containerd: initial README

Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>

1 files changed, 30 insertions, 0 deletions

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+# containerd: sample image fetch and exec commands
+
+```shell
+root@qemux86-64:~# ctr images list
+REF                             TYPE                                                      DIGEST                                                                  SIZE     PLATFORMS
+docker.io/calico/node:v3.11.2   application/vnd.docker.distribution.manifest.list.v2+json sha256:887bcd551668cccae1fbfd6d2eb0f635ec37bb4cf599e1169989aa49dfac5b57 84.8 MiB linux/amd64,linux/arm64,linux/ppc64le
+docker.io/library/alpine:latest application/vnd.docker.distribution.manifest.list.v2+json sha256:c0e9560cda118f9ec63ddefb4a173a2b2a0347082d7dff7dc14272e7841a5b5a 2.7 MiB  linux/386,linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64/v8,l
+
+root@qemux86-64:~# ctr image pull docker.io/library/alpine:latest
+docker.io/library/alpine:latest:                                                  resolved       |++++++++++++++++++++++++++++++++++++++|
+index-sha256:c0e9560cda118f9ec63ddefb4a173a2b2a0347082d7dff7dc14272e7841a5b5a:    exists         |++++++++++++++++++++++++++++++++++++++|
+manifest-sha256:d7342993700f8cd7aba8496c2d0e57be0666e80b4c441925fc6f9361fa81d10e: exists         |++++++++++++++++++++++++++++++++++++++|
+layer-sha256:188c0c94c7c576fff0792aca7ec73d67a2f7f4cb3a6e53a84559337260b36964:    exists         |++++++++++++++++++++++++++++++++++++++|
+config-sha256:d6e46aa2470df1d32034c6707c8041158b652f38d2a9ae3d7ad7e7532d22ebe0:   exists         |++++++++++++++++++++++++++++++++++++++|
+elapsed: 6.5 s                                                                    total:   0.0 B (0.0 B/s)
+unpacking linux/amd64 sha256:c0e9560cda118f9ec63ddefb4a173a2b2a0347082d7dff7dc14272e7841a5b5a...
+
+
+root@qemux86-64:~# ctr run -t docker.io/library/alpine:latest dtest /bin/sh
+/ # uname -a
+Linux qemux86-64 5.8.13-yocto-standard #1 SMP PREEMPT Tue Oct 6 12:23:29 UTC 2020 x86_64 Linux
+/ #
+
+
+ # root@qemux86-64:~# ctr c list
+CONTAINER    IMAGE                              RUNTIME
+dtest        docker.io/library/alpine:latest    io.containerd.runc.v2
+
+root@qemux86-64:~# ctr c delete dtest
+```
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