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Re: User rw Permissions on New Hard Drive




David Wright <deblis@xxxxxxxxxxxxxxxxx> writes:

> On Thu 28 Feb 2019 at 15:45:47 (-0500), Stephen P. Molnar wrote:
>> I am running Stretch and after much trial and tribulation, and at
>> times abject horror, I have succeeded in installing a new SSD.
>> 
>> My drive structure is:
>> 
>> comp@AbNormal:~$ lsblk
>> NAME   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
>> sda      8:0    0 465.8G  0 disk
>> ├─sda1   8:1    0 457.9G  0 part /
>> ├─sda2   8:2    0     1K  0 part
>> └─sda5   8:5    0   7.9G  0 part [SWAP]
>> sdb      8:16   0   1.8T  0 disk
>> ├─sdb1   8:17   0   1.8T  0 part /sdb1
>> ├─sdb2   8:18   0     1K  0 part
>> └─sdb5   8:21   0   7.9G  0 part
>> sdc      8:32   0 465.8G  0 disk
>> └─sdc1   8:33   0 465.8G  0 part /sdc1
>> sr0     11:0    1  1024M  0 rom
>> 
>> and my fstab is:
>> 
>> # /etc/fstab: static file system information.
>> #
>> # Use 'blkid' to print the universally unique identifier for a
>> # device; this may be used with UUID= as a more robust way to name devices
>> # that works even if disks are added and removed. See fstab(5).
>> #
>> # <file system> <mount point>   <type> <options>       <dump>  <pass>
>> # / was on /dev/sda1 during installation
>> UUID=ce25f0e1-610d-4030-ab47-129cd47d974e /               ext4
>> errors=remount-ro 0       1
>> # swap was on /dev/sda5 during installation
>> UUID=a8f6dc7e-13f1-4495-b68a-27886d386db0 none            swap sw
>> 0       0
>> /dev/sr0        /media/cdrom0   udf,iso9660 user,noauto     0 0
>> 
>> UUID=900b5f0b-4f3d-4a64-8c91-29aee4c6fd07 /sdb1 ext4 errors=remount-ro
>> 0       1
>> 
>> UUID=1f363165-2c59-4236-850d-36d1e807099e /sdc1 ext4 errors=remount-ro
>> 0       1
>
> Well, you did ask for a sanity check, but those mount points are still
> completely insane. And you still have 1 for the last field of your
> non-root filesystems when it should be 2.

Agree with non-root being 2 but that fstab looks like how debian does
defaults, it likes errrors=remount-ro.

> I always add an explicit rw or ro under options, along with defaults.
> With systemd, I add nofail to any filesystems that aren't vital for
> the system to run, which means the system will still boot fully
> without them.

nofail is intended for removable drives that could be missing on boot,
such as Thinkpad ultrabay drives/CF or SD cards.

>> Finally, my user group structure is (comp is the  user):
>> 
>> comp cdrom floppy sudo audio dip video plugdev users netdev lpadmin scanner
>> 
>> The problem is how do I set rw permissions on the new SSD?
>
> As posted by Dekks, but make sure the filesystem is already mounted:
> it's the filesystem that needs changing, not the underlying mount
> point.
>
> I think your 2TB disk hasn't been altered. You could just use its
> ownership/permissions as a model if you were happy with them.
>
> Cheers,
> David.
>

-- 
Regards.........
 
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