mantis backup/restore

create backup:
mysqldump -u root --password=***** mantis > /home/backup/mantis.$(date
+%T-%b-%Y).db
restore backup:
mysql -u root --password=***** mantis < /home/backup/mantis.db

alternative commands (if some errors about : tables allready exists)
backup:
mysqldump --opt -u root --password=***** mantis >
/home/backup/mantis.$(date +%T-%b-%Y).db
restore:
mysql --force -u root --password=***** mantis < /home/backup/mantis.db