---- "Trent W. Buck" <[email protected]> wrote: > Russell Coker <[email protected]> writes: > > > On Wed, 23 Apr 2014 16:13:13 Craig Sanders wrote: > >> dd would perform an exact byte-by-byte duplicate of the *entire* disk > >> *every* single time you performed the backup. rsync only backs up the > >> files that have changed since the last backup. > > > > One thing that DD is good for is the boot loader. > > You wouldn't need to backup the bootloader if you used syslinux. > It's mbr.bin is static and dumb and the same everywhere. > The only smarts are in the PBR and ./ldlinux.sys (which is chattr -i on > ext, and completely hidden on btrfs). > > It makes life much easier when a stupid installer hoses the MBR, because > instead of booting a live CD and hoping the CD has a similar enough > version of grub and then doing grub-install or whatever, you just > > cat mbr.bin >/dev/sda
Or boot off a liveCD mount your filesystem and chroot into your filesystem to reinstall your grub. I have had to do this more than once, when trying out stupid installers. cheers Robert > _______________________________________________ > luv-main mailing list > [email protected] > http://lists.luv.asn.au/listinfo/luv-main _______________________________________________ luv-main mailing list [email protected] http://lists.luv.asn.au/listinfo/luv-main
