ubuntu 卡在waiting for unattended-upgr to exit的解决

https://blog.csdn.net/notacoder/article/details/102680465 

https://blog.csdn.net/weixin_46233323/article/details/104871075

sudo rm /var/lib/apt/lists/lock

sudo rm /var/cache/apt/archives/lock

sudo rm /var/lib/dpkg/lock

sudo rm /var/lib/dpkg/lock-frontend