I am an Engineering Physics graduate from IIT Guwahati, but merely not restricted to Physics itself. In the past few years, I involved in many Cybersecurity blogging and now on Open-source.
I could not point out your issue clearly because of less information, but one thing is for certain, your user account was not given access. I have two suggestive solutions for you.
The first one is to do everything after having admin access rather than through sudo privileges, i.e, use sudo su and repeat the process without sudo.
If you don't want to use your root account, I would suggest you go through this alternative. sudo disable_verity and reboot your machine sudo reboot and retry the process.
Have a look at what disable_verity does, because many of the users are facing problems in apps like Libre Documents and Microsoft Excel or other Doc related Applications.
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After
sudo enter-chrootand attempting to run themountcommand, I received:mount: cannot remount /dev/mapper/vroot read-write, is write-protectedCan you advise?
I could not point out your issue clearly because of less information, but one thing is for certain, your user account was not given access. I have two suggestive solutions for you.
The first one is to do everything after having admin access rather than through sudo privileges, i.e, use
sudo suand repeat the process without sudo.If you don't want to use your root account, I would suggest you go through this alternative.
sudo disable_verityand reboot your machinesudo rebootand retry the process.Have a look at what disable_verity does, because many of the users are facing problems in apps like Libre Documents and Microsoft Excel or other Doc related Applications.