Disk image mounts as read only

I have a set of disk images that are mounting as read only. How can I change the permissions for these images? The image files themselves have r/w permission, but when they get mounted, they are mounted as read only. The images are formatted as "Mac OS standard". I notice that Disk Utility now can only create images in Mac OS Extended. Is that the problem?

That obsolete volume format is no longer fully supported in Mavericks. You can read it, but you can't write to it.

Similar Messages

Disk Image Mounter is missing

I recently bought my mac, and i haven't been able to download anything, I don't have Disk Image Mounter, I have searched and searched even went as far as reinstalling the MacOSX bundle, and i still don't have it, I have not been able to download anything from the net since i bought it, is there a place where i can download it or do i just need to get on the phone with apple care and pitch a fit?

The path to DiskImageMounter is /System/Library/CoreServices.
If you're sure you don't have it. You can copy it from another Intel Mac, or You may be able to repair this with the 10.4.6 Stand Alone Combo Updater.
This is a fuller install, as opposed to an incremental "delta" update so it should overwrite any files that are damaged or missing. It does not matter if you have applied it before. It has worked well for many.
Remember to Verify Disk before update and repair permissions before and after update from /Applications/Utilities/Disk Utility.
Alternatively you might get someone to email you the app it's only 172K. Ask them to .zip it for safe transport.
Good luck. Let us know.
-mj
[email protected]

All USB drives mount as read only for user

I have searched a bunch and thee results I find seem to be irrelevant to my situation. Most relate to a single USB media that is a problem and won't read or write.
On a new Arch install on a new computer (my third base system install). Running Gnome.
All USB mass storage devices mount as read only for the logged in user. Root has write permissions and I can mkdir no problem. It is not an issue with the USB drive itself as this occurs with multiple USB media (I've tested several SD cards on a reader and at least two drives, all the media works correctly on my existing installations)
I'm posting the contents of my /etc/group file in case there's an obvious error there I don't see, and my dmesg output upon plugging in the drive. User name is changed in the group file posted to "archie"
This is a single-user system.
/ect/group
root:x:0:root
bin:x:1:root,bin,daemon
daemon:x:2:root,bin,daemon
sys:x:3:root,bin
adm:x:4:root,daemon
tty:x:5:
disk:x:6:root
lp:x:7:daemon
mem:x:8:
kmem:x:9:
wheel:x:10:root,archie
ftp:x:11:
mail:x:12:
uucp:x:14:archie
log:x:19:root
utmp:x:20:
locate:x:21:
rfkill:x:24:
smmsp:x:25:
http:x:33:
games:x:50:
lock:x:54:
uuidd:x:68:
dbus:x:81:
network:x:90:
video:x:91:
audio:x:92:
optical:x:93:
floppy:x:94:
storage:x:95:
scanner:x:96:
power:x:98:
nobody:x:99:
users:x:100:archie
systemd-journal:x:190:
archie:x:1000:
avahi:x:84:
polkitd:x:102:
rtkit:x:133:
gdm:x:120:
brlapi:x:999:
kvm:x:78:
ntp:x:87:archie
dmesg output
[ 968.044188] usb 4-3: new high-speed USB device number 4 using ehci-pci
[ 968.170628] usb-storage 4-3:1.0: USB Mass Storage device detected
[ 968.171435] scsi7 : usb-storage 4-3:1.0
[ 969.174450] scsi 7:0:0:0: Direct-Access Generic USB SD Reader 1.00 PQ: 0 ANSI: 0
[ 969.175068] scsi 7:0:0:1: Direct-Access Generic USB MS Reader 1.03 PQ: 0 ANSI: 0
[ 969.939417] sd 7:0:0:0: [sdb] 15572992 512-byte logical blocks: (7.97 GB/7.42 GiB)
[ 969.941028] sd 7:0:0:0: [sdb] Write Protect is off
[ 969.941037] sd 7:0:0:0: [sdb] Mode Sense: 03 00 00 00
[ 969.944664] sd 7:0:0:1: [sdc] Attached SCSI removable disk
[ 969.945509] sd 7:0:0:0: [sdb] No Caching mode page found
[ 969.945517] sd 7:0:0:0: [sdb] Assuming drive cache: write through
[ 969.952682] sd 7:0:0:0: [sdb] No Caching mode page found
[ 969.952693] sd 7:0:0:0: [sdb] Assuming drive cache: write through
[ 969.956396] sdb: sdb1
[ 969.965003] sd 7:0:0:0: [sdb] No Caching mode page found
[ 969.965011] sd 7:0:0:0: [sdb] Assuming drive cache: write through
[ 969.965015] sd 7:0:0:0: [sdb] Attached SCSI removable disk
I'm sure I'm just missing something in user management, but I can't find what.
Last edited by hooya (2014-04-27 03:10:49)

