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# Listener: nc -v -l -p 30000 > hda1.img # or nc -v -l -p 30000 | dd of=/dev/hda1 # Source: dd_rescue /dev/hda1 - | nc 192.168.1.2 30000 -w 3 # or dd if=/dev/hda1 | nc 192.168.1.2 30000 -w 3 # clone disk via dd dd if=/dev/hda of=/dev/hdc Notice: adjust the options to improve performance, for example adjusting blocksize (bs=...) is strongly recommended. tar cvzSf - directory/ | ssh foobar@target "dd of=/path/to/file.tgz" export RSYNC_RSH=ssh; rsync -a /mystuff foobar@target_machine:~/ # clone disk via pcopy: touch /tmp/diskimage.img pcopy /dev/hda /tmp/diskimage.img # This one uses CPU cycles on the remote server to compare the files: ssh target_address cat remotefile | diff - localfile cat localfile | ssh target_address diff - remotefile # This one uses CPU cycles on the local server to compare the files: ssh target_address cat <localfile "|" diff - remotefile # push via ftp: lftp user@host:/path mirror -R source target # pull via ftp: lftp user@host:/path mirror source target # Moving files around on local filesystem: ( cd SOURCEDIR && tar cf - . ) | (cd DESTDIR && tar xvpf - ) # ... ssh target_address "( nc -l -p 9210 > remotefile & )" && cat source-file | gzip -1 - | nc target_address 9210 # backup specific directories via cpio and ssh: for f in directory_list; do find $f >> backup.list done cpio -v -o --format=newc < backup.list | ssh user@host "cat > backup_device" # overwrite your first hard disk with null bytes: dd if=/dev/zero of=/dev/hda # securely erase files/partitions (please take a look at the # manpage for some more information regarding security of deleting): wipe -kq /dev/hda1 # clone using dump: mke2fs -j /dev/target mkdir -p /mnt/{source,target} &&\ mount /dev/target /mnt/target &&\ mount /dev/source /mnt/source cd /mnt/target && dump -0f - /mnt/source | restore rf -
aimage /dev/sda1 sda1.aff …..then: afcat sda1.aff | dd of=/dev/sdb1