[Linux] Could not get lock /var/lib/dpkg/lock-frontend 에러

에러 메시지

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

 

해결 방법

$ sudo rm /var/lib/apt/lists/lock
$ sudo rm /var/cache/apt/archives/lock
$ sudo rm /var/lib/dpkg/lock*