I am also having the same problem. Root can read and write to automounted drives, but my user cannot. I've tried with a variety of drives, I am assuming they are being automounted by root instead of the logged-in user somehow. (I am running x directly, and am not using a display manager, if that has anything to do with it).
When I look at how it is mounted it is as follows:
/dev/sdc1 on /run/media/myuser/drivename type vfat (rw,nosuid,nodev,relatime,uid=1000,gid=1000,fmask=0022,dmask=0077,codepage=437,iocharset=iso8859-1,shortname=mixed,showexec,utf8,flush,errors=remount-ro,uhelper=udisks2)

10.4.6 update limbo, disk image mounts fail

Not sure what happened with the 10.4.6 update. Software Update was in process. Then I blinked and returned to a shut down machine. In "about the computer" the ac OS X version is listed as 10.4.6. But in System Preferences / Software Update, the 10.4.6 Mac OS update is not listed.
Another indication that all is not well, mounts for disk images fail. This means I cannot get at the standalone updater -- or an updated version of Cocktail.
Initial checks on the HD seem okay. All permissions repaired. What next to get out of this limbo?
(Other comments on using standalone updates instead of automatic Software Updates noted and appreciated -- but frustrating in this situatioin with failures on disk image mounts.
PowerBook G4 17"/PowerBook5,1 Mac OS X (10.4.6)
PowerBook G4 17"/PowerBook5,1 Mac OS X (10.4.6)

With apologies for missing the previous relevant thread
http://discussions.apple.com/thread.jspa?threadID=430262&tstart=30
Thanks to steveo23's post of the 10.4.6 combo PPC update download in sit format...
http://www.hi-fidigital.com/extras/MacOSXUpdCombo10.4.6PPC.pkg - Control Click and Save As.
...I was able to recover. This was especially helpful since I'm travelling and don't have a firewire option available for the rest of the week.
Now I'm looking for ways to return steveo23's favor... places I can respond as "helpful" and not sure I'm connecting.
PowerBook G4 17"/PowerBook5,1 Mac OS X (10.4.6)

External drives mount as read only

I am running OS X 10.6, on a MacPro. Something happened recently to make my external hard drives mount as read only. The only way I've found to be able to fix them is to run Disk Utility every time I start up my computer. Does anyone have an solution to this?
Also every time I run the Disk Utility, at the end of the repairs it says "Updating boot support partitions for the volume as required." I do not know if this is related, but I haven't been able to find anything relevant in relation to my problem with the drives mounting as read only.
Message was edited by: HeatherK

You might give this a try:
Select the drive and Press COMMAND-I to open the Get Info window. At the bottom open the Ownership and Sharing section. Be sure the box labeled "Ignore permissions on this volume" is unchecked. If it is checked then click on the lock icon, authenticate, then uncheck that box. Close the window.
Open the Terminal application in your Utilities folder and at the prompt enter or paste the following:
sudo chown root:admin
Put a space after "admin" then drag the drive's icon into the Terminal window. Press RETURN. You will be prompted to enter your admin password which will not be echoed.
See if this fixes the problem.

