Runc: Difference between revisions

Revision as of 15:45, 4 July 2025

Runc is a CLI tool for spawning and running containers on Linux according to the OCI specification. This page provides instructions to setup containers using runc.

Prerequisites

Enable cgroups

Set up a minimal container

Here are the steps to create a minimal container using runc and Alpine Linux.

# apk add runc

# mkdir /opt/busybox-container

# apk --arch x86_64 -X https://dl-cdn.alpinelinux.org/alpine/edge/main/ --root /opt/busybox-container/rootfs --initdb --no-cache --allow-untrusted add busybox

# cd /opt/busybox-container && runc spec

# runc run busybox-1

@@ Line 1: / Line 1: @@
 [https://github.com/opencontainers/runc Runc] is a CLI tool for spawning and running containers on Linux according to the OCI specification. This page provides instructions to setup containers using runc.
-{{Draft}}
+== Prerequisites ==
+* Enable [[OpenRC#cgroups|cgroups]]
 == Set up a minimal container ==
+Here are the steps to create a minimal container using runc and Alpine Linux.
 {{Cmd|# apk add runc}}
 {{Cmd|# mkdir /opt/busybox-container}}
-{{Cmd|# apk --arch x86_64 -X https://dl-cdn.alpinelinux.org/alpine/edge/main/ --root /opt/busybox-container/rootfs --initdb --no-cache --allow-untrusted add busybox}}
+{{Cmd|# apk --arch x86_64 -X <nowiki>https://dl-cdn.alpinelinux.org/alpine/edge/main/</nowiki> --root /opt/busybox-container/rootfs --initdb --no-cache --allow-untrusted add busybox}}
 {{Cmd|# cd /opt/busybox-container && runc spec}}
-{{Cmd|# cd /opt/busybox-container}}
 {{Cmd|# runc run busybox-1}}