https://severalnines.com/blog/using-barman-backup-postgresql-overview/ https://docs.pgbarman.org/release/3.3.0/#postgresql-clientserver-binaries https://dba.stackexchange.com/questions/257833/is-it-possible-to-take-full-and-differential-backup-in-postgresql-like-sql-serve https://docs.pgbarman.org/release/3.3.0/#requirements-for-backup
https://www.youtube.com/watch?v=kkrLanotz1I
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/storage_administration_guide/s1-nfs-security#s3-nfs-security-hosts-nfsv4 https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/storage_administration_guide/s1-nfs-security#s3-nfs-security-hosts-nfsv4 https://www.digitalocean.com/community/tutorials/how-to-set-up-an-nfs-mount-on-ubuntu-20-04