[partially solved] Root mounted as read-only, lots of errors

I started my laptop without the power cord, and the boot stopped at several steps. I could continue the boot with pressing the power button for a second. XFCE booted fine, but some things were broken. Then I rebooted, and I cannot boot to xfce anymore at all (with or without power cord), since the root is mounted as read-only, and other partitions are not mounted at all. I didn't change my system at all so it is difficult to fix the problem. Now when I boot I just get lots of errors due to the read-only root partition. Fstab should be okay since it worked before, and has not been modified in months.
# /etc/fstab: static file system information
# <file system> <dir> <type> <options> <dump> <pass>
none /dev/pts devpts defaults 0 0
none /dev/shm tmpfs defaults 0 0
#/dev/cdrom /media/cd auto ro,user,noauto,unhide 0 0
#/dev/dvd /media/dvd auto ro,user,noauto,unhide 0 0
#/dev/fd0 /media/fl auto user,noauto 0 0
UUID=141f10a8-d0f2-43e0-b71e-5d01f1b3b126 /boot ext2 defaults 0 0
UUID=7f0ebf97-6e66-4e39-9db8-05fabd53180b swap swap defaults 0 0
UUID=859ac481-922b-4126-a575-462b145581fd / jfs defaults 0 0
UUID=3439fb11-ee6f-443a-9635-73ee7268e31c /media/disk ext3 defaults,data=writeback 0 0
UUID=82e37328-095e-4fd8-87ca-a74c6decc746 /media/oldroot ext3 defaults,data=writeback 0 0
I found related errors in daemon.log
Jun 23 13:15:26 nawi laptop-mode: Remounting filesystems.
Jun 23 13:15:26 nawi laptop-mode: /dev/sda6 not found in PARTITIONS.
Jun 23 13:15:26 nawi laptop-mode: / not found in PARTITIONS.
Jun 23 13:15:26 nawi laptop-mode: Checking /dev/sda6 against HD because PARTITIONS contains "auto".
Jun 23 13:15:26 nawi laptop-mode: Considering /dev/sda.
Jun 23 13:15:26 nawi laptop-mode: /dev/sda6 contains /dev/sda, which is in HD, so we will remount it.
Jun 23 13:15:26 nawi laptop-mode: Original options: rw
Jun 23 13:15:26 nawi laptop-mode: Reducing file system type.
Jun 23 13:15:26 nawi laptop-mode: Executing: mount /dev/sda6 / -t jfs -o remount,rw,atime,norelatime
Jun 23 13:15:26 nawi laptop-mode: Executing: /sbin/blockdev --setfra 256 /dev/sda6
Jun 23 13:15:26 nawi laptop-mode: none not found in PARTITIONS.
Jun 23 13:15:26 nawi laptop-mode: /dev not found in PARTITIONS.
Jun 23 13:15:27 nawi laptop-mode: Checking none against HD because PARTITIONS contains "auto".
Jun 23 13:15:27 nawi laptop-mode: Considering /dev/sda.
Jun 23 13:15:27 nawi laptop-mode: none not found in PARTITIONS.
Jun 23 13:15:27 nawi laptop-mode: /proc not found in PARTITIONS.
Jun 23 13:15:27 nawi laptop-mode: Checking none against HD because PARTITIONS contains "auto".
Jun 23 13:15:27 nawi laptop-mode: Considering /dev/sda.
Jun 23 13:15:27 nawi laptop-mode: none not found in PARTITIONS.
Jun 23 13:15:27 nawi laptop-mode: /sys not found in PARTITIONS.
Jun 23 13:15:27 nawi laptop-mode: Checking none against HD because PARTITIONS contains "auto".
Jun 23 13:15:27 nawi laptop-mode: Considering /dev/sda.
Jun 23 13:15:27 nawi laptop-mode: none not found in PARTITIONS.
Jun 23 13:15:27 nawi laptop-mode: /dev/pts not found in PARTITIONS.
Jun 23 13:15:27 nawi laptop-mode: Checking none against HD because PARTITIONS contains "auto".
Jun 23 13:15:27 nawi laptop-mode: Considering /dev/sda.
Jun 23 13:15:27 nawi laptop-mode: none not found in PARTITIONS.
Jun 23 13:15:27 nawi laptop-mode: /dev/shm not found in PARTITIONS.
Jun 23 13:15:27 nawi laptop-mode: Checking none against HD because PARTITIONS contains "auto".
Last edited by nawitus (2009-06-23 20:57:47)

It seems that laptop-mode remounted the partitions as read-only, because of bug in laptop-mode(?). I disabled that daemon, and now boot works. After that I can boot normally even with laptop-mode daemon, but now I'm afraid of booting without the power cord as that can break the system..

Encrypted Disk Image mounts without Password

I've created a new encrypted disk image so that I can store sensitive documents and did it carefully, step by step,(per instructions from www.macworld.com/2425) but after I unmounted, then remount, it doesn't ask me for a password. It just mounts as if it were a regular file. Am I suppose to unmount the volume and drag the disk image to the trash? I don't know what else to try.

