Answers for "nable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it"

dpkg: error: dpkg frontend lock is locked by another process

First, find out the id of the process that is holding the lock file:

lsof /var/lib/dpkg/lock-frontend

The above command will give you the PID of the processes using the lock files. Use this PID to kill the process:

sudo kill -9 PID

Now you can remove the lock and reconfigure dpkg:

sudo rm /var/lib/dpkg/lock-frontend
sudo dpkg --configure -a

Posted by: Guest on March-08-2021

E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), are you root?

ps aux | grep -i apt

Posted by: Guest on November-03-2020

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