![]() Now that we understand the reason behind the error, let’s try to fix it. How to Fix “unable to acquire the dpkg frontend lock” ![]() Now that we understand why this error is thrown, we can move on to fixing it. This ‘ locking mechanism‘ exists because package updates can’t be run in parallel, they could interfere with each other. Since apt can’t own the lock now, it will give an error saying ‘ unable to acquire the dpkg frontend lock‘ or something similar. ![]() It might happen that another program was updating/installing a package and then you try to sudo apt install something while the other program still owns the lock. Only 1 program can own a lock at a given time. Any other program that tries to update or install packages has to check whether this file’s lock is available or not. Whenever a program like apt tries to update or install package(s), it first locks a particular file. Why does the “unable to acquire the dpkg frontend lock” error show up? In this article, we cover how to resolve this error so that you can continue with your important work on your Ubuntu/Debian machine. ![]() It might also look like this while using the Software Center/App Store : Could not get lock – Software Center E: Could not get lock /var/lib/dpkg/lock – open (11: Resource temporarily unavailable)Į: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?.E: Could not get lock /var/lib/apt/lists/lock – open (11: Resource temporarily unavailable)Į: Unable to lock directory /var/lib/apt/lists/. ![]()
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