安装相关依赖

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

开始安装

# 下载解压 cd /opt wget https://www.python.org/ftp/python/3.6.8/Python-3.6.8.tgztar -xvf Python-3.6.8.tgzmv Python-3.6.8 python-3.6.8# 在local目录下创建python3目录mkdir /opt/python3# 配置安装目录cd /opt/python-3.6.8./configure --prefix=/opt/python3# 编译安装make && make install# 配置python3软连接ln -s /opt/python3/bin/python3  /usr/bin/python3# 配置pip3软连接ln -s /opt/python3/bin/pip3 /usr/bin/pip3# 升级pippip3 install --upgrade pip

# 查看已安装的包pip3 freezepip3 list# 检查哪些包需要更新pip3 list outdated