Ubuntu common error -- cocould not get lock/var/lib/dpkg/lock solution

Ubuntu common error -- cocould not get lock/var/lib/dpkg/lock solves an error when installing sudo apt-get install xxx through the terminal: E: cocould not get lock/var/lib/dpkg/lock-open (11: Resource temporarily unavailable) E: Unable to lock the administration directory (/var/lib/dpkg /), is another process using it this problem may be that another program is running, causing the resource to be locked and unavailable. The reason for the resource lock may be that the last installation or update was not completed properly, and this problem occurs. The solution is actually very simple: enter sudo rm/var/cache/apt/archives/lock sudo rm/var/lib/dpkg/lock in the terminal.