The Mac uses and encrypted database of keys called the "Keychain". When you login, it opens the "login" keychain using your login password. That keychain can be used to provide passwords for applications and services, and form data for web sites. In this particular case, the password for your encrypted disk image is being stored in the keychain and automatically provided.
If another user attempted to open the disk image, the disk image mounter would first look in his keychain and then the system keychain for a key to open it with. Finding none, it would prompt the user to specify the key (password). If the user supplies the correct password, the system would put it in his keychain for safe keeping, and the user would then be able to open the image again without supplying the password.
You can remove the key from your keychain by opening up /Applications/Utilities/Keychain Access, selecting the "login" keychain, and then looking for an entry with a name that matches the .dmg file in question. Highlight it, and then press the delete key to delete it. The next time you attempt to open it, it will prompt you for a password.

[kinda solved, hd broken]Salvaged hard drive mounted as read-only

My old netbook died recently (if a guy in a shady computer store in Edinburgh tells you that "this adapter will surely work" -- what ever you do, don't believe him). Got a new netbook, and an external usb hd case for the old hard drive in the hope of salvaging it.
The old hd seems to have survived, as it mounts just fine and all my old partitions show up (home folder, root, swap...). However, I cannot change the permissions of the files using thunar as root, nor can I copy them to my internal hd --probably because the drive is mounted as read-only. The /home partition, which is the one I'm interested in copying things from, is formated in ext4.
I'm guessing I should change something in my fstab, though I'm not sure what exactly. What's weird though is that the drive does not show up when I run sudo fdisk -l, nor does it show in gparted (which is run as root, of course) -- meaning I don't know what rule I should put in my fstab file, as I dont know what mount point to apply it to. I use xfce on my current laptop, but seeing as the problem persists when I try on my partners ubuntu laptop I figure that the DE hasn't got much to do with it.
I guess I could open up the computer, put in the old hard drive and change some configs, install drivers etc. to make my new computer boot properly from it. Does seem like a drag though, so I figured I'd try asking here first. I suspect this is a fairly common problem, but my google-fu does not appear to be strong enough as I've failed to find a solution on my own.
Last edited by caligo (2010-07-19 20:09:01)

karol wrote:'mount: /dev/sdd2: cannot read superblock' is quite different from mounting read-only - I'd call it read ... NOT!
I hope you have some sort of backup.
Yes, "cannot read" is indeed a more disheartening message... When trying to copy the files through thunar, I can see them but not move or open them -- and trying to change the permissions results in an error message about the file system being "read-only".
itsbrad212 wrote:# fsck /dev/sdd2
results in
Attempt to read block from filesystem resulted in short read
The thing might indeed be dead...
I have backups of all the important things -- just wanted to save some recent random files and a bunch of wallpapers, but I think I'll survive the loss. Thanks for the help guys. Might try to format the whole thing, see if its just the data that's corrupted or of the harware is busted as well.

[Solved]External HDD only mounts as read only

Okay, I have a general log, but I'm not completely sure what all information you need. Ask and you will receive.
So I run udiskie through i3, works great, but my file systems get mounted as read-only, which is..not great. It's pretty irritating. So I thought, hey, let's just chown that shit, right? No. It's a read only file system.
Anyway, so I did killall udiskie, tried mounting it manually and all as demonstrated in lsblk, and it's still read only, for some interesting reason. (Sorry the lsblk log isn't clean). If there's some other output you'd like, let me know...
I run the thunar file manager, which is alright, but it doesn't auto-mount (I tried setting it up, googled it a lot, it just didn't auto-mount, and udiskie looked like it worked fine until I realized it was all read-only).
In lsblk I ran sudo thunar to view the drive, since permission was denied to myself. It was still read-only, meaning it's not necessarily a udiskie problem? I could mount my other flash drive alright it appeared, but when I did it with udiskie it was also readonly.
The flash drive was made with dd, so it had two partitions, the second one mounted fine, the first one not so much, and with udiskie it just mounted what looked like the second one with more files (So maybe both? I was a bit confused).
lsblk: http://pastebin.com/WdJbky9j
udiskie -a: http://pastebin.com/RT2sQE01
On a side note, those awesome arrows on the side of my terminal thanks to zsh and oh-my-zsh? They're just empty rectangles in rxvt-unicode, and I have no idea why. They display fine in pastebin. If anyone happens to know what I'm missing there, much obliged.
Solution:
Actually understand NTFS in linux (Working on it)
Install ntfs-3g
Last edited by Rojikku (2014-07-02 02:06:18)

lsblk -f: http://pastebin.com/KeHpDtF6
Anything I could say would be repetitive of the data. >>; But for record purposes, btrfs and the external is ntfs.
Edit: I don't have ntfs-3g installed, FYI. It seemed like an alternative to udiskie and I dislike installing things frivolously. I noticed another user fixed a somewhat similar problem like that, would that be my issue?
Last edited by Rojikku (2014-07-02 01:37:24)

