![]() ![]() The purpose of this exercise is to be able to create a backup image of sda1 while it is unmounted to sdb1 using nothing but SSH. ![]() What I am trying to accomplish (via SSH konsole) is to change the boot device from sda1 to sdb1, then issue a reboot so that when it reboots sdb1 loads its copy of ubuntu, next I can create a backup image of sda1 and store it as a compressed image file on sdb1, after creating the backup image I would then want to change the boot drive back to sda1. Normally the computer boots and operates from sda1. The only purpose of sdb1 is to hold compressed backups of sda1 ![]() I have two hard drives each with one primary partition, each with their own Ubuntu 18.04 install ![]()
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