sudo apt-get update
Sometimes the following error will be reported when Ubuntu executes the above statement
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?
Reason: It is because some other program is trying to update Ubuntu. When a command or application updates the system or installs new software, it locks the dpkg file (Debian package manager).
Simple and crude solution:
Execute all the following statements, and then you can execute the apt-get update statement
sudo rm /var/lib/dpkg/lock-frontend sudo rm /var/lib/dpkg/lock sudo rm /var/cache/apt/archives/lock
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