Change file permissions on hfs drive

Clash Royale CLAN TAG #URR8PPP .everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty margin-bottom:0; up vote 0 down vote favorite I was unable to boot macOS on my mac laptop. I took the drive out to try recover my documents un my ubuntu machine. I installed sudo apt-get install hfsprogs sudo apt-get install hfsplus So I could access the drive. I then mounted the drive with read and write permissions. sudo mount -t hfsplus -o force, rw /dev/sdb2 /media/user/MAC It was somewhat a success as I can view and read some of my Docuemnt folders. However to access others, I would need to change the ownership and access of the folders. I tried with sudo chown user /media/user/MAC (my user account is 'user') but im greeted with: chown: changing ownership of '/media/user/MAC/Applications/Adobe Dreamweaver CS6/Adobe Dreamweaver CS6.app/Contents/Frameworks/Xalan.framework': Read-only file system chown: changing ownership of '/media/user/MAC/App...