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#containers

Security for container technologies like Docker and orchestration platforms like Kubernetes.

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Our autoscaler stopped scaling the day we added a sidecar without a CPU request

Our autoscaler stopped scaling the day we added a sidecar without a CPU request

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2 min read
Parallel Development with Claude Code Without git worktree (container-use)

Parallel Development with Claude Code Without git worktree (container-use)

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3 min read
Day 64: A Bad Image and a Small Disk

Day 64: A Bad Image and a Small Disk

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8 min read
Orchestrating the Cloud: A Hands‑On Guide to Mastering Kubernetes in 2024

Orchestrating the Cloud: A Hands‑On Guide to Mastering Kubernetes in 2024

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5 min read
There's a Cron Job in Production That Nobody Remembers Writing.

There's a Cron Job in Production That Nobody Remembers Writing.

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3 min read
docker builder prune freed 0 B: two places Docker keeps disk space that no prune reaches

docker builder prune freed 0 B: two places Docker keeps disk space that no prune reaches

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4 min read
How to Access a Running Container with Docker Exec

How to Access a Running Container with Docker Exec

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4 min read
cert-manager renewed our certificate and the pods kept serving the old one

cert-manager renewed our certificate and the pods kept serving the old one

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2 min read
Writable core_pattern Is a Host Takeover: Why Container Isolation Fails at /proc/sys/kernel/core_pattern

Writable core_pattern Is a Host Takeover: Why Container Isolation Fails at /proc/sys/kernel/core_pattern

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3 min read
A service called redis gave every new pod a port it could not parse

A service called redis gave every new pod a port it could not parse

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2 min read
Quantized LLMs hit 97% accuracy; Granite adds reasoning

Quantized LLMs hit 97% accuracy; Granite adds reasoning

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5 min read
Exit code 137: was it really out of memory? Find who sent the SIGKILL

Exit code 137: was it really out of memory? Find who sent the SIGKILL

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8 min read
Day 63: Two Tiers and a Root Key

Day 63: Two Tiers and a Root Key

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9 min read
Docker exit codes: read the number before you restart anything

Docker exit codes: read the number before you restart anything

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6 min read
Docker on AWS: How to Optimize, Scale, and Reduce Application Costs 🚀

Docker on AWS: How to Optimize, Scale, and Reduce Application Costs 🚀

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5 min read
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