Couldn’t resolve host ‘

Explain the function of static keyword and final keyword in Java in detail>>>

When learning how to use Yum in centos6, I suddenly reported this exception. The most likely reason is that there is something wrong with the DNS server. Because the error said: unable to resolve the domain name ‘mirrorlist. CentOS. Org’

First of all, we can configure the DNS server by using the graphical interface or by modifying it




The specific DNS address will be assigned automatically when dynamic allocation is used. It can be obtained by dynamic allocation before static configuration

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