Centos7.6如何升級python版本

在(zai)centos7.6系(xi)統下執行(xing)pip 安裝軟件時會(hui)出現如圖(tu)提示，python 2.7將在(zai)2020年1月(yue)1日停止維護(hu)，如何升(sheng)級python版(ban)本呢?本教程(cheng)升(sheng)級為python 3.7

1.輸(shu)入yum install libffi-devel zlib zlib-devel gcc openssl openssl-devel wget -y，按回車鍵安裝編(bian)譯環境包

2.輸入wget //www.python.org/ftp/python/3.7.6/Python-3.7.6.

tar.xz，按回車鍵下載Python3.7源(yuan)碼包(bao)

3.輸(shu)入tar -xvf Python-3.7.6.tar.xz按回車鍵解壓

4.輸入cd Python-3.7.6按回車鍵進入該(gai)目錄(lu)

5.輸入./configure --prefix=/usr/local/python3.7按回車鍵配置安裝目錄

6.輸入make && make install按回車鍵開始安(an)裝

7.輸入cp /usr/bin/python /usr/bin/python_old按(an)回車鍵

8.輸入rm -rf /usr/bin/python按(an)回車鍵

9.輸入ln -s /usr/local/python3.7/bin/python3.7 /usr/bin/python按回(hui)車鍵

10.輸(shu)入python --version按回(hui)車鍵查看版本

11.輸入sed -i 's/python/python_old/g' /usr/bin/yum按(an)回車鍵

12.輸入(ru)sed -i 's/python/python_old/g' /usr/libexec/urlgrabber-ext-down按回(hui)車(che)鍵

13.輸入echo 'export PATH=$PATH:/usr/local/python3.7/bin/' >>

/etc/profile按回車鍵(jian)

14.輸入source /etc/profile按回車(che)鍵

15.此時(shi)執行pip3可以正(zheng)常安裝(zhuang)軟件了