Ubuntu16.04更改下载源aliyun
错误1:W: You may want to run apt-get update to correct these problemsE: The package cache file is corrupted错误2:Some index files failed to download. They have been ignored, or old ones used instead.以上是我改源的时候遇到的问题。然后在这个过程中的话,还是遇到了别的问题,比如因为内网网卡和外网网卡冲突,导致无