Dediğinizi yaptım ama aşağıdaki hatayı verdi
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[root@lin ~]# yum install glibc-c++
Setting up Install Process
Setting up repositories
updates-released 100% |=========================| 951 B 00:00
extras 100% |=========================| 1.1 kB 00:00
base 100% |=========================| 1.1 kB 00:00
Reading repository metadata in from local files
Error: failure: repodata/primary.xml.gz from base: [Errno 256] No more mirrors to try.