--keep, -k

Keep all temporary log and statistics files created by CRIU during checkpointing as well as restoring. These files are not deleted if restoring fails for further debugging. If restoring succeeds these files are theoretically not needed, but if these files are needed Podman can keep the files for further analysis. This includes the checkpoint directory with all files created during checkpointing. The size required by the checkpoint directory is roughly the same as the amount of memory required by the processes in the checkpointed container.

Without the -k, --keep option the checkpoint will be consumed and cannot be used again.

--all, -a

Restore all checkpointed containers.

--latest, -l

Instead of providing the container name or ID, restore the last created container.

The latest option is not supported on the remote client.

--tcp-established

Restore a container with established TCP connections. If the checkpoint image contains established TCP connections, this option is required during restore. If the checkpoint image does not contain established TCP connections this option is ignored. Defaults to not restoring containers with established TCP connections.

--import, -i

Import a checkpoint tar.gz file, which was exported by Podman. This can be used to import a checkpointed container from another host. Do not specify a container argument when using this option.

--import-previous

Import a pre-checkpoint tar.gz file which was exported by Podman. This option must be used with -i or --import. It only works on runc 1.0-rc3 or higher.

--name, -n

This is only available in combination with --import, -i. If a container is restored from a checkpoint tar.gz file it is possible to rename it with --name, -n. This way it is possible to restore a container from a checkpoint multiple times with different names.

If the --name, -n option is used, Podman will not attempt to assign the same IP address to the container it was using before checkpointing as each IP address can only be used once and the restored container will have another IP address. This also means that --name, -n cannot be used in combination with --tcp-established.

--ignore-rootfs

This is only available in combination with --import, -i. If a container is restored from a checkpoint tar.gz file it is possible that it also contains all root file-system changes. With --ignore-rootfs it is possible to explicitly disable applying these root file-system changes to the restored container.

--ignore-static-ip

If the container was started with --ip the restored container also tries to use that IP address and restore fails if that IP address is already in use. This can happen, if a container is restored multiple times from an exported checkpoint with --name, -n.

Using --ignore-static-ip tells Podman to ignore the IP address if it was configured with --ip during container creation.

--ignore-static-mac

If the container was started with --mac-address the restored container also tries to use that MAC address and restore fails if that MAC address is already in use. This can happen, if a container is restored multiple times from an exported checkpoint with --name, -n.

Using --ignore-static-mac tells Podman to ignore the MAC address if it was configured with --mac-address during container creation.

--ignore-volumes

This option must be used in combination with the --import, -i option. When restoring containers from a checkpoint tar.gz file with this option, the content of associated volumes will not be restored.