Creating Fedora chroots on Debian, Gentoo, … easily 2017-02-18


Just a quick tip on how to easily create a Fedora chroot environment from (even a non-Fedora) Linux distribution.

I am going to show the process on Debian stretch but it’s not be much different elsewhere.

Since I am going to leverage pip/PyPI, I need it available — that and a few non-Python widespread dependencies:

# apt install python-pip db-util lsb-release rpm yum
# pip install image-bootstrap pychroot

Now for the actual chroot creation, process and usage is very close to debootstrap of Debian:

# directory-bootstrap fedora --release 25 /var/lib/fedora_25_chroot

Done. Now let’s prove we have actual Fedora 25 in there. For lsb_release we need package redhat-lsb here, but the chroot was is functional before that already.

# pychroot /var/lib/fedora_25_chroot dnf -y install redhat-lsb
# pychroot /var/lib/fedora_25_chroot lsb_release -a
LSB Version:    :core-4.1-amd64:core-4.1-noarch:[..]:printing-4.1-noarch
Distributor ID: Fedora
Description:    Fedora release 25 (Twenty Five)
Release:        25
Codename:       TwentyFive

Note the use of pychroot which does bind mounts of /dev and friends out of the box, mainly.

directory-bootstrap is part of image-bootstrap and, besides Fedora, also supports creation of chroots for Arch Linux and Gentoo.

See you 🙂

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