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Docker Compose and UID / GID

Although you could set a user ID and group ID as part of a Docker image, let’s see how it can be done from Docker Compose too. I’ll use the following Docker Compose code part as an ex...

In Docker, May 14, 2022

Install Java on CentOS 9 Stream

As a Java developer on the new CentOS 9 Stream OS, you may wonder how to set up your java environment. The installation of Java on CentOS 9 Stream can be achieved in a few steps. Let’...

In Java, CentOS, May 13, 2022

Get Windows 10 version number from the CLI

Today’s topic going to be all about the multiple way to get the version number for Windows 10. Even though there’s a dozen ways to do it, I’m going to stick to the most basic ones wit...

In Windows 10, May 12, 2022

Resolve `Resource handler returned message: Model validation failed (#/ContainerDefinitions/0/Environment: array items are not unique)` error in CloudFormation

While updating some of my CloudFormation templates I stumbled upon the following error:Resource handler returned message: "Model validation failed (#/ContainerDefinitions/0/Environmen...

In AWS, May 11, 2022

Get memory page size in Linux

Memory page, virtual memory page, or just page is the smallest block of memory unit in terms of memory management. The page size is determined by the hardware to be exact the processo...

In Linux, May 10, 2022

Install Podman Compose on Debian 11

The growth and use of Podman is really raging higher and higher. I hope one day it will be on the same level as Docker is today. Now, assuming that you have Podman installed on Debian...

In Podman, Debian, May 09, 2022

Nginx proxy and 'an upstream response is buffered to a temporary file' warning

In today’s Nginx log message of the week, we got the following warning:2022/05/02 08:03:16 [warn] 31447#0: an upstream response is buffered to a temporary file /var/lib/nginx/proxy/1/...

In Nginx, May 08, 2022

Install Redis on CentOS 9 Stream

Redis is the most popular and most used cache, message broker, and in-memory key value database store service nowadays. So today I’m going to show you how to install Redis on CentOS 9...

In Redis, May 07, 2022

Tweaking Nginx proxy_buffers parameters

Before setting up YOLO values for proxy_buffers and proxy_buffer_size parameters, you need to find out the average and maximum response sizes first. On a side note, the following step...

In Nginx, May 06, 2022

Install Nginx on CentOS 9 Stream

Nginx is one of the most used web servers nowadays and can be easily installed on the new CentOS 9 Stream OS. Let’s see how to install Nginx on CentOS 9 Stream and enable the HTTP and...

In Nginx, CentOS, May 05, 2022