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Continue reading →: How to Change Directory Permissions in Linux — DevOps Guide
To change directory permissions in Linux, use the following: chmod +rwx filename to add permissionschmod -rwx directoryname to remove permissions.chmod +x filename to allow executable permissions.chmod -wx filename to take out write and executable permissions. Note that “r” is for read, “w” is for write, and “x” is for execute.…
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Continue reading →: Linux Directory Structure Explained — Must-Know for Every DevOps Engineer!
In Linux, everything starts from the root — /. The entire file system is organized in a tree-like hierarchy, and understanding this structure is essential for DevOps engineers managing servers, containers, and cloud systems. Directory Purpose DevOps Relevance / Root – The base of the file system Starting point of…
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Continue reading →: What is a Network Port? Why is it Important for a DevOps Engineer?
A port is a virtual point where network connections start and end. Ports are software-based and managed by a computer’s operating system.Each port is associated with a specific process or service.Ports allow computers to easily differentiate between different kinds of traffic: emails go to a different port than webpages, for…
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Continue reading →: A common question people ask:”How can I become a DevOps Engineer?”
The answer is simple —start learning, practicing, and applying tools in real-life scenarios to understand how modern systems operate efficiently.Build a strong foundation with essential DevOps tools and concepts: Cloud Platforms: AWS, Azure, GCP Operating Systems: Linux Scripting: Bash Version Control: Git, GitHub, GitLab CI/CD: Jenkins, GitHub Actions, GitLab CI,…
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Continue reading →: As a DevOps Engineer, security responsibilities are a critical part of your role, especially in modern cloud-native, containerized, and automated environments.
1. Infrastructure Security Harden cloud infrastructure (AWS, Azure, GCP, etc.). Use IAM roles/policies, least privilege access. Manage security groups, NACLs, VPC subnets properly. Encrypt data at rest and in transit. 2. CI/CD Pipeline Security Secure GitHub Actions, Jenkins, GitLab pipelines: Mask secrets (use secret managers like AWS Secrets Manager, HashiCorp…
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Continue reading →: Cost Optimization – A DevOps Engineer’s Perspective
In today’s cloud-native world, cost optimization isn’t just a finance concern — it’s a DevOps responsibility. As engineers managing infrastructure, deployments, and automation, we’re in the best position to build systems that are not only scalable and reliable but also cost-efficient. Here’s how I approach cost optimization as part of…
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Continue reading →: Why Docker is more important for a devops Engineer
As a DevOps engineer, Docker isn’t just a tool — it’s a game-changer.Docker is an open-source platform that allows developers and DevOps teams to build, ship, and run applications in containers — lightweight, standalone packages that bundle everything an app needs: code, runtime, libraries, and dependencies. How Docker Works:Images –…
