Linux下Python安装pip

//系统
//CentOS Linux release 7.4.1708 (Core) 3.10.0-693.2.2.el7.x86_64
//关闭SELinux，机器需要重启
# sed -i 's/SELINUX=enforcing/SELINUX=disabled/' /etc/selinux/config
//验证
# grep SELINUX=disabled /etc/selinux/config
SELINUX=disabled
//关闭SELinux，不需要重启
# setenforce 0
setenforce: SELinux is disabled
//关闭防火墙
# systemctl stop firewalld.service
//开机不启动防火墙
# systemctl enable firewalld.service
//python版本
# python -V
Python 2.7.5

//脚本安装pip
# curl -O https://bootstrap.pypa.io/get-pip.py
# python get-pip.py 
# pip -V
pip 10.0.1 from /usr/lib/python2.7/site-packages/pip (python 2.7)
//或使用包管理软件安装,yum安装的是稳定版
# yum -y install epel-release
# yum -y install python-pip

# yum -y install python-setuptools
# easy_install --version
setuptools 0.9.8

//get-pip.py 脚本内容
略......