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 get lock /var/lib/dpkg/lock-frontend - open (11: Resource temporarily unavailable)
Method 1
ps aux | grep -i apt
sudo kill -9 <process_id>
Method 2
sudo lsof /var/lib/dpkg/lock
sudo lsof /var/lib/apt/lists/lock
sudo lsof /var/cache/apt/archives/lock
sudo kill -9 <process_id>
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 updateE: Could not get lock /var/lib/dpkg/lock-frontend - open (11: Resource temporarily unavailable) E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?
ps aux | grep -i apt
sudo kill <process_id>
# Check if the process was killed by running the ‘ps aux | grep -i apt’ command. If it is still running, force kill it with SIGKILL signal:
sudo kill -9 <process_id>
# Another, easier way would be to use the killall command. This will kill all the instances of a running program:
sudo killall apt apt-getCould 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 upgradewaiting for cache lock, Could not get lock /var/lib/dpkg/lock-frontend.
sudo lsof /var/lib/dpkg/lock
or
sudo lsof /var/lib/apt/lists/lock
or
sudo lsof /var/lib/dpkg/lock-frontendCopyright © 2021 Codeinu
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