发布时间:2019-09-18 07:38:40编辑:auto阅读(1487)
### centos 7 下升级python2到3
### centos 7下python自带版本为2.7,但是今天需要用到3,所以升级了一下
### 首先安装依赖包
~~~
yum -y groupinstall "Development tools"
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
~~~
### 然后根据需求选择自己需要的python3版本
~~~
wget https://www.python.org/ftp/python/3.6.2/Python-3.6.2.tar.xz
~~~
#### 小提示:如果你的服务器显示找不到wget这个命令的话用yum安装一下就好。一般最小化安装会出现这个问题
~~~
yum install -y wget
~~~
### 建立一个空文件夹
### 然后解压压缩包,进入该目录,安装Python3
~~~
mkdir /usr/local/python3
tar -xvJf Python-3.6.2.tar.xz
cd Python-3.6.2
./configure --prefix=/usr/local/python3
make && make install
~~~
### 然后创建一下软链接就好了
[root@jinch Python-3.6.2]# ln -s /usr/local/python3/bin/python3 /usr/bin/python3
[root@jinch Python-3.6.2]# ln -s /usr/local/python3/bin/pip3 /usr/bin/pip3
[root@jinch Python-3.6.2]# python3
Python 3.6.2 (default, Aug 3 2018, 15:15:12)
[GCC 4.8.5 20150623 (Red Hat 4.8.5-28)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>>
### -over-
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