新安裝了redhat6.5安裝後,登陸系統,使用yum update 更新系統。提示:node
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.python
沒法更新。vim
redhat 默認自帶的 yum 源須要註冊,才能更新。咱們想不花錢也能夠更新,須要替換掉redhat的yum源。centos
1.檢查是否安裝yum包緩存
查看RHEL是否安裝了yum,如果安裝了,那麼又有哪些yum包:服務器
[root@localhost ~]# rpm -qa |grep yum yum-metadata-parser-1.0-8.fc6 yum-3.0.1-5.el5 yum-rhn-plugin-0.4.3-1.el5 yum-updatesd-3.0.1-5.el5
2 刪除redhat自帶的yum包測試
卸載上面顯示的全部yum包:url
[root@localhost ~]# rpm -qa|grep yum|xargs rpm -e --nodeps(不檢查依賴,直接刪除rpm包)再用 [root@localhost ~]# rpm -qa |grep yum [root@localhost ~]#
查看,無信息顯示錶示已經卸載完成。blog
3.下載新的yum包。使用Centos6.5的yum包ip
[root@madao yum.repos.d]# wget http://mirrors.163.com/centos/6/os/i386/Packages/yum-3.2.29-60.el6.centos.noarch.rpm
[root@madao yum.repos.d]# wget http://mirrors.163.com/centos/6/os/i386/Packages/yum-metadata-parser-1.1.2-16.el6.x86_64.rpm
[root@madao yum.repos.d]# wget http://mirrors.163.com/centos/6/os/i386/Packages/yum-plugin-fastestmirror-1.1.30-30.el6.noarch.rpm
[root@madao yum.repos.d]# wget http://mirrors.163.com/centos/6/os/i386/Packages/python-iniparse-0.3.1-2.1.el6.noarch.rpm
(這裏的地址不必定對)
若是404?直接到http://mirrors.163.com/centos/6/os/上本身找就OK了
安裝yum
[root@madao yum.repos.d]# rpm -ivh python-iniparse-0.3.1-2.1.el6.noarch.rpm [root@madao yum.repos.d]# rpm -ivh yum-metadata-parser-1.1.2-16.el6.x86_64.rpm [root@madao yum.repos.d]# rpm -ivh yum-3.2.29-60.el6.centos.noarch.rpm yum-plugin-fastestmirror-1.1.30-30.el6.noarch.rpm //rpm -ivh yum和yum-plugin-fastestmirror有相依性,因此要一塊兒裝
若是按照遇到問題:發現錯誤,python-urlgrabber版本必須大於等於3.9.1-10
# rpm -ivh yum-3.2.29-73.el6.centos.noarch.rpm yum-plugin-fastestmirror-1.1.30-37.el6.noarch.rpm warning: yum-3.2.29-73.el6.centos.noarch.rpm: Header V3 RSA/SHA1 Signature, key ID c105b9de: NOKEY error: Failed dependencies: python-urlgrabber >= 3.9.1-10 is needed by yum-3.2.29-73.el6.centos.noarc
查看系統的python信息
# rpm -qa|grep python
發現python-urlgrabber-3.9.1-9.el6.noarch 版本低於3.9.1-10
卸載:python-urlgrabber-3.9.1-9.el6.noarch
rpm -e python-urlgrabber-3.9.1-9.el6.noarch
安裝:rpm -ivh python-urlgrabber-3.9.1-11.el6.noarch.rpm
或者編輯配置文件
#vim CentOS-Base.repo
把$releasever替換成現有系統的版本號(6)
vim替換命令
:%s/$releasever/6/g
退出保存
清理yum緩存
#yum clean all 將服務器軟件包信息緩存至本地,提升搜索安裝效率 #yum makecache
測試
#yum seach vim
轉載:http://qingwang.blog.51cto.com/505009/1551228