Disk image mounter out of order

Hi List,
I already posted that question once a while but it wasn't answered so I come back.
Here it is, I am not able to mount any .dmg files on my G5 and this is REALLY annoying as I am noty able to expand any downloaded .dmg for applications and so on ...
I would really appreciate to have support about that.
I can give more details if needed, and no : selecting disk image mounter to open the .dmg does not help anyhow ...
Best
Sylvain

Well - a search in that other forum on ".dmg files will not mount" finds several threads on similar problems, including
http://discussions.apple.com/thread.jspa?messageID=2282748#2282748
You could try re-installing the 10.4.7 combo updater
http://www.apple.com/support/downloads/macosxupdate1047comboppc.html

[solved] External drive automatically mounted as read-only

Hi folks,
I have a strange issue with an external drive automatically mounted as read-only whenever I plug it to my laptop :
[sclarckone@archLaptop ~]$ mount
/dev/sdb1 on /run/media/sclarckone/dd type ntfs (ro,nosuid,nodev,relatime,uid=1000,gid=100,fmask=0177,dmask=077,nls=utf8,errors=continue,mft_zone_multiplier=1,uhelper=udisks2)
And I can't remount it as read-write :
[sclarckone@archLaptop ~]$ sudo mount -o remount,rw /dev/sdb1
mount: cannot remount /dev/sdb1 read-write, is write-protected
But of course, I'm able to mount it as read-write on other operating systems.
I have udisks and udisks2 installed on my system. I also belong to the storage group so I thought I could mount a filesystem as a normal user but I can't :
[sclarckone@archLaptop ~]$ mount /dev/sdb1 dd/
mount: only root can do that
I don't know whether it is relevant to this problem, but I have systemd and polkit installed as well... Does anybody has an idea of where the problem could come from ?
Thanks for your help !
Last edited by sclarckone (2012-12-13 21:45:04)

Check out following file :
/usr/share/polkit-1/actions/org.freedesktop.udisks.policy
Look for mount a device and It should have configuration like :
<action id="org.freedesktop.udisks.filesystem-mount">
<description>Mount a device</description>
<description xml:lang="da">MontÃ©r en enhed</description>
<message>Authentication is required to mount the device</message>
<message xml:lang="da">Autorisering er pÃ¥krÃ¦vet for at montere et fil system</message>
<defaults>
<allow_any>no</allow_any>
<allow_inactive>no</allow_inactive>
<allow_active>yes</allow_active>
</defaults>
</action>

Disk image mounting and disk utility oddities on Xserve running OS X Server

I continue to run into an odd problem on one of my server setups. It is a 1.33 GHZ Xserve running OS X Server 10.4.11. There are four ATA drive installed (two of which are mirrored using Softraid 3.6.6). There are a total of 6 Firewire drives on the Firewire 800 Bus. Three of those are used for sharing out files and the other three are for various backups.
What happens is that I sometimes run into an issue where dmg files will not mount. There are no error messages and nothing in the log, they just don't open. Likewise I am unable to launch Disk Utility, it just spins and spins never displaying the drives, again nothing in the logs, no crashreporter. I have also found out that the same thing happens in System Profiler when I try to get a list of drives on either the ATA bus or the Firewire bus. Mind you they all show up on the desktop. Likewise I have had no luck getting them to list or run permissions or the like from the diskutil commandline. Now I am able to mount actual drives. When I swap out the offsite backup drive it mounts the new drive just fine. However... when I eject the drive and it has disappeared from the desktop and then I remove it... I get the removal error.. you didn't put the drive away properly message.
Now there are no disk related events showing up anywhere in the logs. The only other oddity that I can see is that my rsync backups tend to generate a ton of zombie processes. I get zombies of cron, sh, rsync, and mail.
It is just a pretty straightforward shell script
/usr/local/bin/rsync -E --archive -eahfs --delete /Volumes/Files/Shared\ Items/ /Volumes/Backup\ Files/Shared\ Items/
Running in cron with it set to email the logs.
Now this does all clear up when I reboot the server... but it also doesn't reboot cleanly. It closes down all of the applications, login window and the like and then hangs on the shut down portion. Eventually I have to power it off manually. I've done the normal Volume checking on the main drives and they come up with 0 errors.
Hoping someone might have some ideas before I end up having to backup and reinstall the whole thing.

