RHEL7 配置網絡yum源


redhat系統安裝好盡管默認帶有yum,但是redhat的更新包只對注冊用戶有效(收費)。所以需要更換yum源。

基本的流程就是:

1.刪除redhat7.0系統自帶的yum軟件包;
2.自行下載所需要的軟件包;
3.根據依賴項安裝;
4.新建repo配置文件。
一般來說,之后就可以正常使用了。可能還會遇到一些依賴項的問題,后面會提到。

 

流程
1、查看自帶的yum軟件包

 

[root@192 ~]#  rpm -qa | grep yum
yum-utils-1.1.31-24.el7.noarch
yum-langpacks-0.4.2-3.el7.noarch
yum-metadata-parser-1.1.4-10.el7.x86_64
yum-rhn-plugin-2.0.1-4.el7.noarch
PackageKit-yum-0.8.9-11.el7.x86_64
yum-3.4.3-117.el7.noarch

 這下面列出來的軟件包,要記住一下,后面要根據其來搜索rpm包來安裝新版本。比如”yum-utils”、”yum-langpacks”等等。

2、卸載這些安裝包

[root@linuxprobe ~]# rpm -e yum-3.4.3-118.el7.noarch --nodeps
[root@linuxprobe ~]# rpm -e yum-utils-1.1.31-24.el7.noarch --nodeps
[root@linuxprobe ~]# rpm -e yum-rhn-plugin-2.0.1-4.el7.noarch --nodeps
[root@linuxprobe ~]# rpm -e yum-metadata-parser-1.1.4-10.el7.x86_64 --nodeps
[root@linuxprobe ~]# rpm -e yum-langpacks-0.4.2-3.el7.noarch --nodeps
[root@linuxprobe ~]# rpm -e PackageKit-yum-0.8.9-11.el7.x86_64 --nodeps

 

3、保證上網正常

ping www.baidu.com

4、進入以下網站下載對應的rpm包

阿里雲網絡源地址:https://mirrors.aliyun.com/centos/7/os/x86_64/Packages/
網易163網絡源地址:http://mirrors.163.com/
CentOS網絡源地址:http://centos.ustc.edu.cn/centos/
使用CTRL+F輸入關鍵字查找對應的安裝包即可。

5、找到安裝包后下載下來

由於輸出結果較多,故省略,下面是輸入指令:

wget http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-3.4.3-158.el7.centos.noarch.rpm

wget http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-metadata-parser-1.1.4-10.el7.x86_64.rpm

wget http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-utils-1.1.31-45.el7.noarch.rpm

wget http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-updateonboot-1.1.31-45.el7.noarch.rpm

wget http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-plugin-fastestmirror-1.1.31-45.el7.noarch.rpm


6、安裝
輸入指令rpm -ivh yum-*,遇到報錯,依賴項問題。

[root@192 ~]# rpm -ivh yum-*
警告:yum-3.4.3-161.el7.centos.noarch.rpm: 頭V3 RSA/SHA256 Signature, 密鑰 ID f4       a80eb5: NOKEY
錯誤:依賴檢測失敗:
        python-urlgrabber >= 3.10-8 被 yum-3.4.3-161.el7.centos.noarch 需要
        rpm >= 0:4.11.3-22 被 yum-3.4.3-161.el7.centos.noarch 需要
        yum-plugin-fastestmirror 被 yum-3.4.3-161.el7.centos.noarch 需要

另外再回去找安裝包下載下來:

 

 

 輸入指令更新rpm:

rpm -Uvh yum-plugin-fastestmirror-1.1.31-50.el7.noarch.rpm
rpm -Uvh python-urlgrabber-3.10-9.el7.noarch.rpm

 

 小技巧: 查找需要依賴的安裝包,可以在網站里搜索關鍵字,這樣最省時最快!

 

再次運行rpm -ivh yum-*

[root@192 ~]# rpm -ivh yum-*
警告:yum-3.4.3-161.el7.centos.noarch.rpm: 頭V3 RSA/SHA256 Signature, 密鑰 ID f4       a80eb5: NOKEY
警告:軟件包 yum-3.4.3-161.el7.centos.noarch 已被加入,跳過 yum-3.4.3-161.el7.ce       ntos.noarch
准備中...                          ################################# [100%]
正在升級/安裝...
   1:yum-metadata-parser-1.1.4-10.el7 ################################# [ 17%]
   2:yum-plugin-fastestmirror-1.1.31-5################################# [ 33%]
   3:yum-3.4.3-161.el7.centos         ################################# [ 50%]
   4:yum-langpacks-0.4.2-7.el7        ################################# [ 67%]
   5:yum-rhn-plugin-2.0.1-10.el7      ################################# [ 83%]
   6:yum-utils-1.1.31-50.el7          ################################# [100%]

7、新建repo配置文件

創建repo文件:

vim /etc/yum.repos.d/CentOS-Base.repo

輸入以下內容:

#CentOS-Base.repo

#

# The mirror system uses the connecting IP address of the client and the

# update status of each mirror to pick mirrors that are updated to and

# geographically close to the client.  You should use this for CentOS updates

# unless you are manually picking other mirrors.

#

# If the mirrorlist= does not work for you, as a fall back you can try the

# remarked out baseurl= line instead.

#

# [base] name=CentOS-$7 - Base - 163.com

#mirrorlist=http://mirrorlist.centos.org/?release=$7&arch=$basearch&repo=os

baseurl=http://mirrors.163.com/centos/7/os/$basearch/

gpgcheck=1

gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-7

#released updates

[updates]

name=CentOS-$7 - Updates - 163.com

#mirrorlist=http://mirrorlist.centos.org/?release=$7&arch=$basearch&repo=updates

baseurl=http://mirrors.163.com/centos/7/updates/$basearch/

gpgcheck=1 gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-7

#additional packages that may be useful

[extras]

name=CentOS-$7 - Extras - 163.com

#mirrorlist=http://mirrorlist.centos.org/?release=$7&arch=$basearch&repo=extras

baseurl=http://mirrors.163.com/centos/7/extras/$basearch/

gpgcheck=1

gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-7

#additional packages that extend functionality of existing packages

[centosplus]

name=CentOS-$7 - Plus - 163.com

baseurl=http://mirrors.163.com/centos/7/centosplus/$basearch/

gpgcheck=1

enabled=0

gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-7

8、測試yum是否配置成功

隨便下一個軟件看看:

[root@192 ~]# yum -y install tree
已加載插件:fastestmirror, langpacks, product-id, subscription-mana                    ger
This system is not registered to Red Hat Subscription Management. Y                    ou can use subscription-manager to register.
Determining fastest mirrors
base                                        | 3.6 kB     00:00
extras                                      | 3.4 kB     00:00
updates                                     | 3.4 kB     00:00
(1/4): extras/x86_64/primary_db               | 156 kB   00:02
(2/4): base/x86_64/group_gz                   | 166 kB   00:02
(3/4): updates/x86_64/primary_db              | 1.3 MB   00:03
(4/4): base/x86_64/primary_db                 | 6.0 MB   00:03
正在解決依賴關系
--> 正在檢查事務
---> 軟件包 tree.x86_64.0.1.6.0-10.el7 將被 安裝
--> 解決依賴關系完成

 

 

 

 

 

 

 


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