linux升级python3.8_CentOS 8.0 升级Python版本到3.8.0

CentOS 8.0系统的安装见文章《CentOS 8.0 图形化安装》

CentOS 8.0系统的基本配置见文章《CentOS 8.0 基本配置》

CentOS 8.0系统创建LVM分区见文章《CentOS 8.0 创建LVM分区》

1. 下载并安装Python 3.8.0

[root@Server ~]# python3 -V

Python 3.6.8

[root@Server ~]# cd /Data/Downloads/

[root@Server Downloads]# wget https://www.python.org/ftp/python/3.8.0/Python-3.8.0.tgz //下载Python 3.8.0安装包

--2019-10-16 11:59:55-- https://www.python.org/ftp/python/3.8.0/Python-3.8.0.tgz

Resolving www.python.org (www.python.org)... 151.101.228.223, 2a04:4e42:1a::223

Connecting to www.python.org (www.python.org)|151.101.228.223|:443... connected.

HTTP request sent, awaiting response... 200 OK

Length: 23949883 (23M) [application/octet-stream]

Saving to: ‘Python-3.8.0.tgz’

Python-3.8.0.tgz 100%[============================================================================================================================>] 22.84M 218KB/s in 1m 44s

2019-10-16 12:01:40 (225 KB/s) - ‘Python-3.8.0.tgz’ saved [23949883/23949883]

[root@Server Downloads]# yum -y install gcc zlib* libffi-devel //YUM安装编译Python所需要的开发包

Last metadata expiration check: 1:07:16 ago on Wed 16 Oct 2019 10:55:26 AM CST.

Package gcc-8.2.1-3.5.el8.x86_64 is already installed.

Package zlib-1.2.11-10.el8.x86_64 is already installed.

Package zlib-devel-1.2.11-10.el8.x86_64 is already installed.

Dependencies resolved.

(中间省略……)

Running scriptlet: libffi-devel-3.1-18.el8.x86_64 1/1

Verifying : libffi-devel-3.1-18.el8.x86_64 1/1

Installed:

libffi-devel-3.1-18.el8.x86_64

Complete!

[root@Server Downloads]# tar -zxvf Python-3.8.0.tgz //解压Python-3.7.4.tgz文件

Python-3.8.0/

Python-3.8.0/CODE_OF_CONDUCT.md

Python-3.8.0/README.rst

Python-3.8.0/Doc/

Python-3.8.0/Doc/howto/

Python-3.8.0/Doc/howto/pyporting.rst

Python-3.8.0/Doc/howto/logging-cookbook.rst

Python-3.8.0/Doc/howto/logging_flow.png

Python-3.8.0/Doc/howto/sorting.rst

Python-3.8.0/Doc/howto/functional.rst

Python-