Linux/Backup: Difference between revisions

Latest revision as of 06:12, 15 June 2020

DD

Backup

simple backup to image file

dd if=/dev/sda | gzip > image.dd.gz

gzip image without dd

gzip -c < /dev/hda1 > /tmp/partition_image.gz

bootloader

dd if=/dev/sda of=bootloader.img bs=446 count=1

MBR + partitiontable

fdisk -lu
dd if=/dev/sda of=mbr.img bs=512? count=1? 63?

Backup over network

Target

netcat -l 5555 | dd of=image.dd.gz

Source

dd if=/dev/sda | pv | pigz --best | netcat $TargetIP 5555

Status

dd status

while /bin/true; do sleep 5; kill -USR1 `pidof dd`; done

or

watch -n N kill -USR1 `pidof dd`

pv

dd if=/dev/sda | pv | dd of=image.dd

pv -s 60G    -> for estimate

Loop

mount image as loop

mkdir /mnt/loop
mount -o loop image.dd /mnt/loop
umount /mnt/loop

rsync

rsync -v -P -r --delete --bwlimit=10000 /mnt/vm-host_backup/05_vm-host /mnt/backup

other

dd random

dd if=/dev/random bs=1M count=256 | gzip >./256-MB-random-data.bin

Backup Manager

/backup (ln /filesystem/80_backup/10_autobackup)
/backup/!backupmanager
/backup/10_vm-host

Backup Software

BackupPC (1M+, 31*
Duplicity (500k+, 14*)
Duplicati (10M+, 139*)
Borg (1M+, 16*)
Bacula
Restic (10M+, 16*)
UrBackup (5M+, 23*)
BackupNinja

Links

@@ Line 8: / Line 8: @@
 </blockquote>
-* gzip image ohne dd
+* gzip image without dd
 <blockquote>
 <pre>
@@ Line 15: / Line 15: @@
 </blockquote>
+* bootloader
+<blockquote>
+<pre>
+dd if=/dev/sda of=bootloader.img bs=446 count=1
+</pre>
+</blockquote>
+* MBR + partitiontable
+<blockquote>
+<pre>
+fdisk -lu
+dd if=/dev/sda of=mbr.img bs=512? count=1? 63?
+</pre>
+</blockquote>
+=== Backup over network ===
+* Target
+<blockquote>
+<pre>
+netcat -l 5555 | dd of=image.dd.gz
+</pre>
+</blockquote>
+* Source
+<blockquote>
+<pre>
+dd if=/dev/sda | pv | pigz --best | netcat $TargetIP 5555
+</pre>
+</blockquote>
+=== Status ===
 * dd status
 <blockquote>
 <pre>
 while /bin/true; do sleep 5; kill -USR1 `pidof dd`; done
+</pre>
+</blockquote>
-oder
+:: or
+<blockquote>
+<pre>
 watch -n N kill -USR1 `pidof dd`
 </pre>
 </blockquote>
+* pv
+<blockquote>
+<pre>
+dd if=/dev/sda | pv | dd of=image.dd
+pv -s 60G    -> for estimate
+</pre>
+</blockquote>
+=== Loop ===
+* mount image as loop
+<blockquote>
+<pre>
+mkdir /mnt/loop
+mount -o loop image.dd /mnt/loop
+umount /mnt/loop
+</pre>
+</blockquote>
+== rsync ==
+<blockquote>
+<pre>
+rsync -v -P -r --delete --bwlimit=10000 /mnt/vm-host_backup/05_vm-host /mnt/backup
+</pre>
+</blockquote>
 === other ===
@@ Line 35: / Line 98: @@
 </pre>
 </blockquote>
+== Backup Manager ==
+* /backup      (ln /filesystem/80_backup/10_autobackup)
+* /backup/!backupmanager
+* /backup/10_vm-host
+== Backup Software ==
+* BackupPC (1M+, 31*
+* Duplicity (500k+, 14*)
+* Duplicati (10M+, 139*)
+* Borg (1M+, 16*)
+* Bacula
+* Restic (10M+, 16*)
+* UrBackup (5M+, 23*)
+* BackupNinja
 == Links ==
@@ Line 44: / Line 124: @@
 * http://forums.veeam.com/viewtopic.php?p=51838
 * http://www.mattcutts.com/blog/backup-gmail-in-linux-with-getmail/ (Backup pop/imap account)
+* http://www.myslug.de/index.php?title=Backupmaschine
+[[Category:Linux/Bash]]
+[[Category:Linux]]