[Q] Cant mount /system rw - Nexus 10 Q&A, Help & Troubleshooting

I cant mount /system as r/w on my nexus 10, I have rooted and tried root explorer and es file explorer with no luck.
I mounted it once, and it overwrote all my changes

kamaltmo said:
I cant mount /system as r/w on my nexus 10, I have rooted and tried root explorer and es file explorer with no luck.
I mounted it once, and it overwrote all my changes
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Click to collapse
On Root Explorer did you press the "mount r/w" button at the top?

yeah, I pressed it but it doesn't mount

Do you have superuser installed? If so, open superuser, uncheck root explorer, select forget and restart root explorer and click "allow" when prompted when you try to mount r/w. Let me know if that works.

I do have superuser installed, thanks for the quick reply but its still not letting me mount system

Is superuser giving permissions to Root Explorer?
If it is, all I can suggest at this point is to try and restart the device and try again or re-flash stock and root your phone and try again.
If anyone else knows something I don't then I'm sure they'll chime in soon.
Good luck!

Thanks for the help but its still wont let me mount i re-flash stock and root again still no dice

you need to actually answer their questions instead of just saying thanks
what does it say in superuser? the permission for root exploer
try ES file explorer, and choose mount in there

Superuser is giving permission to root explorer, it says access grant if you need me to be specific, I have already tried ES file explorer, terminal and many of the mount apps in the market place none of which are working

Try updating the SU binary in SuperSU or SuperUser whichever one you have installed. 4.2 requires a new binary to work properly.

how do i update the SU binary in SuperSU

Related

Root Explorer and Busybox woes, help?

So, I'm rooted. S=OFF, I get su access in Terminal, and I have the latest busybox installed in /system/bin. But, after a reboot of the device I can only get R/W access to certain parts of the directory structure - /system is unfortunately not one of them.
Now, here's the weird part: When I start the app Busybox Installer (downloaded from the market), the app searches for busybox installations and tells me I have the latest in /system/bin (this I already know). Once I have started this Installer without doing anything else, I can gain full R/W access to /system.
So, there seems to be some sort of strange busybox issue and how it relates to system R/W access. Is the latest busybox incompatible with this stock ROM?
Root explorer issues
I am also having the same issue I can not get R/W access in the system folder. I have been trying to re-map the Genius button. I am able to remove "bloatware" by using Titanium backup. I definitely have permanent root on the phone, so I am confused by this issue. I have been searching and have not seen other similar complaints. I tried the busybox from the above post but still am not able to R/W access.
You need the latest version of root explorer. Will solve the issue.
Sent from my HTC Glacier

Can't delete with root explorer

I'm trying to delete a default application from my droid (WriteandGo) by deleting both the .apk and .odex file from /system/app using root explorer.
The phone is rooted, in Root Explorer and the partition appears mounted as r/w. When I delete both files it works fine and they disappear, but when I go back and then return to the app folder the files are there again. The application never gets uninstalled.
Any ideas?
Thanks!
Use titanium backup to uninstall sytem apps..
Thanks, it does work, but I'm curious as to why root explorer is failing to delete the files..
Neojag said:
I'm trying to delete a default application from my droid (WriteandGo) by deleting both the .apk and .odex file from /system/app using root explorer.
The phone is rooted, in Root Explorer and the partition appears mounted as r/w. When I delete both files it works fine and they disappear, but when I go back and then return to the app folder the files are there again. The application never gets uninstalled.
Any ideas?
Thanks!
Click to expand...
Click to collapse
That is because the /system partition is mounted read only.
To mount read-write, install ADB.
Set phone to USB debug.
Then:
> adb shell
$ su
# mount -o remount,rw /dev/block/stl6 /system
Then go the the appropriate directory and remove the files with "rm".
So the info Root Explorer is supplying (that the partition is mounted as r/w) is wrong? That's odd, because I've managed to copy a file to /system/etc/.

