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Release Notes for Grml 2021.07-rc1 - codename JauKerl

NOTE: the stable release 2021.07 is already available!

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Grml is a Debian based live system focusing on the needs of system administrators. This Grml release provides fresh software packages from Debian bullseye. As usual it also incorporates up to date hardware support and fixes known bugs from previous Grml releases.

Important Changes

New features

Highlighting the most relevant changes only:


grml-live (build system for creating Grml (based) Linux live systems):

grml2usb (tool to install Grml ISO to usb device):

grml-hwinfo (tool to collect hardware information):

grml-zshrc (Zsh configuration):

grml-debootstrap (wrapper around debootstrap for installing pure Debian):

Bits & bolts


Details about shipped packages and their versions in Grml are available in the Debian section. Visit dpkg_list for a detailed list of packages shipped with Grml 2021.07(-rc1).


Packages are taken from Debian bullseye/testing as of 12th of July 2021. The following 19 packages have been added (excluding lib*, *-common, perl-*, python3-* and kernel image):

The following 12 Debian packages have been removed/replaced (excluding lib*, *-data, *-common, perl-*, python-* and kernel image):

Known issues

Please visit the known bugs web page.

Download Grml 2021.07-rc1

Grml 2021.07-rc1 can be downloaded from


Your comments, bug reports, patches, and suggestions will help fixing bugs and improving future releases. If you find a problem with the (pre-)release, please check the known bugs list and report problems using information on We also welcome feature requests and any kind of constructive feedback. If you want to reach out to the Grml team, please visit our contact webpage.


Many thanks in this release go to (alphabetically) a-wing, Chris Hofstaedtler, dann frazier, Evgeni Golov, Guillem Jover, Helmut Grohne, lunik1, Manuel Montecelo, Manuel Rom, Mihai Moldovan, Paul Menzel, Ralf Moll, Simon Bruder and Volodymyr Fedorov for their contributions.

More Information

You can find out more about Grml on our website, IRC channel, and wiki.

To sign up for future Grml announcements, please subscribe to Grml's announcement list or follow our blog.


Grml is sponsored by several companies. For more information about our sponsors check out the Sponsors webpage. Our main sponsors are:

SynPro Solutions logo
hostway logo
snel logo
Server Hunter logo