Cgroups (control groups) are a Linux kernel feature that allows you to control and limit the resources (CPU, memory, I/O) that processes can use. This becomes crucial for system stability, especially when working with resource-hungry applications, containers, or virtual machines. How Cgroups Work Cgroups create hierarchical groups where processes...
On Unix and Linux systems, the superuser account—commonly referred to as root, admin, or supervisor—holds the highest level of authority, allowing for unrestricted system-wide changes. This account is primarily used for critical administrative tasks, such as modifying file ownership or managing network ports. However, there are times when...
To list open ports in Linux, you can use several commands depending on your needs. Here are some of the most common methods: 1. Using netstat netstat is a versatile tool for monitoring network connections. bashCopy codesudo netstat -tuln * -t: Show TCP ports. * -u: Show UDP ports. * -l: Show listening...
What is Amazon EC2 instance? Amazon Elastic Compute Cloud (Amazon EC2) is a web service provided by Amazon Web Services (AWS) that offers scalable virtual servers, known as instances, in the cloud. It allows users to run applications on a virtual machine with varying configurations of CPU, memory, storage, and...
Introduction: In the rapidly evolving world of DevOps, effectively managing source code is essential. GitLab stands out as a powerful and adaptable platform for source code management, offering a comprehensive solution for teams that want to streamline their source control, continuous integration, and collaboration processes. In this blog, we'...
Docker is an open-source platform that enables developers to automate the deployment, scaling, and management of applications within lightweight, portable containers. To install docker on ubuntu: 1. Set up Docker's apt repository. # Add Docker's official GPG key: sudo apt-get update sudo apt-get install ca-certificates curl sudo...
