CentOS安裝python3.6

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標籤:zip   efault   python安裝   def   代碼   compress   python   /usr   4.4   

下載Python安裝包

cd /usr/local/src

編譯時間要提前裝好gcc編譯器和zlib zlib-devel

1、下載檔案

wget https://www.python.org/ftp/python/3.6.0/Python-3.6.0.tgz

2、解壓

tar -zxvf Python-3.6.0.tgz

3、進入解壓目錄

cd Python-3.6.0

4、編譯安裝包

./configure --prefix=/usr/local/python make && make install

5、添加環境變數

#echo PATH=‘/usr/local/python/bin/:$PATH‘ >> /etc/profile
#source /etc/profile

6、檢查是否成功,執行下面代碼

python3.6Python 3.6.0 (default, Jun  1 2017, 14:01:43) [GCC 4.4.7 20120313 (Red Hat 4.4.7-17)] on linuxType "help", "copyright", "credits" or "license" for more information.>>> print(‘hello word‘)hello word

  

Python安裝常見問題:

(1)configure: error: no acceptable C compiler found in $PATH

解決:yum install -y gcc

(2):zipimport.ZipImportError: can’t decompress data

解決:安裝zlib zlib-devel

 

1、修改系統預設的Python路徑,因為在終端中輸入Python命令時預設是指向Python2.6.6

mv /usr/bin/python /usr/bin/python-2.6.6

  

2、建立新的軟串連,指向Python-3.6.0  

 

ln -s /usr/local/python/bin/python3.6 /usr/bin/python

  

3、因為yum是依賴python的,所以這裡我們修改了預設的python,就要要修改yum,讓其運行指向舊的版本:

  vi /usr/bin/yum   

將第一行中的“#!/usr/bin/python”   修改為“#!/usr/bin/python-2.6.6”,儲存即可

 

4、開啟一個新的終端,通過python命令進入python環境,可以看到已經指向了我們新安裝的python3.6.0:

 [[email protected]:~]$ pythonPython 3.6.0 (default, Jul 30 2016, 19:40:32) [GCC 4.2.1 Compatible Apple LLVM 8.0.0 (clang-800.0.34)] on darwinType "help", "copyright", "credits" or "license" for more information.>>> 

  

 

CentOS安裝python3.6

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