Linux下安裝EPEL獲取epel-release報(bào)錯(cuò)

虛擬機(jī)配置epel源時(shí)出現(xiàn)下面錯(cuò)誤：
環(huán)境：redhat7 + vmw 12 player
麻煩各位老師提供幫助。謝謝。

[root@localhost yum.repos.d]# ping www.baidu.com
PING www.a.shifen.com (61.135.169.121) 56(84) bytes of data.
^C
--- www.a.shifen.com ping statistics ---
310 packets transmitted, 0 received, 100% packet loss, time 309233ms

[root@localhost yum.repos.d]# rpm -vih http://dl.fedoraproject.org/p...
獲取http://dl.fedoraproject.org/p...
curl: (5) Could not resolve proxy: http; 未知的名稱或服務(wù)
錯(cuò)誤：跳過 http://dl.fedoraproject.org/p... - 傳輸失敗
[root@localhost yum.repos.d]# rpm -Uvh http://mirrors.kernel.org/fed...
獲取http://mirrors.kernel.org/fed...
curl: (5) Could not resolve proxy: http; 未知的名稱或服務(wù)
錯(cuò)誤：跳過 http://mirrors.kernel.org/fed... - 傳輸失敗
[root@localhost yum.repos.d]# name -a
bash: name: 未找到命令...
[root@localhost yum.repos.d]# uname -a
Linux localhost.localdomain 3.10.0-327.el7.x86_64 #1 SMP Thu Oct 29 17:29:29 EDT 2015 x86_64 x86_64 x86_64 GNU/Linux
[root@localhost yum.repos.d]# cat /etc/redhat-release
Red Hat Enterprise Linux Server release 7.2 (Maipo)
[root@localhost yum.repos.d]# rpm -ivh http://dl.fedoraproject.org/p...
獲取http://dl.fedoraproject.org/p...
curl: (5) Could not resolve proxy: http; 未知的名稱或服務(wù)
錯(cuò)誤：跳過 http://dl.fedoraproject.org/p... - 傳輸失敗
[root@localhost yum.repos.d]# wget http://dl.fedoraproject.org/p...
--2018-06-20 13:41:58-- http://dl.fedoraproject.org/p...
正在解析主機(jī) http (http)... 失敗：未知的名稱或服務(wù)。
wget: 無法解析主機(jī)地址 “http”

我是根據(jù)這篇文章實(shí)踐的https://www.cnblogs.com/dadon...。