Debarshi Ray
f064121de5
Currently, krb5-libs is pulled in by various other packages that are
already part of the fedora-toolbox OCI image. Unless someone is keeping
a close eye on the contents of the image, a change in the package
dependencies or the contents of the base fedora OCI image can cause
krb5-libs to go missing from the fedora-toolbox image.
This would be undesirable because toolbox(1) relies on the presence
of the /etc/krb5.conf file and the /etc/krb5.conf.d directory to set
up Kerberos inside a toolbox container, and those are provided by the
krb5-libs package.
Therefore, explicitly listing krb5-libs prevents us from accidentally
losing Kerberos integration in toolbox containers, and doesn't cost us
anything because it's already part of the image anyway.
This reverts commit
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Toolbox — Unprivileged development environment
Toolbox is a tool that offers a familiar RPM based environment for developing and debugging software that runs fully unprivileged using Podman.
The toolbox container is a fully mutable container; when you see
yum install ansible for example, that's something you can do inside your
toolbox container, without affecting the base operating system.
This is particularly useful on OSTree based Fedora systems like Silverblue. The intention of these systems is to discourage installation of software on the host, and instead install software as (or in) containers.
However, this tool doesn't require using an OSTree based system — it works equally well if you're running e.g. existing Fedora Workstation or Server, and that's a useful way to incrementally adopt containerization.
The toolbox environment is based on an OCI
image. On Fedora this is the fedora-toolbox image. This image is then
customized for the current user to create a toolbox container that seamlessly
integrates with the rest of the operating system.
Usage
Create your toolbox container:
[user@hostname ~]$ toolbox create
[user@hostname ~]$
This will create a container, and an image, called
fedora-toolbox-<your-username>:<version-id> that's specifically customised
for your host user.
Enter the toolbox:
[user@hostname ~]$ toolbox enter
🔹[user@toolbox ~]$