使用shell脚本安装python3.8环境

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#!/bin/bashecho "使用时将python的tar包放到/root/目录下"read -p "此脚本需要联网,若是虚拟机,请将网络适配器改为nat模式" -t 2echosed -i "s/BOOTPROTO=static/BOOTPROTO=dhcp/" /etc/sysconfig/network-ifcfg-ens33ifdown ens33ifup ens33systemctl start network &>/dev/nullsystemctl restart network &>/dev/nullif [ $? -eq 0 ];thenip=`ifconfig ens33 | awk 'NR==2 {print $2}'`echo "获取IP地址成功，地址为$ip"elseecho "获取地址失败,请自行查看网络情况"exit 1fiping -c 3 www.baidu.com &>/dev/nullif [ $? -eq 0 ];thenecho "网络连接成功,开始执行后续代码"elseecho "网络连接失败,请查看地址是否可用"exit 1ficd /etc/yum.repos.d/rm -rf *wget CentOS7-Base-163.repo &>/dev/nullyum clean all &>/dev/nullyum makecache &>/dev/nullyum install gcc patch libffi-devel python-devel zlib-devel bzip2-dnssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-4-devel libpcap-devel xz-devel -y &>/dev/nullecho "搭建国内yum源成功,正在开始安装python环境"cd /root/tar zxf Python-3.8.0a2.tgz &>/dev/nullcd Python-3.8.0a2/./configure --prefix=/usr/local/python_3.8 &>/dev/nullif [ $? -eq 0 ];thenecho "环境安装完成,正在配置python3.8"elseecho "环境安装出错,请检查依赖包是否全部安装"fimake -j 4 &>/dev/nullmake install &>/dev/nullln -s /usr/local/python_3.8/bin/* /usr/bin/echo "python3.8安装完成，位于/usr/local/python_3.8"[root@test2 ~]# python3Python 3.8.0a2 (default, Mar 29 2020, 19:45:00) [GCC 4.8.5 20150623 (Red Hat 4.8.5-16)] on linuxType "help", "copyright", "credits" or "license" for more information.>>> print('hello')hello>>> #Ctrl+d退出总结
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