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QiShunwang

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Linux服务器部署系列-4:安装Python3

2021/6/3 15:14:51   来源:

 

1.下载安装包

下载地址1:https://www.python.org/downloads/release

下载地址2:https://www.python.org/ftp/python

也可以进入服务器用命令下载:
 

wget  https://www.python.org/ftp/python/3.8.5/Python-3.8.5.tar.xz

2.安装编译工具

安装时报错,需要先安装对应工具包

把需要的工具包一次安装完。root用户登录服务器,执行下面命令

yum -y install wget wge   #这个就是上一步报错提示的,缺少这个工具包
yum -y groupinstall "Development tools"
yum -y install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel
yum install -y libffi-devel zlib1g-dev
yum install zlib* -y

https开头的提示缺少协议类型,加一个参数

wget --no-check-certificate https://www.python.org/ftp/python/3.8.5/Python-3.8.5.tar.xz

3.解压

tar -xvJf Python-3.8.5.tar.xz

# 把刚解压的文件移动到python3文件夹下
mv Python-3.8.5 /usr/local/python3

4.安装

cd /usr/local/python3
./configure -prefix=/usr/local/python3  #指明安装路径
make && make install  #编译安装

安装成功

5.创建软链接

根目录下输入python,可能出现的python是2.7,不是python3版本,这是因为默认的软连接是2.7,修改软连接

ln -s /usr/local/python3/bin/python3 /usr/local/bin/python3
ln -s /usr/local/python3/bin/pip3 /usr/local/bin/pip3

6.验证安装

python3  # 输入
pip3 -V  #V大写