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Line 3:
Line 3: − Create a container with ID "looper" based on the "ubuntu:latest" image.+ − ctr run -d docker.io/library/ubuntu:latest looper /bin/sh -c 'i=0; while true; do echo $i; i=$(expr $i + 1); sleep 1; done'+ − + − ctr task rm looperc − + + + + + + + + + + + +
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== Container Checkpoint/Restore ==
== Container Checkpoint/Restore ==
{{Note|<code>ctr</code> is unsupported debug and administrative client for interacting with the containerd daemon. The commands, options, and operations are not guaranteed to be backward compatible or stable from release to release of the containerd project.}}
Pull "ubuntu:latest" image if not already available locally.
ctr task kill -s KILL looper
ctr image pull docker.io/library/redis:alpine
ctr containers rm looper
Create and run a container with ID "looper"
ctr run --runtime io.containerd.runc.v1 -d docker.io/library/redis:alpine redis
Create container checkpoint
ctr c checkpoint --rw --task redis checkpoint/redis:20211011
Restore container from checkpoint
ctr c restore redis-debug checkpoint/redis:20211011