[Q] Problem changing gps.conf file

I have rooted and installed CWR. I have Supperuser installed also. When I try to change the gps.conf file to point to us.pool.ntp.org, I get an error saying the that /system is read only. Any ideas on how to fix this?
You need to mount /system as read/write before you can write to it.
In Root Explorer, you can click the R/W (or R/O) button at the top to enable writing.
I tried that and it say the file has been saved. However when I open the file again the changes are not there.
From my post the other day at forums.lenovo.com--
Best: ES File Explorer (with root permission and /system writeable checked in settings)
Navigate to file, click, choose text, choose ES Note Editor, edit the file as needed, choose save when prompted.
You can change permissions with ES as well.
I like that it automatically makes a *.bak file of whatever you edit and save.
I have tried changing the permission using root explorer, which resulted with this error "Permissions change was not successful. Please not that some file systems(eg SD card) do not allow permission changes. " I also tried using ES File Explorer but it still will not allow me to edit or delete the file.
@dwilli40 - Did you set root permission and /system writeable in ES settings?
Yes, I did enable root permission and /system writeable in ES settings.
I had a similar Problem on my device, seems that the normal mount doesn't work always. In my case i got write permission with:
busybox mount -o rw,rewrite /system
Sent from my ThinkPad Tablet using XDA App
if you don't know how to do it manually, use a app !
fasterfix for example....
if it doesn't work, it means that you don't have root
Thanks quyTam . That one did it for me.
Any way to do this without recovery?
It's absolutely no need for recovery !
But root is needed.
I was thinking it did because I couldn't get /system to stay mounted as rw under adb shell or with total commander
What should I be doing?
GPS Monitor Premium is able to do this, too, and more. It's a little heavier, but I don't feel like I need GPS Test anymore. It's a slick little app, and the dev is very kind.
MrKwatz said:
I was thinking it did because I couldn't get /system to stay mounted as rw under adb shell or with total commander
What should I be doing?
Click to expand...
Click to collapse
are you root ?
Did the GPS change you made work? Is you tablet actually grabbing satellites over North America?
Sent from my ThinkPad Tablet using xda premium
quyTam said:
are you root ?
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Click to collapse
Yes.
If I mount from adb shell su and then exit (after checking mount) for adb push it does not retain rw.
Doing the mount command from Total Commander fails. Checking the box to mount /system from ES File Explorer does nothing.
Yes, the change to gps made a huge difference. I went from taking 5 minutes or more to find my location to almost instantly.
dwilli40 said:
Yes, the change to gps made a huge difference. I went from taking 5 minutes or more to find my location to almost instantly.
Click to expand...
Click to collapse
Did you change the gpsconfig.xml file in /system/etc/gps folder? And if you did, which line(s) did you edit? I'm looking at the file in Notepad++ just trying to comb through it all and I don't see us.pool.ntp.org or asia.pool.ntp.ord anywhere..
Thanks
---
Never mind, just found the gps.conf file in the root of /etc. FasterFix did indeed change the Asian setting to a north-american.pool.ntp.org. I'll give this a try today, and if it can't find me in under 3 minutes, i'll try changing it to us.pool.ntp.org and see if that makes a difference.

es file explorer access denied

hello
i have nexus 4 4.3 it's rooted and i used to do all read/write/delete on to my root dirctory wiht ES file now the when i try to do anything of that i ger faild/denied/you dont have permision, also rom mnager i cant delete any saved rom backup access denied,
please advise
On your su app do you have root access to prompt or grant change to prompt I had that problem. Also in the new version of es you have to go to tools- root explorer(make sure its on)- then click on the words root explorer to open the menu to mount it as writeable
Sent from my Nexus 4 using Tapatalk
all setting is okay!!
No accesses
Sounds like your on an older version of es file explorer.
On the latest, hit the top left icon for the fast access menu, touch the root explorer entry then the mount system entry, select both the rw boxes.
i'm on latest version and just yesterday i was able to accesses all file permissions

[Q] Kitkat 4.4 Unable to mount system as read-write

Upgraded from factory rooted image of 4.3 to the OTA KRT160 I was able to get this rooted and the bootloader has been unlocked.
Cannot mount /system as r/w from either ROM Pro toolbox or ES Files Explorer. 4.3 has no such issues. Anyone else having these problems or know a way to mount this. I want to update my hosts file and a few other things.
Edit: This method works, just not any apps
adb shell
$su
#mount -ro remount,rw /system
make changes in shell
#mount -ro remount,ro /system
zosimov21 said:
Cannot mount /system as r/w from either ROM Pro toolbox or ES Files Explorer. 4.3 has no such issues. Anyone else having these problems or know a way to mount this. I want to update my hosts file and a few other things.
Edit: This method works, just not any apps...
Click to expand...
Click to collapse
Tried that on a rooted Moto X...still no joy. Among other things, it's keeping AdAway from installing.
Edit: I eventually found MotoWpNoMo, which fixed my problem. It permanently removes write protection from /system. Maybe there's something similar for your device.
I had an issue with read write in es. You have to not only slide the root explorer option to on but also tap on root explorer text to change system to r/w. Hope this helps
phatscientist said:
I had an issue with read write in es. You have to not only slide the root explorer option to on but also tap on root explorer text to change system to r/w. Hope this helps
Click to expand...
Click to collapse
Man I've been looking for your tip 2 days. And here you go. Awesome. Same thing with H/K LiveStage sound buried under option line.

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