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Diffstat (limited to 'docs/tutorials/podman_tutorial.md')
| -rw-r--r-- | docs/tutorials/podman_tutorial.md | 29 |
1 files changed, 17 insertions, 12 deletions
diff --git a/docs/tutorials/podman_tutorial.md b/docs/tutorials/podman_tutorial.md index 5e174ac6b..760047840 100644 --- a/docs/tutorials/podman_tutorial.md +++ b/docs/tutorials/podman_tutorial.md @@ -101,19 +101,16 @@ $ sudo podman ps ``` Note: If you add *-a* to the *ps* command, Podman will show all containers. - -### Executing a command in a running container -You can use the *exec* subcommand to execute a command in a running container. Eventually you will be able to -obtain the IP address of the container through inspection, but that is not enabled yet. Therefore, we will -install *iproute* in the container. Notice here that we use the switch **--latest** as a shortcut for the latest -created container. You could also use the container's ID listed during *podman ps* in the previous step or -when you ran the container. +### Inspecting a running container +You can "inspect" a running container for metadata and details about itself. We can even use +the inspect subcommand to see what IP address was assigned to the container. ``` -$ sudo podman exec --latest -t dnf -y install iproute -$ sudo podman exec --latest -t ip a +$ sudo podman inspect -l | grep IPAddress\": + "IPAddress": "10.88.6.140", ``` -Note the IP address of the *ethernet* device. +Note: The -l is convenience arguement for **latest container**. You can also use the container's ID instead +of -l. ### Testing the httpd server Now that we have the IP address of the container, we can test the network communication between the host @@ -127,14 +124,22 @@ containerized httpd server. You can view the container's logs with Podman as well: ``` $ sudo podman logs --latest +10.88.0.1 - - [07/Feb/2018:15:22:11 +0000] "GET / HTTP/1.1" 200 612 "-" "curl/7.55.1" "-" +10.88.0.1 - - [07/Feb/2018:15:22:30 +0000] "GET / HTTP/1.1" 200 612 "-" "curl/7.55.1" "-" +10.88.0.1 - - [07/Feb/2018:15:22:30 +0000] "GET / HTTP/1.1" 200 612 "-" "curl/7.55.1" "-" +10.88.0.1 - - [07/Feb/2018:15:22:31 +0000] "GET / HTTP/1.1" 200 612 "-" "curl/7.55.1" "-" +10.88.0.1 - - [07/Feb/2018:15:22:31 +0000] "GET / HTTP/1.1" 200 612 "-" "curl/7.55.1" "-" ``` -<!-- ( ### Viewing the container's pids And you can observe the httpd pid in the container with *top*. ``` $ sudo podman top <container_id> -``` ) --> + UID PID PPID C STIME TTY TIME CMD + 0 31873 31863 0 09:21 ? 00:00:00 nginx: master process nginx -g daemon off; + 101 31889 31873 0 09:21 ? 00:00:00 nginx: worker process +``` + ### Stopping the container To stop the httpd container: ``` |