Sorry, this entry is only available in Japanese.
Here’s the way I added swap file in AWS EC2, t2.medium. At that time, I was using Jenkins in the computer, and Jenkins didn’t work because of less swap area.
Here’s a tips to connect PostgreSQL in VirtualBox guest OS, from Windows. The article suppose host OS is Windows, but theoretically it is also the same way in other host OS.
I introduce the way to use Kotlin in terminal. Thanks for that, we can use interpreter of Kotlin, which we can often see in LL.