1.到python的官网去下载python3.6.3安装包，必须是Linux版本的
2.在/usr/tmp下下载python安装包
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1
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wget https:
//www
.python.org
/ftp/python/3
.6.6
/Python-3
.6.6.tgz
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3.解压python到/usr/local目录下
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tar
-zxvf Python-3.6.6.tgz -C
/usr/local
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4.安装必要组件
#安装gcc在./configure时会error,configure: error: no acceptable C compiler found in $PATH
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yum
install
gc
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#安装openssl-devel，否则会忽略pip安装失败,pip command not found ，但是没有error,
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yum
install
openssl-devel
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5.安装
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2
3
4
5
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cd
Python-3.6.6
.
/configure
--prefix=
/usr/local/python3
make
&&
make
install
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6.软连接，相当于快捷方式
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2
3
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ln
-s
/usr/local/python3/bin/python3
.6
/usr/bin/python3
ln
-s
/usr/local/python3/bin/pip3
/usr/bin/pip3
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7.使用pip， python命令