Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?
ps aux | grep -i dpkg
// Kill processes which are running
sudo kill -9 <pid>
// Restart the accounts daemon
sudo systemctl restart accounts-daemonUnable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?
ps aux | grep -i dpkg
// Kill processes which are running
sudo kill -9 <pid>
// Restart the accounts daemon
sudo systemctl restart accounts-daemonCould 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 upgradeUnable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), are you root?
ps aux | grep -i aptE: Could not get lock /var/lib/dpkg/lock-frontend - open (11: Resource temporarily unavailable)
sudo rm /var/lib/apt/lists/locksudo rm /var/lib/apt/lists/lock-frontendwhy upgrade ubuntu then frequently shows this message "It iwating for cache lock: Could not get lock /var/lib/dpkg/lock.frontend.
It iwating for cache lock: Could not get lock /var/lib/dpkg/lock.frontend.Copyright © 2021 Codeinu
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