环境:centos7下
官网Linux下载安装python3的所需版本
[root@localhost ~]# wget https://www.python.org/ftp/python/3.6.0/Python-3.6.0.tgz
[root@localhost ~]# tar -xvf Python-3.6.0.tgz -C /usr/local
创建安装文件的路径
[root@localhost ~]# mkdir /usr/local/python3
安装编译
[root@localhost ~]# cd /usr/local
[root@localhost Python-3.6.0]# cd Python-3.6.0
[root@localhost Python-3.6.0]# ./configure --prefix=/usr/local/python3
[root@localhost Python-3.6.0]# make
[root@localhost Python-3.6.0]# make install
修改旧版本
[root@localhost Python-3.6.0]# mv /usr/bin/python /usr/bin/python_bak
创建新的软连接
[root@localhost Python-3.6.0]# ln -s /usr/local/python3/bin/python3 /usr/bin/python
检查python的版本是否安装成功
[root@localhost Python-3.6.0]# python -V
python-3.6.0
Linux报错:bash: pip: command not found
安装pip
[root@localhost data]# wget https://bootstrap.pypa.io/get-pip.py
[root@localhost data]# python get-pip.py
[root@localhost data]# pip -V #查看pip版本
接下来就可以随便pip安装东西了
如果还不行,先查下安装路径:
[root@localhost data]# find / -name pip
然后做个软连接
[root@localhost data]# ln -sv /usr/local/python/bin/pip /usr/bin/pip