沒法得到鎖 /var/lib/dpkg/lock-frontend - open (11: 資源暫時不可用)

問題：沒法得到鎖 /var/lib/dpkg/lock-frontend - open (11: 資源暫時不可用) sudo apt-get install ros-kinetic-librealsense  E: 沒法得到鎖 /var/lib/dpkg/lock-frontend - open (11: 資源暫時不可用) E: Unable to acquire the dpkg fronten

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