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.