## must be root
Sudo su

## navigate to root folder
cd /

## Exclude unnecessary folders and start backup
tar cvpzf backup.tgz --exclude=/proc --exclude=/lost+found --exclude=/backup.tgz --exclude=/mnt --exclude=/sys /

## restoration
tar xvpfz backup.tgz -C /

## create excluded folders
mkdir proc
mkdir lost+found
mkdir mnt
mkdir sys