Use yum install BC, display Centos yum error: always find a valid baseurl for repo: base/seven/x86_6
On the Internet to find the solution, CD/etc/sysconfig/network - scripts/, use the ls - a finding similar to ifcfg - eth0 file (not necessarily the same), edit, say to want to use vi the ONBOOT=no, instead ONBOOT=yes, but when I open this file with vi, the inside is empty, what all have no,
Excuse me, how to solve???