VPS News
2021/9/30 DigitalOcean[Detail] started supporting wild card SSL certificates on load balancer.
2021/9/29 Upcloud[Detail] doubled limitation of block storage. So you can attach 7 x 4TB = 28TB to server. I reflected the change to Block storage comparison list.
2021/9/26 Added benchmark of Baremetal server whose vCPU is 8 and 48 for Vultr[Detail]. Total CPU Score of vCPU x 48 is best among all VPS [Read more]

What is VPS?

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

OS & Virtual Environment

  1. How to switch to AlmaLinux from CentOS(RHE’s clone)
  2. How to upgrade to CentOS 8 from CentOS 7 and its merit
  3. Benchmark of performance degradation by Docker's overhead with knowhow of installation&usage of docker


  1. MariaDB vs MySQL vs PostgreSQL: Flowchart to choose best RDB

Programming Language

  1. How to install PHP8