Cloud Computing and Internet Infrastructure, Linux, Open Source Tutorials
Introduction In this tutorial we’ll learn how to enable IUS repository on CentOS 7. IUS stands for Inline with Upstream Stable. IUS will update RPM packages once new versions released by upstream developers. IUS will also not replace stock RPM packages or pacakges that shipped with distribution. The goal of IUS project is to provide … Read more
Introduction In this tutorial we will learn how to get EC2 Instance Metadata from an AWS EC2 instance. We will get the metadata using ec2-metadata and ec2 metadata. This is not typo. The tools name is really similar but one of them using dash on its name. Using EC2 Instance Metadata Query Tool (ec2-metadata) Install … Read more
In this tutorial we will test the behaviour of javax.net.ssl.trustStore option.
The objective is to check whether -Djavax.net.ssl.trustStore option append or replace the default java keystore being used by java.
Learn how to fix zramctl: command not found error message in this article. We will learn fixing this error message on several Linux distributions including Ubuntu and CentOS / AlmaLinux. We will also learn to resolve this problem on MacOS X
Learn how to fix x86_64: command not found error message in this article. We will learn fixing this error message on several Linux distributions including Ubuntu and CentOS / AlmaLinux. We will also learn to resolve this problem on MacOS X