How to log in to recovery mode in Ubuntu
Recovery mode helps to fix file system error and enable us to get the console to execute commands
also by enabling networking we can install new and upgrade existing software.
Basic System administration tools you will get here in recovery mode to fix your issue.
Will go in details how to log in to recovery mode in Ubuntu and details about the tools available.
Steps to log in to Recovery Mode
Once you switch on your machine , wait till BIOS finished loading, also you will see a logo of the computer manufacturer.
Then press and hold the shift key till it shows the GRUB Menu. If you missed then you can repeat the process again to get the GRUB MENU.
GRUB MENU will appear as shown in Image – 1
From the drop down select Advanced options for Ubuntu and press enter
then from next page select first kernel with (Recovery mode) and press enter as shown in Image – 2
Finally recovery Menu page will come as read only mode with all the tools.
resume – Resume normal boot – when you select this option, It only reboot to the normal window
clean – Try to make free space – when you select this option, it auto remove cache files
dpkg – Repair broken packages – when you select this option, it fixes the broken packages
failsafex – Run in failsafe graphics mode – when you select this option, it enables you to reconfigure graphics.
fsck – Check all file systems – when you select this option, it check and repair consistency of file
grub – Update grub boot loader – when you select this option, it gives a option to update grub boot loader
network – Enable networking – when you select this option, it can connect to internet through Ethernet and can run update
root – Drop to root shell prompt – when you select this option, it enables you to fix issue from here, first we need to mount it as read write so that commands will work. mount -o remount,rw /
System-summary – When you select this option, it only shows system summary
as shown in image – 3
With the help of all above tools we can solve many issues. I can say life saver tools to fix issues like when we are updating from one version to another Ubuntu and it crashed in between .. we can fix it using above tool to repair broken packages and running some commands.
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