Backup Linux OS

Backup:

sudo su

cd /

tar cvpzf backup.tgz --exclude=/proc --exclude=/lost+found --exclude=/backup.tgz --exclude=/mnt --exclude=/sys  /

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Restore:

sudo su

cd /

tar xvpfz backup.tgz -C /

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Create all directories that are not backed up

mkdir /proc 

mkdir /lost+found 

mkdir /mnt 

mkdir /sys

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reboot