root@uni-virtual-machine:/home/uni# apt install apt-transport-https ca-certificates curl software-properties-common -y
E: 無法獲得鎖 /var/lib/dpkg/lock-frontend - open (11: 資源暫時不可用)
E: 無法獲取 dpkg 前端鎖 (/var/lib/dpkg/lock-frontend)，是否有其他進程正占用它？
查看/var/lib/dpkg/lock-frontend：ls /var/lib/dpkg/lock-frontend
刪除：sudo rm -r -f /var/lib/dpkg/lock-frontend
如果依然報錯：無法獲得鎖 /var/lib/dpkg/lock - open (11: 資源暫時不可用)
刪除：sudo rm -r -f /var/lib/dpkg/lock
