如何在linux上安装python 如何在linux系统中安装python?
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1\u3001\u6253\u5f00WEB\u6d4f\u89c8\u5668\u8bbf\u95ee\u5b98\u7f51\u3002
2\u3001\u9009\u62e9\u9002\u7528\u4e8eUnix/Linux\u7684\u6e90\u7801\u538b\u7f29\u5305\u3002
3\u3001\u4e0b\u8f7d\u53ca\u89e3\u538b\u538b\u7f29\u5305\u3002
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5\u3001\u6267\u884c ./configure \u811a\u672c
6\u3001make
7\u3001make install
8\u3001\u6267\u884c\u4ee5\u4e0a\u64cd\u4f5c\u540e\uff0cPython\u4f1a\u5b89\u88c5\u5728 /usr/local/bin \u76ee\u5f55\u4e2d\uff0cPython\u5e93\u5b89\u88c5\u5728/usr/local/lib/pythonXX\uff0cXX\u4e3a\u4f60\u4f7f\u7528\u7684Python\u7684\u7248\u672c\u53f7\u3002
Linux\u7cfb\u7edf\u9ed8\u8ba4\u662f\u5b89\u88c5\u6709python\uff0c\u53ef\u4ee5\u5148\u5728\u7ec8\u7aef\u8f93\u5165: python \u7136\u540e\u770b\u770b\u662f\u5426\u6709\u56de\u663e\uff0c\u5982\u679c\u6709\u5c31\u4e0d\u9700\u8981\u5b89\u88c5\u4e86\u3002\u5982\u679c\u6ca1\u6709\uff0c\u53ef\u4ee5\u6309\u7167\u4e0b\u9762\u5f97\u65b9\u6cd5\u5b89\u88c5\uff1a
\u6253\u5f00\u7ec8\u7aef\uff0c\u8f93\u5165\uff1awget
\u4e0b\u8f7d\u5b8c\u6bd5\u540e \u8f93\u5165\u89e3\u538b\u547d\u4ee4\uff1atar \u2013zxvf Python-3.5.0b4.tgz
\u5207\u6362\u5230\u89e3\u538b\u7684\u76ee\u5f55\uff1acd Python*
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./configure
make
make install
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\u8f93\u5165python\u5982\u679c\u51fa\u73b0\u4e0b\u9762\u7684\u63d0\u793a\uff1a
Python 3.5.0 (#1, Aug 06 2015, 14:04:52)
[GCC 4.1.1 20061130 (Red Hat 4.1.1-43)] on linux2
Type \u201chelp\u201d, \u201ccopyright\u201d, \u201ccredits\u201d or \u201clicense\u201d for more information.
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给你centos下源码安装py3 的例子把。
如果已经安装好了python34
sudo yum remove python34
编译安装
python官网只为Linux提供了源码，因此我下载python3.6.1的源码压缩包
第一步，CentOS装好openssl静态库
键入以下命令： yum install -y openssl-static
若未装该静态库会导致python3自带的pip3安装失败
第二步，编译python3源码
0. CentOS安装GCC和wget yum install -y gcc,wget
yum groupinstall "Development tools"
yum install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel
1. 先解压python3的源码包 wget http://python.org/ftp/python/3.6.1/Python-3.6.1.tar.xz
tar xf Python-3.6.1.tar.xz
2. 配置安装路径 cd Python-3.6.1 //进入python3源码解压后的文件夹
./configure --prefix=/usr/local/python3 //默认配置文件并设置安装路径
3. 编译python3源码 make
4. 安装 make install
最终若无错误提示，说明安装成功
5. 添加文件链接 安装后键入命令?python3?提示不存在该命令，这是因为我们自定义了安装目录，因此需要添加文件链接，命令如下：
ln -s /usr/local/python3/bin/python3 /usr/bin/python3
6. 测试 键入命令：
python3 -V
会输出python3版本信息，说明python3安装完成
ln -s /usr/local/python3/bin/pip3 /usr/bin/pip3
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