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如何撤消“yum remove python”

tag-icon • tag-icon centos python yum
如何撤消“yum remove python”

我有一个基于 Centos 6 的 VPS，带有 ssh 连接。最近想安装 python 2.7.2，我勇敢地运行了：

yum remove python

这显然删除了 yum 本身的编写或对 python 的依赖。

现在我不知道该做什么，更糟糕的是，我是一个完全的 Linux 新手（命令行或其他）。

跑步rpm -iv http://centos.mirrors.hoobly.com/6.0/os/x86_64/Packages/python-2.6.5-3.el6.x86_64.rpm可得：

Retrieving http://centos.mirrors.hoobly.com/6.0/os/x86_64/Packages/python-2.6.5-3.el6.x86_64.rpm
Preparing packages for installation...
        package python-2.6.5-3.el6.x86_64 is already installed

它是一个 x86_64 服务器，毫无疑问，因为“uname -a”给出：

Linux xxxxxx 2.6.32-71.29.1.el6.x86_64 #1 SMP Mon Jun 27 19:49:27 BST 2011 x86_64 x86_64 x86_64   GNU/Linux

还有一件事：ls /usr/bin/pyth* -la给出：

lrwxrwxrwx 1 root root    6 Dec  4 20:31 python2 -> python
-rwxr-xr-x 2 root root 4864 Nov 12  2010 python2.6
-rwxr-xr-x 2 root root 4864 Nov 12  2010 python;4edbd894

答案1

从列表中选择一个镜像CentOS 6 镜像并使用 安装您需要的软件包rpm。您需要处理依赖项。幸运的是，我有一个安装了 CentOS 6 x86_64 的裸机 VM。

我拍摄了虚拟机的快照，运行后yum remove python发现解决循环依赖关系还是挺有趣的。最终结果：

# --nodeps: because of circular dependency between python and python-libs
rpm -i --nodeps http://centos.mirrors.hoobly.com/6.0/os/x86_64/Packages/python-libs-2.6.5-3.el6.x86_64.rpm
rpm -i http://centos.mirrors.hoobly.com/6.0/os/x86_64/Packages/python-2.6.5-3.el6.x86_64.rpm
rpm -i http://centos.mirrors.hoobly.com/6.0/os/x86_64/Packages/pygpgme-0.1-18.20090824bzr68.el6.x86_64.rpm
rpm -i http://centos.mirrors.hoobly.com/6.0/os/x86_64/Packages/python-iniparse-0.3.1-2.1.el6.noarch.rpm
rpm -i http://centos.mirrors.hoobly.com/6.0/os/x86_64/Packages/python-pycurl-7.19.0-5.el6.x86_64.rpm 
rpm -i http://centos.mirrors.hoobly.com/6.0/os/x86_64/Packages/python-urlgrabber-3.9.1-7.el6.noarch.rpm 
rpm -i http://centos.mirrors.hoobly.com/6.0/os/x86_64/Packages/rpm-python-4.8.0-12.el6.x86_64.rpm 
rpm -i http://centos.mirrors.hoobly.com/6.0/os/x86_64/Packages/yum-metadata-parser-1.1.2-14.1.el6.x86_64.rpm
# --nodeps: because of circular dependency between yum and yum-plugin-fastestmirror
rpm -i --nodeps http://centos.mirrors.hoobly.com/6.0/os/x86_64/Packages/yum-plugin-fastestmirror-1.1.26-11.el6.noarch.rpm
rpm -i http://centos.mirrors.hoobly.com/6.0/os/x86_64/Packages/yum-3.2.27-14.el6.centos.noarch.rpm

替换您想要的镜像。另外，确保架构匹配。不过这应该可以解决问题！

哦，还有一件事：如果我是你，我会yum upgrade在你安装完 RPM 后立即运行。

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