升級7.x的bind到最新的bind 9.2.1
Not authorized to perform operation.
Could not open Selected VM debug port (8700)
vsFTPd的553 Could not create file錯誤
The command could not be located because '/usr/bin' is not included解決
could not exec dpkg的解決
Device eth0 does not seem to be present, delaying initialization
centos could not retrieve mirrorlist
