Could not open lock file /var/lib/dpkg/lock-frontend - open (13: Permission denied)
Try 'sudo apt-get update' or 'sudo apt-get upgrade'Could not open lock file /var/lib/dpkg/lock-frontend - open (13: Permission denied)
Try 'sudo apt-get update' or 'sudo apt-get upgrade'E: Could not open lock file /var/lib/dpkg/lock-frontend - open (13: Permission denied) E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), are you root?
sudo must be used before and after &&
Example:
sudo apt-get update && sudo apt-get upgradeE: Could not open lock file /var/lib/dpkg/lock-frontend - open (13: Permission denied)
// This occurs due to permission denial
// simply add sudo
sudo apt install something
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