Shell/Bash: could not open lock file /var/lib/dpkg/lock-frontend - open (13: permission denied) Example
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Could not get lock /var/lib/dpkg/lock-frontend - open (11: Resource temporarily unavailable)
Method 1 ps aux | grep -i apt sudo kill -9Method 2 sudo lsof /var/lib/dpkg/lock sudo lsof /var/lib/apt/lists/lock sudo lsof /var/cache/apt/archives/lock sudo kill -9 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
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 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# 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 # Another, easier way would be to use the killall command. This will kill all the instances of a running program: sudo killall apt apt-get
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 upgrade
E: Could not get lock /var/lib/dpkg/lock-frontend - open (11: Resource temporarily unavailable)
sudo rm /var/cache/apt/archives/lock sudo rm /var/lib/dpkg/lock
E: 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-frontend
* Summary: This "could not open lock file /var/lib/dpkg/lock-frontend - open (13: permission denied)" Shell/Bash Example is compiled from the internet. If you have any questions, please leave a comment. Thank you!