Backup/ Restore of file system or partition

Backup/ Restore of file system or partition.

#dump -ouf boot.dump /dev/vda1 Or /boot

o : full backup
u : update
f : file

Restore the dump backup

#restore -rf boot.dump

extra : need to install dump package and take backup of path where suffienct free space is available.

create hard disk backup
#dd if=/dev/sda of=/mnt/sdabackup

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