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I just installed Ubuntu Touch on my Nexus 7.

Unfortunately I can't install anything from the terminal app:

If I enter:

sudo apt-get install yasm -y git make g++ build-essential libminiupnpc-dev

I get:

W: Not using locking for read only lock file /var/lib/dpkg/lock
E: Unable to write to /var/cache/apt/
E: The package lists or status file could not be parsed or opened.

I've rebooted the device but wasn't successful yet. What should I do to fix the error?

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    Can you add lsblk to your question? Also, you can try sudo mount -o remount,rw /
    – kiri
    Jan 3, 2014 at 21:32
  • Clipper, it would be great if you could add the solution as an answer and accept it to move this out of unanswered.
    – Julian Stirling
    Jan 3, 2014 at 21:47
  • @JulianStirling Unfortunately I can't answer to my own questions. "Users with less than 10 reputation can't answer their own question for 8 hours after asking. You can answer 1/4/2014 5:29:31 AM. Until then please use comments, or edit your question instead." Also I don't now how to move it out of unanswered. Can you help me? The solution was sudo mount -o remount,rw /
    – Clipper Dashing Wave
    Jan 3, 2014 at 21:56

1 Answer 1

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Warning: This is by design. What you're trying to do can very quickly make your device unusable. Phones, which are updated by apt-get upgrade for example, are not tested; only the ones using the OTA update system are. If your phone breaks, you may need to re-flash it. If you understand the risk, then see below.

To remount the root filesystem as read/write, run the following command

sudo mount -o remount,rw /
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    This also solved the same problem I was having on my Nexus 5, running Ubuntu Touch (installed by MultiROM). I enabled Developer Mode, then ran this command, and all is well! Thank you.
    – elimisteve
    Feb 14, 2015 at 11:13
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    Note that if you do this, you can very quickly make your device unusable. We don't test phones which are updated by "apt-get upgrade" for example, only using the OTA update system. If your phone breaks, you may need to re-flash it.
    – popey
    Mar 19, 2015 at 18:00

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