进入家目录: cd ~
wget https://www.python.org/ftp/python/3.6.3/Python-3.6.3.tgz
下载到本地
解压移动到/usr/lcoal下:
tar -zxvf Python-3.6.3.tgz
mv Python-3.6.3 /usr/local/
安装依赖:
yum install openssl-devel bzip2-devel expat-devel gdbm-devel readline-devel sqlite-devel
删掉旧python软连接
rm -rf /usr/bin/python
尝试编译安装Python:
cd /usr/local/Python-3.6.3/
配置:
./configure
编译:
make
安装:
make install
报错未找到合适的编译器:
configure: error: in /usr/local/Python-3.6.3': configure: error: no acceptable C compiler found in $PATH See
config.log' for more details
解决:
yum install gcc-c++
-bash: /usr/bin/yum: /usr/bin/python:bad interpreter no such file or dir
这是因为上面删了 python软连接, 而yum依赖python。所以这儿去修改yum 文件头调用python 改成 python2.7 就好了
vim /usr/bin/yum
文件头调用修改:
#!/usr/bin/python 改------>成 #!/usr/bin/python2.7
vim /usr/libexec/urlgrabber-ext-down
#! /usr/bin/python2 改--------->成 #! /usr/bin/python2.7
重新执行:安装编译器
yum install gcc-c++
再次执行编译/安装:
cd /usr/local/Python-3.6.3/
配置:
./configure
编译:
make
安装:
make install
重新增加python软连接,连接到python3
cd /usr/bin
ln -s /usr/local/bin/python3 python
执行 python -V 查看python版本
python -V
成功