Apache Airflow (or simply Airflow) is a platform to programmatically author, schedule, and monitor workflows.

This article documents how to run Apache Airflow with systemd service on GNU/Linux. Airflow is installed using Miniconda on AWS ec2 instances (RHEL 7.6 / Ubuntu 18.04 / SLES 15 / Amazon Linux 2).

Java SE is an abbreviation for Java Platform, Standard Edition, and JDK is an abbreviation for Java SE Development Kit. JDK provides running environment for Java applications. This article documents how to set up Oracle JDK on GNU/Linux, then implement the entire process through Shell script.

The Oracle JDK License has changed for releases starting April 16, 2019. Detail in Oracle Technology Network License Agreement for Oracle Java SE.

The Jupyter Notebook is an open-source interactive web application developed by Python language. The official recommends installing Python and Jupyter Notebook using the Anaconda Distribution. This article documents how to set up Anaconda and Jupyter Notebook, and implement the entire process through a shell script.

We are changing versioning in Anaconda Distribution from a major/minor version scheme to a year.month scheme. We made this change to differentiate between the open source Anaconda Distribution and Anaconda Enterprise, our managed data science platform. Conda, will continue to use a major/minor versioning scheme. – Anaconda Distribution 2018.12 Released

By default, Travis CI uses email to send build notification, it also support other method, e.g. Slack. This article documents how to set up Slack notification for GitHub project integrated Travis CI.

I have succeed in migrating my blog from Hexo to Hugo platform, new domain is AxdLog. As Github Pages doesn’t provide SSL certificate for custom domain, so I need to deploy it separately. CloudFlare provides free SSL certificate, and it has the ability of anti-ddos.

This article documents how to configure CloudFlare free SSL certificate in Github Pages.

My personal static blog is hosted on Github. I used Hexo before, but as its complicated package dependence and cumbersome deployment process, I have to encapsulate the whole deployment environment into Docker image for rapid deployment, but it was still too complex. Now I switch to Hugo which is faster, simpler.

This article documents how to automatically synchronize blog contents generated by Hugo to Github through Travis CI.