CentOS安装python

https://www.python.org/ftp/python

cd /usr/local
mkdir python3

wget https://www.python.org/ftp/python/3.8.5/Python-3.8.5.tgz

[root@charles python3]# tree -d -L 1 Python-3.8.5
Python-3.8.5
├── Doc
├── Grammar
├── Include
├── Lib
├── m4
├── Mac
├── Misc
├── Modules
├── Objects
├── Parser
├── PC
├── PCbuild
├── Programs
├── Python
└── Tools

15 directories

pm -qa | grep python | xargs rpm -e --allmatches --nodeps

rm -rf /usr/bin/python3
rm -rf /usr/bin/pip3

./configure --prefix=/usr/local/python3

chmod -R 777 Python-3.8.5

make && make install

ln -s /usr/local/python3/bin/python3.8 /usr/bin/python3 
ln -s /usr/local/python3/bin/pip3 /usr/bin/pip3

python3 --version

<h2><a id="1__0"></a>1 下载</h2> <p>下载地址：</p> <pre><div class="hljs"><code class="lang-shell">https://www.python.org/ftp/python </code></div></pre> <pre><div class="hljs"><code class="lang-shell">cd /usr/local mkdir python3 </code></div></pre> <p>wget</p> <pre><div class="hljs"><code class="lang-shell">wget https://www.python.org/ftp/python/3.8.5/Python-3.8.5.tgz </code></div></pre> <pre><div class="hljs"><code class="lang-shell">[root@charles python3]# tree -d -L 1 Python-3.8.5 Python-3.8.5 ├── Doc ├── Grammar ├── Include ├── Lib ├── m4 ├── Mac ├── Misc ├── Modules ├── Objects ├── Parser ├── PC ├── PCbuild ├── Programs ├── Python └── Tools 15 directories </code></div></pre> <h2><a id="2__39"></a>2 安装</h2> <p>删除原装python</p> <pre><div class="hljs"><code class="lang-shell">pm -qa | grep python | xargs rpm -e --allmatches --nodeps </code></div></pre> <p>如果原有软连接</p> <pre><div class="hljs"><code class="lang-shell">rm -rf /usr/bin/python3 rm -rf /usr/bin/pip3 </code></div></pre> <h3><a id="21__52"></a>2.1 将创建的文件夹设置为程序主目录</h3> <pre><div class="hljs"><code class="lang-shell">./configure --prefix=/usr/local/python3 </code></div></pre> <p>如果没有权限，则授权</p> <pre><div class="hljs"><code class="lang-shell">chmod -R 777 Python-3.8.5 </code></div></pre> <h3><a id="22__63"></a>2.2 编译安装</h3> <pre><div class="hljs"><code class="lang-shell">make &amp;&amp; make install </code></div></pre> <h3><a id="23__69"></a>2.3 建立软连接</h3> <pre><div class="hljs"><code class="lang-shell">ln -s /usr/local/python3/bin/python3.8 /usr/bin/python3 ln -s /usr/local/python3/bin/pip3 /usr/bin/pip3 </code></div></pre> <h2><a id="3__77"></a>3 查看安装结果</h2> <pre><div class="hljs"><code class="lang-shell">python3 --version </code></div></pre>