Common Linux errors 1-> E: unable to obtain the lock/var/lib/APT/lists/lock-open

Solemnly declare: This article is written by the author based on my personal understanding. errors are inevitable. Please be prepared!

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Cause: In most cases, the cause of the problem is that other programs, such as automatic updates of the system, are using the apt-Get process, so the solution is to close the process.

Solution:

1. PS-Aux identifies the PID of the apt-Get process, which is usually a four-digit number.
2. Use the sudo kill PID code to kill the process.

3. Use sudo apt-Get update and sudo apt-Get dist-upgrade to upgrade.