E: Could not get lock /var/lib/dpkg/lock-frontend - open (11: Resource temporarly unavailable)

E: Could not get lock /var/lib/dpkg/lock-frontend - open (11: Resource temporarly unavailable)

不要同时开几个虚拟机，把vm关机再打开，只打开一个ubuntu就行了，意思就是不要同时使用几个

或者等一会在执行命令