查看、卸載已安裝的yum包

查看已安裝的yum包

[[email protected] ~]# rpm -qa|grep yum
yum-metadata-parser-1.1.2-16.el6.x86_64
yum-plugin-fastestmirror-1.1.30-17.el6_5.noarch
yum-plugin-security-1.1.30-17.el6_5.noarch
yum-3.2.29-43.el6.centos.noarch
yum-utils-1.1.30-17.el6_5.noarch

卸載軟件包

[[email protected] ~]# rpm -qa|grep yum|xargs rpm -e

下載安裝yum包

下載地址

http://centos.ustc.edu.cn/centos/6.5/os/x86_64/Packages/

http://mirrors.163.com/centos/6/os/x86_64/Packages/

找到對應包如：

http://mirrors.163.com/centos/6/os/x86_64/Packages/

yum-3.2.29-73.el6.centos.noarch.rpm

yum-metadata-parser-1.1.2-16.el6.x86_64.rpm
yum-plugin-fastestmirror-1.1.30-37.el6.noarch.rpm

安裝yum包：

[[email protected] ~]# rpm -ivh yum-*
error: Failed dependencies:
Python
 
-urlgrabber >= 3.9.1-10 is needed by yum-3.2.29-73.el6.centos.noarch

發現錯誤，python-urlgrabber版本必須大於等於3.9.1-10

查看系統的python信息

[[email protected] ~]# rpm -qa|grep python
python-libs-2.6.6-52.el6.x86_64
libproxy-python-0.3.0-4.el6_3.x86_64
newt-python-0.52.11-3.el6.x86_64
python-ethtool-0.6-5.el6.x86_64
python
 
-urlgrabber-3.9.1-9.el6.noarch
python-iniparse-0.3.1-2.1.el6.noarch
abrt-addon-python-2.0.8-21.el6.centos.x86_64
python-setuptools-0.6.10-3.el6.noarch
python-iwlib-0.1-1.2.el6.x86_64
python-pycurl-7.19.0-8.el6.x86_64
python-2.6.6-52.el6.x86_64
libxml2-python-2.7.6-14.el6_5.2.x86_64
dbus-python-0.83.0-6.1.el6.x86_64
libreport-python-2.0.9-19.el6.centos.x86_64
python-pip-7.1.0-1.el6.noarch
rpm-python-4.8.0-37.el6.x86_64

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

下載： wget http://mirrors.163.com/centos/6/os/x86_64/Packages/python-urlgrabber-3.9.1-11.el6.noarch.rpm

安裝：

rpm -ivh python-urlgrabber-3.9.1-11.el6.noarch.rpm

安裝yum

[[email protected] ~]# rpm -ivh yum-*

更改yum源

下載配置文件

http://mirrors.163.com/.help/CentOS6-Base-163.repo

將此配置文件替換/etc/yum.repos.d同名文件

編輯配置文件

#cd /etc/yum.repos.d
#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，提高搜索安裝效率

#yum makecache

測試

#yum seach vim

centos6.5 yum安裝