Centos6.8安裝python環境

一.安裝步驟
1.檢查系統python
CentOS 6.8自帶的是Python 2.6.6，yum中最新的也是Python 2.6.6，只能下載Python 2.7.12的源代碼本身編譯安裝。以下圖：

2. 安裝Development tools
   #yum -y groupinstall "Development tools"
   
3. 安裝編譯Python須要的包
   #yum install zlib-devel -y
   
   #yum install bzip2-devel -y
   
   #yum install openssl-devel -y
   
   #yum install ncurses-devel -y
   
   #yum install sqlite-devel -y
   
   #yum install tcl-devel –y

#yum install tk-devel -y
4.下載並解壓Python 2.7.12的源代碼
#cd /opt
#wget --no-check-certificate https://www.python.org/ftp/python/2.7.12/Python-2.7.12.tar.xz
#tar xf Python-2.7.12.tar.xz
#cd Python-2.7.12

#tar xf Python-2.7.12.tar.xz
#cd Python-2.7.12

5. 編譯與安裝Python 2.7.12
   #./configure --prefix=/usr/local
   #make && make install
   6.將python命令指向Python 2.7.12

   cd /usr/bin

#rm –rf python

#ln -s /usr/local/bin/python2.7 /usr/bin/python

#python –version

由上圖所示 python2.7安裝完成

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