containerd(8)

🌸 containerd(8) 🌸

the containerd girlies' handbook, from the System Manager's Manual 💖

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✨ NAME ✨

containerd — bestie, this is THE container runtime daemon situation, and we're gonna talk about it 💅

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✨ SYNOPSIS ✨

containerd

[--address|-a]=[value]
[--config|-c]=[value]
[--log-level|-l]=[value]
[--root]=[value]
[--state]=[value]

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✨ DESCRIPTION ✨

okay so. containerd is a high performance container runtime and this command is how you start its daemon 🫶. Real talk: if you don't hand it one of the config, publish, oci-hook, or help commands, then the default action of the containerd command is just… to start the containerd daemon in the foreground. main character energy, honestly. no detaching, no hiding, it just is there 👑

If you don't specify a TOML configuration, or there isn't one chillin' at the default file location, then a default configuration gets used instead. and here's the slay part — the containerd config command exists specifically so you can generate that default configuration. then you can take that output, edit it, remix it, make it yours, and use it as a custom configuration ✨.

Usage, because we love a template:

containerd [GLOBAL OPTIONS] [command [COMMAND OPTIONS]] [ARGUMENTS...]

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✨ GLOBAL OPTIONS ✨

• --address, -a="" — Address for containerd's GRPC server 📡
• --config, -c="" — Path to the configuration file (default: "/etc/containerd/config.toml") 📄
• --log-level, -l="" — Set the logging level, and the options are literally: [trace, debug, info, warn, error, fatal, panic] 🔊
• --root="" — containerd root directory 🌳
• --state="" — containerd state directory 🗂️

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✨ COMMANDS ✨

config

Information on the containerd config 💁♀️

default

See the output of the default config 👀

dump

See the output of the final main config with imported in subconfig files 📦

migrate

Migrate the current configuration file to the latest version (does not migrate subconfig files) 🚚

ngl bestie, read that parenthetical twice — it does not migrate subconfig files. just the main one. don't come for me, come for the subconfigs 💀

publish

Binary to publish events to containerd 📢

• --namespace="" — Namespace to publish to 🪐
• --topic="" — Topic of the event 🏷️

oci-hook

Provides a base for OCI runtime hooks to allow arguments to be injected. 🪝✨

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and that's the whole page, bestie!! you understood it, i'm so proud, we're obsessed 💖

sign-off time: this was containerd(8) from the System Manager's Manual — that's the title and the manual name in one iconic little package 👑🦋. mwah, go start a daemon, ily, bye 🎀