When install a software, sometimes the following error will occur:

• 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?

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This is the solution:

• sudo rm /var/cache/apt/archives/lock
• sudo rm /var/lib/dpkg/lock