Also when I try to open the disk image file I get the following error in the log.
xserve kernel[0]: disk10s10: media is not present.

Disable disk image mounting + more

Hey all,
I asked these questions over in the main leopard forum but they thought the Unixheads might have a bit more information on what I am looking for in this regards.
Basically I am running ~40 users on Leopard via LDAP with NFS mounted home directories. Ideally I would like any user outside of the local admin group to be unable to mount disk images and have any USB hotplug device mounted read only.
Thus far I have gone about unloading diskarbitrationd, which makes using any mountable device useless (DVD/CD, USB, DMG) for any user, as well as modifying ACL's to 774 on /System/Library/CoreServices/diskimagemounter.app and /Applications/Utilities/Disk Utility.app. This has resulted in crashing on trying to use the eject button in Finder or the Keyboard and the OS throwing various errors in regards to not finding child processes or background processes.
Moreover none of the above solutions is anywhere near ideal.
Somewhere OSX gets permissions and mount options for both USB drives, Disk Images and CD/DVD's. These options as shown by 'mount' are
local, nodev, nosuid, noowners
CD's and Disk Images are also mounted with the read-only flag.
I realize much of the backend has changed in the Transition from Tiger/Leopard in this regard, much akin to the way udev has changed over the last few iterations of the linux kernel. However there should be some way to modify the base permissions and mount options for these sets of volumes.
Any ideas?
Cheers!

I haven't tried this, but setting the kernel security level to 2 may be the closest thing to what you want:
<pre>sysctl -w kern.securelevel=2</pre>
You could run this command (as root, of course) in a launchd item at startup. Test thoroughly before deploying. You can find documentation about securelevels on FreeBSD pages, but I don't know whether they work the same way in Darwin. Once the securelevel has been raised, you can't lower it without rebooting.
You do realize, however, that this precaution, by itself, won't stop anyone with physical access from stealing data.

Disk image mounts automatically

Since a couple of days I am experiencing a mysterious problem: a disk image (.dmg) file keeps mounting automatically under certain circumstances.
This is what happens:
- when I reboot my Mac
or
- whenever I choose 'Print' in an application and then select a print option or choose a printer from the printer popuplist
the image mounts and the windows displaying the contents shows in the Finder.
The image is a MacUpdate Promo image of 2009. It is read-only and it is stored on a network drive (a USB disk attached to the Airport Extreme). I can unmount the image, and the network drive, no problem. No files in use. But when I choose Print etc , it appears again!
Now, this image has been there for almost a year, and the problem started only two weeks ago, when I searched the disk for a piece of software (which I didn't find, so I never installed anything off the disk image).
I'm running MacOSX 10.6.8 on a MacBook Pro 15" (2010).
I am not aware of any preference setting that causes this. The .dmg file is not in the list of login items.
Anyone an idea what's causing this?
HE

What happens if you rename the dmg? Does anything complain after that?

USB flash storage mounted as read-only filesystem

Hello all,
I'm new to Arch Linux and trying to migrate all my works to arch. Installed KDE, GNOME3, and hardware drivers successfully But I have problems with USB flash disks. When plugging a usb device, system mounts it as a readonly filesystem. so I can't change its contents. It always happens to my flash disk, but flash disk of my friend is ok!
I tried to mount manually with super user access, but no hope. It says:
[root@myhost soroush]# mount /dev/sdb1 /mnt/
mount: warning: /mnt/ seems to be mounted read-only.

roygbiv wrote:Maybe you can post your /etc/fstab?
# /etc/fstab: static file system information
# <file system> <dir> <type> <options> <dump> <pass>
tmpfs /tmp tmpfs nodev,nosuid 0 0
/dev/sda2 / ext4 defaults 0 1
/dev/sda3 /home ext4 defaults 0 1
/dev/sda4 swap swap defaults 0 0

Disk image mounts as read only

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