Turnkey
Configuration console
# confconsole
Upgrade from Stretch to Buster
Set containers as nested for Apache and databases to work after upgrade from stretch to buster.
Also, after PHP update, set Apache to the new version (7.0 -> 7.3).
APT Mirrors
root@wiki ~# cat /etc/apt/sources.list.d/sources.list
deb http://mirror1.hs-esslingen.de/turnkeylinux/apt/debian buster main
deb http://ftp2.de.debian.org/debian buster main
deb http://ftp2.de.debian.org/debian buster contrib
#deb http://ftp2.de.debian.org/debian buster non-free
root@wiki ~# cat /etc/apt/sources.list.d/security.sources.list
deb http://mirror1.hs-esslingen.de/turnkeylinux/apt/debian buster-security main
deb http://security.debian.org/ buster/updates main
deb http://security.debian.org/ buster/updates contrib
#deb http://security.debian.org/ buster/updates non-free