and your checkout service starts returning errors. Every...
Why CISA gave agencies three days to patch CVE-2026-7273 in Zyxel GS1900 switches
Why CISA gave agencies three days to patch CVE-2026-7273 in Zyxel GS1900 switches CISA...