Series for busy people: Python installation under Linux

Linux Next Python install

System environment ：centos 7.6

Python edition ：Python-3.6.8

1. Environment depends on

Python3.x The installation of depends on these four components ：gcc, zlib,zlib-devel,openssl-devel; So it needs to be pre installed , The order is as follows ：

yum install gcc -y
yum install zlib -y
yum install zlib-devel -y
yum install openssl-devel -y

2. Download and compile

Python Source package download address ： https://www.python.org/downloads/

# wget https://www.python.org/ftp/python/3.6.8/Python-3.6.8.tgz

3. Decompress and compile

# tar -zxvf Python-3.6.8.tgz

Enter the root directory to compile , You can specify the path to compile and install , Here we designate as /usr/app/python3.6 ：

# cd Python-3.6.8
# ./configure --prefix=/usr/app/python3.6
# make && make install

4. Environment variable configuration

vim /etc/profile

export PYTHON_HOME=/usr/app/python3.6
export PATH=${PYTHON_HOME}/bin:$PATH

Make the configured environment variables take effect immediately ：

source /etc/profile

5. Verify that the installation was successful

Input python3 command , If you can get into python Interactive environment , The installation is successful ：

[[email protected] app]# python3
Python 3.6.8 (default, Mar 29 2019, 10:17:41)
[GCC 4.8.5 20150623 (Red Hat 4.8.5-36)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> 1+1
2
>>> exit()
[[email protected] app]#