Moodle

https://docs.moodle.org/311/en/PostgreSQL

https://andreyex.ru/ubuntu/ustanovka-postgresql-s-phppgadmin-na-ubuntu-16-04/

https://selectel.ru/blog/postgresql-backup-tools/

https://linuxconfig.org/ubuntu-20-04-postgresql-installation

https://stackoverflow.com/questions/19134471/rsync-over-ssh-delete-existing-files

https://bozza.ru/art-190.html

https://losst.ru/ustanovka-lamp-v-ubuntu-20-04

https://timeweb.com/ru/community/articles/kak-ustanovit-stek-lamp-na-ubuntu-20-04

https://stackoverflow.com/questions/13497352/error-permission-denied-for-relation-tablename-on-postgres-while-trying-a-selec