Enable certbot automatic renewal for cloudflare CDN


A couple of days ago, I received an email from the Let’s Encrypt and was told the certificate of my domain will expire soon. This domain has been encrypted by certbot and the automatic renewal worked well at that time. About one month ago, I added it to cloudflare CDN. It may hindered the certificate renew.

So I spent some time to fix the problem.

Install Nvidia CUDA in Debian Way

  • For Debian stable/Stretch

Install NVidia driver in Linux server is always tedious and painful. Fortunatelly, Debian stable/Stretch provids ready-to-use NVidia drivers and CUDA toolkits. This post indicates the proper way to install up-to-date Nvidia driver and CUDA in Debian way.