Resolve Linuxyum failure

Linuxyum failed to solve the problem: The yum installer is required in CentOS5.5, and the following error occurs: TherewasaproblemimportingoneofthePythonmodulesrequiredtorunyum. theerrorleadingtothisproblem... linux yum fails to solve the problem: in CentOS 5.5, you need to use the yum installer. the following error occurs: There was a problem importing one of the Python modulesrequired to run yum. the error leading to this problem was:/usr/lib/python2.4/site-packages/_ sqlitecache. so: wrong ELF class: ELFCLASS32Please install a package which provides this module, orverify that the module is installed correctly. solution: go to dog search because the python version is incompatible. you can uninstall the original yum and reinstall it. 1. determine the current CentOS version [root @ centos-74 yum. repos. d] # lsb_release-aLSB Version: core-3.1-amd64: core-3.1-ia32: core-3.1-noarch: graphics-3.1-amd64: graphics-3.1-ia32: graphics-3.1-noarchDistributor ID: CentOSDescription: CentOS release 5.5 (Final) Release: 5.5 Codename: final can see that the current CentOS version is 5.5; [root @ centos-74 yum. repos. d] # uname-aLinux centos-74 2.6.18-194. el5 #1 SMP Fri Apr 2 14:58:14 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux: the installed X86_64 system is displayed. 2. install yum program 2.1 and download the required rpm package from NetEase's mirrors; wget http://mirrors.163.com/centos/5/os/x86_64/CentOS/python-iniparse-0.2.3-4.el5.noarch.rpm This file has been downloaded from NetEase site has not been, only python-iniparse-0.2.3-6.el5.noarch.rpm, but the python-iniparse-0.2.3-6.el5.noarch.rpm will have compatibility problems with the other three files, so, put the dog search, download the python-iniparse-0.2.3-4.el5.noarch.rpmwget from other places http://mirrors.163.com/centos/5/os/x86_64/CentOS/yum-3.2.22-40.el5.centos.noarch.rpmwget http://mirrors.163.com/centos/5/os/x86_64/CentOS/yum-fastestmirror-1.1.16-21.el5.centos.noarch.rpmwget http://mirrors.163.com/centos/5/os/x86_64/CentOS/yum-metadata-parser-1.1.2-4.el5.centos.x86_64.rpm2.2 Install the downloaded package rpm-ivh -- nodeps python-iniparse-0.2.3-4.el5.noarch.rpm yum-3.2.22-40.el5.centos.noarch.rpm yum-metadata-parser-1.1.2-4.el5.centos.x86_64.rpm yum-fastestmirror-1.1.16-21.el5.centos.noarch.rpm somehow, after the above command is executed only prompts that the first package python-iniparse-0.2.3-4.el5.noarch.rpmPreparing is installed... ######################################## ### [100%] package python-iniparse-0.2.3-4.el5.noarch is already installed re-install the remaining package, rpm-ivh -- nodeps yum-3.2.22-40.el5.centos.noarch.rpm yum-metadata-parser-1.1.2-4.el5.centos.x86_64.rpm yum-fastestmirror-1.1.16-21.el5.centos.noarch.rpmPreparing... ######################################## ### [100%] 1: yum-metadata-parser ################################### ####### [33%] 2: yum-fastestmirror ##################################### ###### [67%] 3: yum ####################################### #### [100%] run the command rpm-qa | grep yum to view the installation result [root @ centos-74 zhao] # rpm-qa | grep yumyum-3.2.22-40.el5.centosyum-fastestmirror-1.1.16-21.el5.centosyum-metadata-parser-1.1.2-4.el5 [root @ centos-74 zhao] # import the certificate rpm-import http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-5 Let yum use NetEase's source: # cd/etc/yum. repos. d/# wget http://mirrors.163.com/.help/CentOS-Base-163.repo Edit the CentOS-Base-163.repo, add # before all your list, replace all $ releasever with 5, and save. # After yum clean metadata is complete, yum can work normally and update yum # yum-y upgrade