DYW929076863的博客

The host ‘xxx.xxx.xxx.xxx’ is unreachable.the host may be down,or there may be a problem with the network connection.Sometimes such problems can also be caused by a misconfigured firewall。原因：ubunt...

出现原因：在任务管理器强制结束了进程，再次打开出现了这个问题，可能是因为强制退出导致了占用线程而再次打开虚拟机的时候被占用资源。使用vmware时候，建议在软件中先关闭虚拟机，不然会出现很多小问题...

[sudo] password for os: E: Could not get lock /var/lib/dpkg/lock-frontend - open (11: Resource temporarily unavailable)E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is a...