RedHat升级Python到2.7.6

从今天开始学习Python！看了一下虚拟机RedHat中的python，发现还是原生的2.4.3，所以决定升级一下[root@linuxidc ~]# python
Python 2.4.3 （#1, May 5 2011, 16:39:10）
[GCC 4.1.2 20080704 （Red Hat 4.1.2-50）] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>>
[root@linuxidc ~]#1.下载z最新版本的python[root@linuxidc ~]# wget http://python.org/ftp/python/2.7.6/Python-2.7.6.tgz2.解压及编译[root@linuxidc ~]# tar xvf Python-2.7.2.tar.bz2
[root@linuxidc Python-2.7.6]# ./configure --prefix=/usr/local/python27
[root@linuxidc Python-2.7.6]# make
[root@linuxidc Python-2.7.6]# make install[root@linuxidc Python-2.7.6]# ls /usr/local/python27/ -al
total 28
drwxr-xr-x  6 root root 4096 Mar 21 01:01 .
drwxr-xr-x 13 root root 4096 Mar 21 01:01 ..
drwxr-xr-x  2 root root 4096 Mar 21 01:01 bin
drwxr-xr-x  3 root root 4096 Mar 21 01:01 include
drwxr-xr-x  4 root root 4096 Mar 21 01:01 lib
drwxr-xr-x  3 root root 4096 Mar 21 01:01 share3.覆盖原有的python链接[root@linuxidc Python-2.7.6]# mv /usr/bin/python /usr/bin/python_old
[root@linuxidc Python-2.7.6]# ln -s /usr/local/python27/bin/python /usr/bin/
[root@linuxidc Python-2.7.6]# python
Python 2.7.6 （default, Mar 21 2014, 01:00:09）
[GCC 4.1.2 20080704 （Red Hat 4.1.2-44）] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>>此时已经可以正常使用python2.7了，但是因为yum是使用的2.4的版本来用的，现在输入一下yum就会报错[root@linuxidc Python-2.7.6]# yum
There was a problem importing one of the Python modules
required to run yum. The error leading to this problem was: No module named yumPlease install a package which 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:
2.7.6 （default, Mar 21 2014, 01:00:09）
[GCC 4.1.2 20080704 （Red Hat 4.1.2-44）]If you cannot solve this problem yourself, please go to
the yum faq at:
http://wiki.linux.duke.edu/YumFaq5.修改yum[root@linuxidc Python-2.7.6]# vim /usr/bin/yum#！/usr/bin/python #修改此处为2.4的位置[root@linuxidc Python-2.7.6]# vim /usr/bin/yum#！/usr/bin/python2.4yum 可以使用了！[root@linuxidc Python-2.7.6]# yum
Loaded plugins: rhnplugin, security
You need to give some command
usage: yum [options] COMMANDList of Commands:check-update Check for available package updates
clean Remove cached data
deplist List a package"s dependencies
erase Remove a package or packages from your system
groupinfo Display details about a package group
groupinstall Install the packages in a group on your system
grouplist List available package groups
groupremove Remove the packages in a group from your system
help Display a helpful usage message
info Display details about a package or group of packages
info-security Returns security data for the packages listed, that affects your system
install Install a package or packages on your system
list List a package or groups of packages
list-security Returns security data for the packages listed, that affects your system
localinstall Install a local RPM
makecache Generate the metadata cache
provides Find what package provides the given value
reinstall reinstall a package
repolist Display the configured software repositories
resolvedep Determine which package provides the given dependency
search Search package details for the given string
shell Run an interactive yum shell
update Update a package or packages on your system
update-minimal Works like update, but goes to the "newest" package match which fixes a problem that affects your system
upgrade Update packages taking obsoletes into account
options:
-h, --help show this help message and exit
-t, --tolerant be tolerant of errors
-C run entirely from cache, don"t update cache
-c [config file] config file location
-R [minutes] maximum command wait time
-d [debug level] debugging output level
--showduplicates show duplicates, in repos, in list/search commands
-e [error level] error output level
-q, --quiet quiet operation
-v, --verbose verbose operation
-y answer yes for all questions
--version show Yum version and exit
--installroot=[path] set install root
--enablerepo=[repo] enable one or more repositories （wildcards allowed）
--disablerepo=[repo] disable one or more repositories （wildcards allowed）
-x [package], --exclude=[package]
exclude package（s） by name or glob
--disableexcludes=[repo]
disable exclude from main, for a repo or for
everything
--obsoletes enable obsoletes processing during updates
--noplugins disable Yum plugins
--nogpgcheck disable gpg signature checking
--disableplugin=[plugin]
disable plugins by name
--enableplugin=[plugin]
enable plugins by name
--skip-broken skip packages with depsolving problems
--security Include security relevant packages
--cve=CVE Include packages needed to fix the given CVE
--bz=BZ Include packages needed to fix the given BZ
--advisory=ADVISORY Include packages needed to fix the given advisory
[root@linuxidc Python-2.7.6]#Python 的详细介绍：请点这里
Python 的下载地址：请点这里推荐阅读：《Python开发技术详解》.（周伟,宗杰）.[高清PDF扫描版+随书视频+代码] http://www.linuxidc.com/Linux/2013-11/92693.htmPython脚本获取Linux系统信息 http://www.linuxidc.com/Linux/2013-08/88531.htm更多RedHat相关信息见RedHat 专题页面 http://www.linuxidc.com/topicnews.aspx？tid=10超酷的 Linux/Unix 终端/控制台工具小集合RedHat 系统使用yum网络源相关资讯 Python 2.7.6 Python升级

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