安装Python3

1.环境准备

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 gcc*

2.安装步骤

[root@bogon ~]# cd /usr/local/src/

[root@bogon src]# wget https://www.python.org/ftp/python/3.6.5/Python-3.6.5.tar.xz

[root@bogon src]# tar -xf Python-3.6.5.tar.xz

[root@bogon src]# cd Python-3.6.5

[root@bogon Python-3.6.5]# ./configure --prefix=/usr/local/python3

[root@bogon Python-3.6.5]# make && make install

[root@bogon Python-3.6.5]# ln -s /usr/local/python3/bin/python3   /usr/bin/python3

[root@bogon Python-3.6.5]# ln -s /usr/local/python3/bin/pip3  /usr/bin/pip3

3.验证

[root@bogon Python-3.6.5]# python3

Python 3.6.5 (default, Jan 23 2019, 03:09:17)

[GCC 4.8.5 20150623 (Red Hat 4.8.5-36)] on linux

Type "help", "copyright", "credits" or "license" for more information.