Updated about 5 years ago by Jamila Khan
check which sources exist that point to stretch
cd /etc/apt grep -nr stretch .
Edit the main list, and any others that come up
vim /etc/apt/sources.list
:%s/stretch/buster/g
apt-get -o APT::Get::Trivial-Only=true dist-upgrade
apt-get update
apt-get upgrade
apt-get dist-upgrade
mysql_upgrade
encryption = none
just above the passphraseNewest version of mariadb doesn't have separate databases for information schema or performance schema, so remove the old backups of those.
cd /var/backups/mysql/sqldump rm information_schema.sql.gz rm performance_schema.sql.gz
Need to re-replace the backupninja binary in /usr/sbin/backupninja https://redmine.palantetech.coop/projects/pt/wiki/Icinga2#Backupninja-monitoring