CentOS7中使用shell腳本安裝python3.8環(huán)境(推薦)

#!/bin/bash
echo "使用時將python的tar包放到/root/目錄下"
read -p "此腳本需要聯(lián)網(wǎng),若是虛擬機,請將網(wǎng)絡(luò)適配器改為nat模式" -t 2
echo
sed -i "s/BOOTPROTO=static/BOOTPROTO=dhcp/" /etc/sysconfig/network-ifcfg-ens33
ifdown ens33
ifup ens33
systemctl start network &>/dev/null
systemctl restart network &>/dev/null
if [ $? -eq 0 ];then
ip=`ifconfig ens33 | awk 'NR==2 {print $2}'`
echo "獲取IP地址成功，地址為$ip"
else
echo "獲取地址失敗,請自行查看網(wǎng)絡(luò)情況"
exit 1
fi
ping -c 3 www.baidu.com &>/dev/null
if [ $? -eq 0 ];then
echo "網(wǎng)絡(luò)連接成功,開始執(zhí)行后續(xù)代碼"
else
echo "網(wǎng)絡(luò)連接失敗,請查看地址是否可用"
exit 1
fi
cd /etc/yum.repos.d/
rm -rf *
wget http://mirrors.163.com/.help/CentOS7-Base-163.repo &>/dev/null
yum clean all &>/dev/null
yum makecache &>/dev/null
yum 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/null
echo "搭建國內(nèi)yum源成功,正在開始安裝python環(huán)境"
cd /root/
tar zxf Python-3.8.0a2.tgz &>/dev/null
cd Python-3.8.0a2/
./configure --prefix=/usr/local/python_3.8 &>/dev/null
if [ $? -eq 0 ];then
echo "環(huán)境安裝完成,正在配置python3.8"
else
echo "環(huán)境安裝出錯,請檢查依賴包是否全部安裝"
fi
make -j 4 &>/dev/null
make install &>/dev/null
ln -s /usr/local/python_3.8/bin/* /usr/bin/
echo "python3.8安裝完成，位于/usr/local/python_3.8"

[root@test2 ~]# python3
Python 3.8.0a2 (default, Mar 29 2020, 19:45:00) 
[GCC 4.8.5 20150623 (Red Hat 4.8.5-16)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> print('hello')
hello
>>> #Ctrl+d退出