[student@workstation ~]$ sudo podman login quay.io Username: vnjsharma Password: Login Succeeded! [student@workstation ~]$ sudo podman run -d --name official-httpd -p 8180:80 quay.io/redhattraining/httpd-parent Error: error creating container storage: the container name "official-httpd" is already in use by "ba5df518d29738d3d30d7eff6ed94421f236f48e123a60e511354d7ca16e0220". You have to remove that container to be able to reuse that name.: that name is already in use [student@workstation ~]$ sudo podman images REPOSITORY TAG IMAGE ID CREATED SIZE localhost/do180/mynginx v1.0-SNAPSHOT b88f4f133a76 22 hours ago 131 MB localhost/do180-custom-httpd latest c38e798ab85d 23 hours ago 236 MB quay.io/redhattraining/nginx 1.17 9beeba249f3e 13 months ago 131 MB quay.io/redhattraining/httpd-parent latest 4346d3cace25 2 years ago 236 MB [student@workstation ~]$ sudo podman ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES [student@workstation ~]$ sudo podman ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES d1a1539b20ef localhost/do180/mynginx:v1.0-SNAPSHOT nginx -g daemon o... 22 hours ago Exited (0) 22 hours ago 0.0.0.0:8080->80/tcp official-nginx-dev 926cce98f30d quay.io/redhattraining/nginx:1.17 nginx -g daemon o... 23 hours ago Exited (0) 22 hours ago 0.0.0.0:8080->80/tcp official-nginx ba5df518d297 quay.io/redhattraining/httpd-parent:latest /bin/sh -c /usr/s... 23 hours ago Exited (0) 23 hours ago 0.0.0.0:8180->80/tcp official-httpd [student@workstation ~]$ ^C [student@workstation ~]$ sudo podman rm ba5df518d297 ba5df518d29738d3d30d7eff6ed94421f236f48e123a60e511354d7ca16e0220 [student@workstation ~]$ sudo podman run -d --name official-httpd -p 8180:80 quay.io/redhattraining/httpd-parent ab6e601dd8eaafea90057a6ff3165b09e1bd2d3c57f16cd82820d3e621ab64a5 [student@workstation ~]$ sudo podman exec -it official-httpd /bin/bash bash-4.4# echo "DO180 Page" > /var/www/html/do180.html bash-4.4# curl 127.0.0.1:8180/do180.html curl: (7) Failed to connect to 127.0.0.1 port 8180: Connection refused bash-4.4# exit exit Error: non zero exit code: 7: OCI runtime error [student@workstation ~]$ curl 127.0.0.1:8180/do180.html DO180 Page [student@workstation ~]$ sudo podman diff official-httpd C /root A /root/.bash_history C /run/httpd A /run/httpd/cgisock.1 A /run/httpd/httpd.pid C /tmp C /var C /var/log C /var/log/httpd A /var/log/httpd/access_log A /var/log/httpd/error_log C /var/www C /var/www/html A /var/www/html/do180.html [student@workstation ~]$ sudo podman stop official-httpd ab6e601dd8eaafea90057a6ff3165b09e1bd2d3c57f16cd82820d3e621ab64a5 [student@workstation ~]$ sudo podman commit -a 'vnjsharma' official-httpd do180-custom-httpd Getting image source signatures Copying blob 24d85c895b6b skipped: already exists Copying blob c613b100be16 skipped: already exists Copying blob 574bcc187eda skipped: already exists Copying blob 7f9108fde4a1 skipped: already exists Copying blob 48dc04419440 done Copying config 3060638076 done Writing manifest to image destination Storing signatures 30606380765386d17ada63001e771e9660e2c3a2a86679bc047212abaa0f1b39 [student@workstation ~]$ sudo podman images REPOSITORY TAG IMAGE ID CREATED SIZE localhost/do180-custom-httpd latest 306063807653 12 seconds ago 236 MB localhost/do180/mynginx v1.0-SNAPSHOT b88f4f133a76 23 hours ago 131 MB c38e798ab85d 23 hours ago 236 MB quay.io/redhattraining/nginx 1.17 9beeba249f3e 13 months ago 131 MB quay.io/redhattraining/httpd-parent latest 4346d3cace25 2 years ago 236 MB [student@workstation ~]$ cat /usr/local/etc/ocp4.config cat: /usr/local/etc/ocp4.config: No such file or directory [student@workstation ~]$ cd /usr/local/etc/ [student@workstation etc]$ ls ocp4.defaults [student@workstation etc]$ sudo podman whoami Error: unrecognized command podman whoami Try 'podman --help' for more information. [student@workstation etc]$ podman whoami Error: unrecognized command podman whoami Try 'podman --help' for more information. [student@workstation etc]$ podman help manage pods and images

Usage: podman [flags] podman [command]

