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When I try to install ubuntu-restricted-extras, using sudo apt-get install ubuntu-restricted-extras, I get the following error:

E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable)
E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?
Cristiana Nicolae
  • 4,500
omkar
  • 1

2 Answers2

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Juste wait a few seconds and try again. It's probably because a background process is currently checking for updates.

Mossroy
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It seems apt-get was stopped prematurely while it was still busy doing something as a result, apt is still in a locked state.Do the following:

Restart your machine (sudo reboot) and try to install again.

If at this point you still cant install the, then do the following:

  • Delete the lock file:

    sudo rm /var/lib/apt/lists/lock

  • Delete the lock file in the cache directory:

    sudo rm /var/cache/apt/archives/lock

  • Install ubuntu-restricted-extras:

    sudo apt-get update

    sudo apt-get install ubuntu-restricted-extras

Tshilidzi Mudau
  • 4,173