Airflow on Centos 7 with Mysql (no docker)

To install Airflow can cause encountered various unexpected issues, so I decided to write this tutorial to help people deal with them.

1. Login to your server
2. Install updates

$ sudo yum update

3. Install python 3

$ sudo yum install -y python3

4. Install virtual env

$ pip 3 install virtualenv

5. Create user which will run airflow

$ sudo user add -m airflow

6. Login to that user

$ sudo su airflow

7. Install virtual env

$ virtualenv env
created virtual environment CPython3.6.8.final.0-64 in 2476ms
creator CPython3Posix(dest=/home/centos/aaa, clear=False, no_vcs_ignore=False, global=False)
seeder FromAppData(download=False, pip=bundle, setuptools=bundle, wheel=bundle, via=copy, app_data_dir=/home/centos/.local/share/virtualenv)
added seed packages: pip==20.3.3, setuptools==51.0.0, wheel==0.36.2
activators BashActivator,CShellActivator,FishActivator,PowerShellActivator,PythonActivator,XonshActivator