Devuan GNU+Linux is a free software operating system for your computer. Free software means you are free to use, copy and distribute, study, change the software, and share your modifications with the community.

Migrate from Debian Stretch to Beowulf

These instructions are for migrating from the Debian Stretch release only. When migrating to Beowulf the instructions are specific to the Debian release you're coming from and should be followed only as written.

It's necessary to configure your network before you begin, otherwise you will lose network access during the migration.

For migration from Stretch you need to install sysvinit-core before continuing.

root@debian:~# apt-get install sysvinit-core

To prevent hanging after a reboot libpam-systemd needs to be removed. This may remove your desktop but we will install it again later.

root@debian:~# apt-get purge libpam-systemd

Next change the sources.list to point to the Beowulf repositories.

root@debian:~# editor /etc/apt/sources.list

Make your sources.list look like the one provided. Comment out all other lines.

deb beowulf main
deb beowulf-updates main
deb beowulf-security main
#deb beowulf-backports main

Now update the package lists from the Beowulf repositories.

root@debian:~# apt-get update

The Devuan keyring should now be installed so that packages can be authenticated.

root@debian:~# apt-get install devuan-keyring --allow-unauthenticated

Update the package lists again so that packages are authenticated from here on in.

root@debian:~# apt-get update

The libtinfo package needs to be upgraded to prevent breaks.

root@debian:~# apt-get install libtinfo6

Upgrade your packages so that you have the latest versions. Note that this does not complete the migration.

root@debian:~# apt-get upgrade

A reboot is required to change sysvinit to pid1.

root@debian:~# reboot

The last step before migration is to switch to eudev.

root@debian:~# apt-get install eudev

Now you can perform the migration. For Stretch migrations issuing a full-upgrade is recommended.

root@debian:~# apt-get full-upgrade

If anything breaks you need to fix it then issue a full upgrade again.

root@debian:~# apt-get -f install
root@debian:~# apt-get full-upgrade

If you don't have a desktop at this point you should install one now. The default in Devuan is XFCE.

root@devuan:~# apt-get install task-xfce-desktop

Or you can install Gnome instead if you want to continue using it.

root@devuan:~# apt-get install task-gnome-desktop

It's now safe to remove systemd.

root@devuan:~# apt-get purge systemd

You can now remove any packages orphaned by the migration process, and any unusable archives left over from your Debian install.

root@devuan:~# apt-get autoremove --purge
root@devuan:~# apt-get autoclean

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