How to install python under linux
How to install python under linux?
Installing python under linux
Steps to compile and install python3.6
(Video tutorial recommendation: python video tutorial)
1. Download the python3 source code package
wget https://www.python.org/ftp/python/3.6.6/Python-3.6.6.tgz
2. Download the dependency package compiled by python3
yum install -y gcc patch libffi-devel python-devel zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel
3. Unzip the source code package
tar -zxvf Python-3.6.6.tgz
4. Enter the source package folder
cd Python-3.6.6
5. Compile and install
1. Enter the source package directory
2.ls View the source package content
3. Release the compiled file Makefile
./configure --prefix=/opt/python36 # 指定安装目录为/opt/python36
4 .Compile
make # 相当于把源码包里面的代码编译成linux服务器可以识别的代码
5. Compile and install, this step will finally generate /opt/python36/
make install
Note: Steps 4 and 5 can be executed together, but you need to use && in between Separate
make && make install # 先进行make，执行完成之后，才开始执行make install
and enter the /opt directory to view the python36 folder. The python3 we want is all here
/opt/python36/bin/python3 /opt/python36/bin/pip3 .....
6. Change the path variable of linux and add python3
to modify it /etc/profile system environment variable configuration file, add the following content
vim /etc/profile
~/.bash_profile # 这个是用户环境变量配置文件 /etc/profile # 系统环境变量配置文件 PATH=/opt/python36/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/root/bin
Note: Be sure to put the python3 directory in the first
7. In order to permanently take effect the path setting, add it to the /etc/profile global environment variable configuration file and reload the configuration file /etc/profile
source /etc/profile
8 .Enter pyhon3
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