Available Commands: attach Attach to a running container build Build an image using instructions from Containerfiles commit Create new image based on the changed container container Manage Containers cp Copy files/folders between a container and the local filesystem create Create but do not start a container diff Inspect changes on container's file systems events Show podman events exec Run a process in a running container export Export container's filesystem contents as a tar archive generate Generated structured data healthcheck Manage Healthcheck help Help about any command history Show history of a specified image image Manage images images List images in local storage import Import a tarball to create a filesystem image info Display podman system information init Initialize one or more containers inspect Display the configuration of a container or image kill Kill one or more running containers with a specific signal load Load an image from container archive login Login to a container registry logout Logout of a container registry logs Fetch the logs of a container mount Mount a working container's root filesystem network Manage Networks pause Pause all the processes in one or more containers play Play a pod pod Manage pods port List port mappings or a specific mapping for the container ps List containers pull Pull an image from a registry push Push an image to a specified destination restart Restart one or more containers rm Remove one or more containers rmi Removes one or more images from local storage run Run a command in a new container save Save image to an archive search Search registry for image start Start one or more containers stats Display a live stream of container resource usage statistics stop Stop one or more containers system Manage podman tag Add an additional name to a local image top Display the running processes of a container umount Unmounts working container's root filesystem unpause Unpause the processes in one or more containers unshare Run a command in a modified user namespace varlink Run varlink interface version Display the Podman Version Information volume Manage volumes wait Block on one or more containers

Flags: --cgroup-manager string Cgroup manager is not supported in rootless mode --cni-config-dir string Path of the configuration directory for CNI networks --config string Path of a libpod config file detailing container server configuration options --conmon string Path of the conmon binary --cpu-profile string Path for the cpu profiling results --events-backend string Events backend to use --help Help for podman --hooks-dir strings Set the OCI hooks directory path (may be set multiple times) --log-level string Log messages above specified level: debug, info, warn, error, fatal or panic (default "error") --namespace string Set the libpod namespace, used to create separate views of the containers and pods on the system --network-cmd-path string Path to the command for configuring the network --root string Path to the root directory in which data, including images, is stored --runroot string Path to the 'run directory' where all state information is stored --runtime string Path to the OCI-compatible binary used to run containers, default is /usr/bin/runc --storage-driver string Select which storage driver is used to manage storage of images and containers (default is overlay) --storage-opt stringArray Used to pass an option to the storage driver --syslog Output logging information to syslog as well as the console --tmpdir string Path to the tmp directory --trace Enable opentracing output -v, --version Version of podman

Use "podman [command] --help" for more information about a command. [student@workstation etc]$ podman login Error: please specify a registry to login to [student@workstation etc]$ source /usr/local/etc/ocp4.config bash: /usr/local/etc/ocp4.config: No such file or directory [student@workstation etc]$ cd ~ [student@workstation ~]$ sudo podman tag do180-custom-httpd quay.io/vnjsharma/do180-custom-httpd:v1.0^C [student@workstation ~]$ sudo podman images REPOSITORY TAG IMAGE ID CREATED SIZE localhost/do180-custom-httpd latest 306063807653 8 minutes ago 236 MB localhost/do180/mynginx v1.0-SNAPSHOT b88f4f133a76 23 hours ago 131 MB c38e798ab85d 24 hours ago 236 MB quay.io/redhattraining/nginx 1.17 9beeba249f3e 13 months ago 131 MB quay.io/redhattraining/httpd-parent latest 4346d3cace25 2 years ago 236 MB [student@workstation ~]$ sudo podman tag do180-custom-httpd quay.io/vnjsharma/do180-custom-httpd:v1.0 [student@workstation ~]$ sudo podman images REPOSITORY TAG IMAGE ID CREATED SIZE localhost/do180-custom-httpd latest 306063807653 9 minutes ago 236 MB quay.io/vnjsharma/do180-custom-httpd v1.0 306063807653 9 minutes ago 236 MB localhost/do180/mynginx v1.0-SNAPSHOT b88f4f133a76 23 hours ago 131 MB c38e798ab85d 24 hours ago 236 MB quay.io/redhattraining/nginx 1.17 9beeba249f3e 13 months ago 131 MB quay.io/redhattraining/httpd-parent latest 4346d3cace25 2 years ago 236 MB [student@workstation ~]$ sudo podman push quay.io/vnjsharma/do180-custom-httpd:v1.0 Getting image source signatures Copying blob 48dc04419440 done Copying blob 7f9108fde4a1 skipped: already exists Copying blob c613b100be16 skipped: already exists Copying blob 574bcc187eda skipped: already exists Copying blob 24d85c895b6b skipped: already exists Error: Error copying image to the remote destination: Error writing blob: Error initiating layer upload to /v2/vnjsharma/do180-custom-httpd/blobs/uploads/ in quay.io: unauthorized: access to the requested resource is not authorized [student@workstation ~]$ sudo podman logout Error: registry must be given [student@workstation ~]$ sudo podman logout quay.io Removed login credentials for quay.io [student@workstation ~]$ sudo podman login quay.io Username: vnjsharma Password: Login Succeeded! [student@workstation ~]$ sudo podman push quay.io/vnjsharma/do180-custom-httpd:v1.0 Getting image source signatures Copying blob 48dc04419440 done Copying blob 24d85c895b6b skipped: already exists Copying blob 574bcc187eda skipped: already exists Copying blob 7f9108fde4a1 skipped: already exists Copying blob c613b100be16 skipped: already exists Copying config 3060638076 done Writing manifest to image destination Copying config 3060638076 done Writing manifest to image destination Writing manifest to image destination Storing signatures [student@workstation ~]$