這種安裝方式爲在系統原基礎上進行編譯安裝python2.7.15不廢話,直接開始主題。
1、環境說明
系統版本Cent OS 7,軟件包存放位置/home/soft,軟件安裝目錄/usr/local/python2.7.15
2、下載Python 安裝包
https://www.python.org/ftp/python/2.7.15/Python-2.7.15.tar.xz
3、解壓安裝
cd /home/soft/ xz -d Python-2.7.15.tar.xz tar -xvf Python-2.7.15.tar cd Python-2.7.15 mkdir /usr/local/python2.7.15 ./configure --prefix=/usr/local/python2.7.15 --enable-optimizations #--enable-optimizations意思爲開啓優化 make && make install
4、進行配置默認python
rm /usr/bin/python ln -s /usr/local/python2.7.15/bin/python2.7 /usr/bin/python
5、進行測試
Python 2.7.15 (default, Oct 21 2018, 10:12:52) [GCC 4.8.5 20150623 (Red Hat 4.8.5-28)] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>>
6、進行配置yum
vi /usr/bin/yum #將#!/usr/bin/python修改爲#!/usr/bin/python2.7 vi /usr/libexec/urlgrabber-ext-down #將#!/usr/bin/python修改爲#!/usr/bin/python2.7
7、進行yum更新測試,安裝完畢。