update engine reference docs with latest changes #13660
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| You need at least version 2.0 of CRIU to run checkpoint/restore in Docker. | ||
| ### Use cases for checkpoint & restore |
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| ### Use cases for checkpoint & restore | |
| ### Use cases for checkpoint and restore |
| - "Rewinding" processes to an earlier point in time | ||
| - "Forensic debugging" of running processes | ||
| Another primary use case of checkpoint & restore outside of Docker is the live |
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| Another primary use case of checkpoint & restore outside of Docker is the live | |
| Another primary use case of checkpoint and restore outside of Docker is the live |
| abc0123 | ||
| ``` | ||
| This process just logs an incrementing counter to stdout. If you `docker logs` |
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| This process just logs an incrementing counter to stdout. If you `docker logs` | |
| This process just logs an incrementing counter to stdout. If you run `docker logs` |
| ### Installing CRIU | ||
| If you use a Debian system, you can add the CRIU PPA and install with apt-get |
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| If you use a Debian system, you can add the CRIU PPA and install with apt-get | |
| If you use a Debian system, you can add the CRIU PPA and install with `apt-get` |
| Alternatively, you can [build CRIU from source](https://criu.org/Installation). | ||
| You need at least version 2.0 of CRIU to run checkpoint/restore in Docker. |
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| You need at least version 2.0 of CRIU to run checkpoint/restore in Docker. | |
| You need at least version 2.0 of CRIU to run checkpoint and restore in Docker. |
| - `ls` (lists existing checkpoints) | ||
| - `rm` (deletes an existing checkpoint) | ||
| Additionally, a `--checkpoint` flag is added to the container start command. |
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| Additionally, a `--checkpoint` flag is added to the container start command. | |
| Additionally, a `--checkpoint` flag is added to the `container start` command. |
| --checkpoint-dir Use a custom checkpoint storage directory | ||
| ``` | ||
| And to restore a container: |
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| And to restore a container: | |
| To restore a container: |
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Ah, looks like I missed this one; will keep that for a follow-up
| ### Known limitations | ||
| seccomp is only supported by CRIU in very up to date kernels. |
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| seccomp is only supported by CRIU in very up to date kernels. | |
| seccomp is only supported by CRIU in very up-to-date kernels. |
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Thanks @thaJeztah. LGTM with some minor style and format suggestions |
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I'll have a look at those changes (will have to be made in the cli and backported); this was just a move of an existing file that was already in the CLI, but previously not included in the reference docs |
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I opened docker/cli#3333 and docker/cli#3334 to address the review comments in the docker/cli repository |
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
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@usha-mandya updated with the changes from docker/cli#3334; PTAL |
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@usha-mandya ptal