centos7换源 linux
~MV/etc（4比索）.d/CentOS Al-Qaeda/c（4比索）.d/CentOS base wget it/etc（4比索）.d/CentOS Al-Qaedahttp://mirrors
~MV/etc（4比索）.d/CentOS Al-Qaeda/c（4比索）.d/CentOS base wget it/etc（4比索）.d/CentOS Al-Qaedahttp://mirrors.163.com/.help/Cenos7-Base-163.repo（4比索，4菲律宾比索）