redhat 升级Python到2.7.6
2014-03-21 01:35
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从今天开始学习Python!看了一下虚拟机中的python,发现还是原生的2.4.3,所以决定升级一下
1.下载z最新版本的python
[root@xjh ~]# 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@xjh ~]#
1.下载z最新版本的python
[root@xjh ~]# wget http://python.org/ftp/python/2.7.6/Python-2.7.6.tgz[/code]
2.解压及编译[root@xjh ~]# tar xvf Python-2.7.2.tar.bz2 [root@xjh Python-2.7.6]# ./configure --prefix=/usr/local/python27 [root@xjh Python-2.7.6]# make [root@xjh Python-2.7.6]# make install[root@xjh 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 share
3.覆盖原有的python链接[root@xjh Python-2.7.6]# mv /usr/bin/python /usr/bin/python_old [root@xjh Python-2.7.6]# ln -s /usr/local/python27/bin/python /usr/bin/ [root@xjh 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@xjh 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 yum Please 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/YumFaq[/code]
5.修改yum[root@xjh Python-2.7.6]# vim /usr/bin/yum #!/usr/bin/python #修改此处为2.4的位置
[root@xjh Python-2.7.6]# vim /usr/bin/yum #!/usr/bin/python2.4
yum 可以使用了![root@xjh Python-2.7.6]# yum Loaded plugins: rhnplugin, security You need to give some command usage: yum [options] COMMAND List 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@xjh Python-2.7.6]#
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