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(Created page with "== Fix RedHat boot == === hostDestination === <pre> diskMy=sda backupDir=~/$(hostname).$(date -u +"%Y-%m-%dT%H_%M_%SZ") mkdir "${backupDir}" cd "${backupDir}" dd if=/dev/${di...")
 
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Line 37: Line 37:
restoreDir=
restoreDir=
cd "${restoreDir}"
cd "${restoreDir}"
dd if=/dev/${diskMy} of=${diskMy}.mbr bs=512 count=1
dd if=/dev/${diskMy}1 |gzip >${diskMy}1.dd.gz


cd $(ls -1td ~/* |head -1)
dd if=${diskMy}.mbr of=/dev/${diskMy} bs=512 count=1
 
zcat sda1.dd.gz |dd of=/dev/${diskMy}1
zcat $(ls -1t *.dd.gz |head -1) |dd of=/dev/${diskMy}
</pre>
</pre>

Revision as of 11:11, 13 November 2017

Fix RedHat boot

hostDestination

diskMy=sda

backupDir=~/$(hostname).$(date -u +"%Y-%m-%dT%H_%M_%SZ")
mkdir "${backupDir}"
cd "${backupDir}"
dd if=/dev/${diskMy}1 |gzip >${diskMy}1.dd.gz
dd if=/dev/${diskMy} of=${diskMy}.mbr bs=512 count=1

hostSource

hostDestination=
diskMy=sda

backupDir=~/$(hostname).$(date -u +"%Y-%m-%dT%H_%M_%SZ")
mkdir "${backupDir}"
cd "${backupDir}"
dd if=/dev/${diskMy}1 |gzip >${diskMy}1.dd.gz
dd if=/dev/${diskMy} of=${diskMy}.mbr bs=512 count=1

ssh root@${hostDestination} -c 'mkdir '"${backupDir}"

scp -p * root@${hostDestination}:"${backupDir}"/.

hostDestination

diskMy=sda

backupDir=~/$(hostname).$(date -u +"%Y-%m-%dT%H_%M_%SZ")
mkdir "${backupDir}"
cd "${backupDir}"
dd if=/dev/${diskMy}1 |gzip >${diskMy}1.dd.gz
dd if=/dev/${diskMy} of=${diskMy}.mbr bs=512 count=1

restoreDir=
cd "${restoreDir}"

dd if=${diskMy}.mbr of=/dev/${diskMy} bs=512 count=1
zcat sda1.dd.gz |dd of=/dev/${diskMy}1