Docker security has become an essential consideration for organizations using containerization. Docker, by default, provides isolation between applications, but it’s still crucial to follow security best practices to harden your Docker setup.
The sudo command stands for "superuser do" and is used to execute commands with elevated privileges. Ubuntu restricts access to administrative tasks to prevent unintended or malicious changes to the system. With sudo, you can give certain users the ability to perform specific administrative tasks.
You're likely to work with multiple branches for different features, bug fixes, and releases. While managing these branches, you might run into situations where you need to temporarily save your work without committing it, and later apply it on the same or even a different branch.
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nmon is a lightweight yet powerful Linux performance monitoring tool. This Zero-to-Hero guide walks you through installing, using, recording, and analyzing nmon data—from your first run to automation, capacity planning, and advanced use cases.
A deep dive into the Dell XPS 15 9550: its specs, strengths, weaknesses, and real-world performance. From power and display quality to heat, battery life, and aging issues—this guide helps you decide if this classic laptop is still a good fit today.
Jenkins as a Docker container is a powerful way to leverage the benefits of containerization in your CI/CD workflows. Docker allows you to create, manage, and deploy Jenkins environments efficiently, enabling consistent builds across various environments.
One of the key aspects of Docker security is ensuring that the images you build and deploy are free from vulnerabilities. A vulnerable Docker image could introduce a backdoor for attackers or expose your applications to known exploits.
When GRUB suddenly stopped auto-booting and waited forever for input, the cause wasn’t Linux, the kernel, or updates — but a tiny USB keyboard dongle. This post follows a real debugging journey through BIOS quirks, USB initialization, and bootloader surprises.
The concepts of file permissions and ownership are fundamental to securing the system and ensuring that users and processes have the appropriate access to files and directories. Proper understanding of these permissions helps maintain the security, stability, and usability of the operating system.
In the previous post, we discussed how to use git stash to temporarily save changes without committing them. Now, we'll dive deeper into how to apply and clear stashes when you're ready to bring your changes back or clean up your stash history.
Python is a powerful, versatile language that’s widely spread. In this post, we'll cover the essentials of Python. Step-by-step installation and a first look at Python syntax. Writing your first "Hello, World!" script and understanding core programming concepts in Python.
