Answers for "Could not open lock file /var/lib/dpkg/lock - open (13: Permission denied) 22:19:48 E: Unable to lock the administration directory (/var/lib/dpkg/), are you root?"

Could not open lock file /var/lib/dpkg/lock-frontend - open (13: Permission denied)

Try 'sudo apt-get update' or 'sudo apt-get upgrade'

Kali linux Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), are you root? virtualbox

sudo rm /var/lib/apt/lists/lock
sudo rm /var/cache/apt/archives/lock
sudo rm /var/lib/dpkg/lock*
sudo dpkg --configure -a
sudo apt update