Answers for "E: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 132202 (apt)"

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

sudo kill -9 PID
sudo rm /var/lib/dpkg/lock-frontend
sudo apt update

how to fix could not fix var lock /var/lib/dpkg/lock ubuntu

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

apt lock

rm -rf /var/cache/apt/* /var/lib/dpkg/lock /var/lib/dpkg/lock-frontend 
/var/cache/debconf/ /var/lib/apt/lists/* 
/var/lib/dpkg/lock /var/lib/dpkg/lock-frontend /var/cache/debconf/