File Permissions - chmod



rado84

Active Member
That's a nice tutorial but I found a lot easier way - with fstab: just add "uid=1000" in the options for each partition you want to be its owner, reboot and that's it.

Code:
UUID=79efb309-826e-40a7-a786-7b83b682dcb4 /               ext4    errors=remount-ro 0       1
UUID=88FCD635FCD61CEE /media/rado/Drive_D               ntfs    errors=remount-ro,uid=1000 0       1
UUID=6F01A23F6CA00FCF /media/rado/Drive_E               ntfs    errors=remount-ro,uid=1000 0       1
 

wizardfromoz

Super Moderator
Staff member
Gold Supporter
You are already uid=1000 by default, as the first normal (non-root) user set up by the system.

Code:
grep 1000 /etc/passwd
... should show rado and 1000

Also, although you may only be showing an example above with the NTFS partitions/drives, that method might have relevance if you are playing games that were Windows-based and you want to be able to access them (say, under Steam or Proton) under Linux so as not to have to set up new files, but other than that you are lowering security.

@Rob has, at the beginning

We will show you how to understand file permission symbols and how to modify certain files so that they're more secure.
My highlighting.

Besides, in Linux, you already have root privileges over Windows NTFS files and folders.

An example is here

Code:
[email protected]:~$ cd /media/chris/OS/Windows/System32/GroupPolicy
[email protected]:/media/chris/OS/Windows/System32/GroupPolicy$ ls -l
total 1
-rwxrwxrwx 1 chris chris 128 Mar  5 13:45 GPT.INI
drwxrwxrwx 1 chris chris   0 Feb  2 13:07 Machine
drwxrwxrwx 1 chris chris   0 Feb  2 13:07 User
So I already own those files and folders, without having to change anything.

Chmod (this Tutorial's subject) and chown are designed to be able to change the defaults of user access as part of a secure plan by the Administrator, as well as, in the case of chown, modifying downloaded files to make them executable.

Again as Rob has said, in 2013,

chmod 777 mydoc.txt read, write, execute for all! (may not be the best plan in the world...)
Whatever works for you with fstab, though, is great, it is a very useful file.

Cheers

Chris Turner
wizardfromoz
 

wizardfromoz

Super Moderator
Staff member
Gold Supporter
setuid

Welcome to linux.org @shadow543 :). Google under

linux srwxrwxr-x

... and you will find some good reading.

Cheers

Chris Turner
wizardfromoz
 

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