flyinweb's blog

解决Centos5上升级Python后yum不能用的问题

There was a problem importing one of the Python modules
required to run yum. The error leading to this problem was:
 
 No module named yum
 
Please install a packagewhich provides this module, or
verify that the module is installed correctly.
 
It's possible that the above module doesn't match the
current version of Python, which is:
2.6.5 (r265:79063, Jul  22010, 16:30:56)[GCC 4.1.2 20080704(Red Hat 4.1.2-46)]If you cannot solve this problem yourself, please go to
the yum faq at:
 http://wiki.linux.duke.edu/YumFaq

1、启动系统，我是用iso镜像挂载，挂载到/media/cdrom
mkdir /media/cdrom
mount -a -t iso9660 -o loop /home/user1/CentOS-5.6-i386-bin-DVD.iso /media/cdrom
2、安装FTP服务（如果系统已带则在桌面 管理－服务器设置－服务 可以很方便的启动vsftpd服务）
cd /media/cdrom/CentOS
rpm -ivh vsftpd*
chkconfig vsftpd on
service vsftpd start
3、安装createrepo的软件包
cd /media/cdrom/CentOS
rpm -ivh createrepo*
4、拷贝系统盘里的文件到本机
cp -R /media/cdrom/CentOS /var/ftp/pub
cp -R /media/cdrom/repodata /var/ftp/pub
5、生成yum源
（1）生成依赖关系
[root@flyinweb repodata]# createrepo -g /var/ftp/pub/repodata/comps.xml /var/ftp/pub/CentOS/
2682/2682 - nfs-utils-lib-devel-1.0.8-7.6.el5.i386.rpm                         
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How do I install packages via DVD / CD using yum command under CentOS Community Enterprise Linux version 5.x?

How do I use yum command to update and patch my Red hat Enterprise Linux / CentOS Linux version 5.x server via RHN / Internet? Can I use up2date command under RHEL 5?

up2date command was part of RHEL v4.x or older version. You need to use yum command to update and patch the system using RHN or Internet. Use yum command to install critical and non-critical security updates as well as binary packages. Login as the root user to install and update the system.

yum groupinstall "Chinese Support" 从Windows转到Linux下面，一个不习惯的地方就是在图形界面下安装和删除软件的时候非常缓慢。但是如果你掌握了用yum的命令行模式进行配置程序，你肯定会从心底喜欢上这个强大的工具。因为yum提供了查找、安装、删除某一个、一组甚至全部软件包的命令，而且命令简洁而又好记。