yum install 에러 질문입니다.

yum install -y gcc* 공지에 있는대로 한 후에는 다음과 같은 에러가 납니다..

답변 부탁드립니다.

[root@server02 ~]# yum install -y gcc*

Loaded plugins: fastestmirror, refresh-packagekit, security

Setting up Install Process

Loading mirror speeds from cached hostfile

http://vault.centos.org/6.10/os/x86_64/repodata/repomd.xml: [Errno 14] Peer cert cannot be verified or peer cert invalid

Trying other mirror.

It was impossible to connect to the Red Hat servers.

This could mean a connectivity issue in your environment, such as the requirement to configure a proxy,

or a transparent proxy that tampers with TLS security, or an incorrect system clock.

Please collect information about the specific failure that occurs in your environment,

using the instructions in: https://access.redhat.com/solutions/1527033 and open a ticket with Red Hat Support.

http://vault.centos.org/6.10/extras/x86_64/repodata/repomd.xml: [Errno 14] Peer cert cannot be verified or peer cert invalid

Trying other mirror.

http://vault.centos.org/6.10/updates/x86_64/repodata/repomd.xml: [Errno 14] Peer cert cannot be verified or peer cert invalid

Trying other mirror.

Resolving Dependencies

--> Running transaction check

---> Package gcc.x86_64 0:4.4.7-23.el6 will be installed

--> Processing Dependency: cpp = 4.4.7-23.el6 for package: gcc-4.4.7-23.el6.x86_64

--> Processing Dependency: cloog-ppl >= 0.15 for package: gcc-4.4.7-23.el6.x86_64

---> Package gcc-c++.x86_64 0:4.4.7-23.el6 will be installed

--> Processing Dependency: libstdc++-devel = 4.4.7-23.el6 for package: gcc-c++-4.4.7-23.el6.x86_64

--> Processing Dependency: libmpfr.so.1()(64bit) for package: gcc-c++-4.4.7-23.el6.x86_64

---> Package gcc-gfortran.x86_64 0:4.4.7-23.el6 will be installed

---> Package gcc-gnat.x86_64 0:4.4.7-23.el6 will be installed

--> Processing Dependency: libgnat-devel = 4.4.7-23.el6 for package: gcc-gnat-4.4.7-23.el6.x86_64

--> Processing Dependency: libgnat = 4.4.7-23.el6 for package: gcc-gnat-4.4.7-23.el6.x86_64

---> Package gcc-java.x86_64 0:4.4.7-23.el6 will be installed

http://vault.centos.org/6.10/os/x86_64/repodata/5f7694d9c6c4a41dee56f51a965c3426ae2f685d6a9fb99d2e5a255c7bec0864-filelists.sqlite.bz2: [Errno 14] Peer cert cannot be verified or peer cert invalid

Trying other mirror.

Error: failure: repodata/5f7694d9c6c4a41dee56f51a965c3426ae2f685d6a9fb99d2e5a255c7bec0864-filelists.sqlite.bz2 from base: [Errno 256] No more mirrors to try.