usb marked as read-only

Michael bmike1 at gmail.com
Mon Jan 16 12:47:12 MST 2023


yeahhhh.. I tried the r option yesterday. Got the same output.

michael at desktop1:~$ df -h
Filesystem      Size  Used Avail Use% Mounted on
tmpfs           779M  1.5M  777M   1% /run
/dev/sda2       234G  151G   72G  68% /
tmpfs           3.8G   84M  3.8G   3% /dev/shm
tmpfs           5.0M  4.0K  5.0M   1% /run/lock
/dev/sda1       511M  5.3M  506M   2% /boot/efi
tmpfs           779M   92K  779M   1% /run/user/1000
/dev/sdb1        12G   12G     0 100% /media/michael/Kali Live
/dev/sdb2       876K  868K  8.0K 100% /media/michael/6383-98E2
michael at desktop1:~$

sudo fdisk -l /dev/sdb
[sudo] password for michael:
Disk /dev/sdb: 28.64 GiB, 30752636928 bytes, 60063744 sectors
Disk model: Ultra
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x43665e8c

Device     Boot    Start      End  Sectors  Size Id Type
/dev/sdb1  *          64 24395943 24395880 11.6G 17 Hidden HPFS/NTFS
/dev/sdb2       24395944 24397735     1792  896K  1 FAT12

On Mon, Jan 16, 2023 at 2:38 PM Rusty Carruth via PLUG-discuss <
plug-discuss at lists.phxlinux.org> wrote:

> man fsck says:
>
>         The exit code returned by fsck is the sum of the following
> conditions:
>
>                0      No errors
>                1      Filesystem errors corrected
>                2      System should be rebooted
>                4      Filesystem errors left uncorrected
>                8      Operational error
>                16     Usage or syntax error
>                32     Checking canceled by user request
>                128    Shared-library error
>
> so zero means no errors without our having to guess (however, it implies
> that it did a check, but we're assuming that, so there is a guess there).
>
> You could try the '-r' option to fsck and it will tell you the return
> code and some other stuff, supposedly.
>
> Anyway, it would REALLY HELP to know what 'df -h' says.  That would
> answer (most of) the questions I still have at this moment.
>
> Oh, how big is the USB stick?  How much room is left?
>
> and what does 'sudo fdisk -l /dev/sdb' say?
>
>
> On 1/16/23 12:22, Michael via PLUG-discuss wrote:
> > creating persistence means I want to use the drive as if it were the main
> > drive.
> > The verbose flag is a big v? I tried the little v!
> >      sudo fsck -V $usb
> >     [sudo] password for michael:
> >     fsck from util-linux 2.37.2
> > Same thing.
> >     sudo fsck -Vf /dev/sdb ; echo $?
> >     fsck from util-linux 2.37.2
> >     0
> > I think the zero means there is nothing wrong with the drive.
> >
> > "You don't say what you booted on - the USB drive?  And what device is
> > that?"
> > What do you mean? I'm trying to run thOS from the pen drive? THe device
> is
> > /dev/sdb?
> >
> > On Mon, Jan 16, 2023 at 2:00 PM Rusty Carruth via PLUG-discuss <
> > plug-discuss at lists.phxlinux.org> wrote:
> >
> >> I think it is probably too early to say if you need a new drive, and I
> >> don't know what you mean by 'create persistence', but I'll stick my foot
> >> in my mouth and ask a few questions.
> >>
> >> You don't say what you booted on - the USB drive?  And what device is
> that?
> >>
> >> When you run fsck, I suggest you use the -V option (verbose). Also, what
> >> is the return code from fsck? that is:
> >>
> >> sudo fsck -Vf /dev/sdb ; echo $?
> >>
> >> what number is the last thing before your next prompt?
> >>
> >> Did you boot from device /dev/sda?  Is anything mounted from /dev/sdb?
> >> (e.g. what does 'df -h' say (as one option))
> >>
> >> Finally, it is safer to do the fdisk commands manually and not use the
> >> 'printf' trick.  This works for me on all my systems:
> >>
> >> echo $usb ; sudo fdisk $usb
> >>
> >> (then I enter the commands to fdisk to create a new partition, or
> whatever)
> >>
> >> Oh, the very first thing I should have asked is, what does 'ls -l
> >> /dev/sdb' say?
> >>
> >> On 1/16/23 11:34, Michael via PLUG-discuss wrote:
> >>> maybe that is why it ran out of space?
> >>>
> >>>
> >>> On Mon, Jan 16, 2023 at 12:06 PM Michael <bmike1 at gmail.com> wrote:
> >>>
> >>>> HI. On my Kali Live USB drive I am trying to create persistence. I did
> >> it
> >>>> once but then something happened (it ran out of space when I tried to
> >>>> install snort) so I started over. But when I tried tpo create
> >> persistence I
> >>>> got the read-only error. YOu know in my search to get it out of
> >> read-only I
> >>>> discovered that it might mean my file system is corrupted.. But when I
> >> ran
> >>>>      $ sudo fsck -f /dev/sdb
> >>>> it just responded
> >>>>      fsck from util-linux 2.37.2
> >>>> then when I attempted to follow the directions (that worked before:
> >>>>      sudo fdisk $usb <<< $(printf "n\np\n\n\n\nw")
> >>>>      Welcome to fdisk (util-linux 2.37.2).
> >>>>      Changes will remain in memory only, until you decide to write
> them.
> >>>>      Be careful before using the write command.
> >>>>      fdisk: cannot open /dev/sdb: Read-only file system
> >>>> I'm thinking I need a new drive. Anything the gurus know that would be
> >>>> beneficial before I spend the money on a new drive??
> >>>> --
> >>>> :-)~MIKE~(-:
> >>>>
> >>>
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> >
> >
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-- 
:-)~MIKE~(-:
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