09/18 Links to Detailed explanation of each VPS are added to the list. Selected sorting is saved now for the list.
08/05 I made CPU info shown in benchmark list to make easy to understand meaning of benchmark
07/24 Upcloud opened New York DC. All servers have AMD whose performance is great. Updated UpCloud’s introduction [Read more]

What is VPS?

  1. CPUs of VPS : How to judge whether it is good or not

Useful information for Infra

  1. How to upgrade to CentOS 8 from CentOS 7 and its merit
  2. How to upgrade to CentOS 8.1 & use latest packages
  3. MariaDB vs MySQL vs PostgreSQL: Flowchart to choose best RDB
  4. Benchmark of performance degradation by Docker’s overhead with knowhow of installation&usage of docker