Unable to write to new poartitions

[Volker Wysk]

Am Samstag, 17. März 2018, 21:34:16 CET schrieb Bret Busby:
> Hello.
> 
> I shrank the boot partitions of teo installed operating systems, and,
> for each thence created unallocated space, I created a new sext4
> partition, to which, I assigned the respective labels Data05 and
> Data06.
> 
> I then, from within my UbuntuMATE 16.04 installation, ran sudo chmod
> 777 on each new partition, so as to enable read+write access to the
> two partitions.
> 
> But, I can not write to the two partitions.

Might they be mounted read-only? What is in your /etc/fstab?

Have you done a reboot after you changed your partitions? (Just guessing)

Bye
Volker