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--- services:podman [2024/12/19 14:13] – jas
+++ services:podman [2025/04/02 13:43] (current) – jas
@@ Line 1: / Line 1: @@
 ====== Podman/Docker ======
-Podman (short for pod manager) is an open source tool for developing, managing, and running containers. It was developed by Red Hat engineers along with the open source community.  Docker is also an open platform for developing, shipping, and running applications.
+Podman (short for Pod Manager) is an open source tool for developing, managing, and running containers. It was developed by Red Hat engineers along with the open source community.  Docker is also an open platform for developing, shipping, and running applications.
-EECS Linux systems run a Red Hat Enterprise Linux compatible operating system.  Podman is installed by default. As a result, Podman is the only supported container environment on EECS tech supported systems.
+EECS Linux systems run a Red Hat Enterprise Linux compatible operating system called Rocky Enterprise Linux.  Podman is installed by default.  Podman is the only supported container environment on EECS tech supported systems.
 Fortunately, both Podman and Docker support the same image format, so you can generally use Docker images with Podman and vice versa. Images built with Docker-specific features might require minor adjustments to work with Podman.
-In order to use Podman on a tech-supported EECS Linux system, you must be a member of a research group that has its own servers with local storage. In order to use Podman:
+In order to use Podman on a tech-supported EECS Linux system, you must be a member of a research group that has its own servers with **local** storage.
-) Request permission to use Podman by sending an email to tech.  Please include your research group, and the server name where you would like to use containers.  Tech will allocate a uniqe uid/gid range for your container.
+) Request permission to use Podman by sending an email to tech.  Please include your research group, and the server name where you would like to use containers.  Tech will allocate a uniqe uid/gid range for your containers.
-) By default, Podman will use the following directory within your EECS home directory for container storage: $HOME/.local/share/containers/storage. However, your home directory is a network share, and that is not supported for Podman sotrage.  You must configure Podman to use local storage on your server (eg. /local/home/<user>).  Here's how you will configure that:
+) By default, Podman will use your EECS home directory for container storage ($HOME/.local/share/containers/storage). Your home directory is a network share which is not supported for container storage.  It also has limited storage space.  Configure Podman to use storage that is **local** to the server (eg. /local/home/<user>).  Here's how you will configure that:
-a) Create a **local directory** for Podman storage:
+a) Get rid of any old Podman configuration in your account:
-  % mkdir /local/home/<user>/container-storage
-b) Get rid of any old Podman configuration in your acocunt:
   % rm -rf ~/.local/share/containers/storage
   % rm -f ~/.config/containers
-c) Copy the default Podman storage configuration file:
+b) Copy the default Podman storage configuration file to your home directory:
   % mkdir $HOME/.config/containers
   % cp /etc/containers/storage.conf $HOME/.config/containers/storage.conf
-d) Update $HOME/.config/containers/storage.conf.
+c) Update $HOME/.config/containers/storage.conf.
 Replace:
@@ Line 35: / Line 31: @@
 with:
-  runroot = "/local/home/jas/containers/storage/runroot"
+  runroot = "/local/home/<user>/containers/storage/runroot"
 Also replace:
@@ Line 45: / Line 41: @@
   graphroot = "/local/home/<user>/containers/storage"
+Of course, replace <user> with your username.
+NOTE: For temporary purposes, you can also specify the container storage location on the command to the podman command instead of configuring it as above:
+  podman --root /tmp/<user>/storage --runroot /tmp/<user>/runstorage <command>
 ) Now you can test container storage:
@@ Line 79: / Line 80: @@
 Mastodon:  @Podman_io@fosstodon.org
 </code>
+Podman has now been setup in your account.
 For more information on Podman: