#gen key
gpg --gen-key
#backup without key
duplicity ./demo sftp://andrea@demo/backups/demo/
#backup with key
duplicity --encrypt-key 05AB3DF5 ./demo sftp://andrea@demo/backups/demo/
#force full backup
duplicity full --encrypt-key 05AB3DF5 ./demo sftp://andrea@demo/backups/demo/
#list current files
duplicity list-current-files --encrypt-key 2E4D26D1 sftp://andrea@demo/backups/demo
#see collection status

#restore
duplicity --encrypt-key 05AB3DF5 sftp://andrea@demo/backups/demo/ ./restore


#crontab example
0 21 * * 1-6 duplicity --encrypt-key XXXX /home/andrea/code/demo sftp://andrea@demo/backups/demo 

0 21 * * 7 duplicity full --encrypt-key XXXX /home/andrea/code/demo sftp://andrea@demo/backups/demo 

30 20 * * 7 duplicity --encrypt-key 05AB3DF5 remove-older-than 90D sftp://andrea@demo/backups/demo 

#tell what is a signing key and cite anacron