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Sep 29, 2026containerd 1.7 Reaches End of Life: What Breaks on 2.x
containerd 1.7 reaches the end of its support window this month, and Kubernetes has already moved on:...
Sep 29, 202611 min read5 reactions0 comments
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Sep 27, 2026containerd 2.2's mount manager panics on a one-mount mkfs chain
I measured containerd 2.2's new mount manager against doing the same loopback ext4 setup by hand: 24ms manual versus 30-47ms through the API, then found a reproducible index-out-of-range panic and a raw BoltDB error leaking through it.
Sep 27, 20268 min read6 reactions11 comments
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Jul 18, 2026Kubernetes 1.35 is the last release supporting containerd 1.x: a 2026 upgrade guide
Kubernetes 1.35 is the last release supporting containerd 1.x: a 2026 upgrade...
Jul 18, 202614 min read0 reactions0 comments
Set Up a Kubernetes Node on Ubuntu 24.04 with containerd (the Docker-Compatible Runtime)
This is the mainstream way to run Kubernetes "with Docker" on Ubuntu in 2026: containerd as the...
Jul 31, 20263 min read1 reactions0 comments
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Jul 30, 2026Building an On-Premise Kubernetes Cluster - Part 2: Installing Containerd and Kubernetes
🇧🇷 Versão em português aqui Building an On-Premise Kubernetes Cluster - Part 2: Installing...
Jul 30, 20263 min read0 reactions0 comments
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Jul 29, 2026Montando um Cluster Kubernetes On-Premise - Parte 2: Instalando Containerd e Kubernetes
🇺🇸 English version here. Montando um Cluster Kubernetes On-Premise - Parte 2: Instalando...
Jul 29, 20263 min read0 reactions0 comments
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Jul 14, 2026How Docker Really Works, From docker run to the Kernel
You run docker run -p 8080:80 nginx, wait a second, and a web server is serving on port 8080. It...
Jul 14, 202610 min read5 reactions0 comments
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May 31, 2026Bootstrapping Kubernetes Before the Registry Exists - Pre-Tagging Images for containerd
If you're setting up Kubernetes for a private project — internal tools, an isolated network, an...
May 31, 20264 min read2 reactions0 comments
Docker v29 Lands on RISC-V64 in Under a Week: The Future is Here
Docker Engine v29.0.0 released Nov 6. RISC-V64 builds ready Nov 12—just 6 days later. Containerd as default, automated builds, production-ready.
Apr 22, 20267 min read0 reactions0 comments
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May 4, 2026Podman 5.0 vs. Containerd 2.0: Container Runtime Overhead Benchmarks 2026
In 2026, container runtime overhead accounts for 18% of total cloud compute spend for high-scale...
May 4, 202615 min read0 reactions0 comments
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Apr 29, 2026Docker 26 vs. containerd 2.0: 2026 Container Runtime Security Benchmark – 40% Fewer CVEs
In Q2 2026, containerd 2.0 shipped with 40% fewer critical CVEs than Docker 26, but raw vulnerability...
Apr 29, 202613 min read0 reactions0 comments
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Apr 27, 2026Benchmark: CRI-O 1.30 vs. containerd 1.7 for Kubernetes 1.32 Node Performance
A post by ANKUSH CHOUDHARY JOHAL
Apr 27, 20260 min read0 reactions0 comments