Jan 23 · 3 min read · chmod is a command-line utility used to change the access permissions of file system objects such as files and directories. It allows you to control who can read, write, and execute those objects. Changing Permissions Using Octal Notation Example Usa...
Join discussionDec 25, 2025 · 10 min read · Introduction You've just created a file, and now your teammate can't read it. You change the permissions with chmod 755, but a critical config file still won't open. You run chmod 000 on a sensitive file thinking no one can access it—except root stil...
Join discussionNov 8, 2025 · 5 min read · Los permisos en sistemas empresariales es uno de los aspectos más importantes y lo que más vas a tener que usar, por tanto, es importante que sepas su funcionamiento. Estos permisos nos permiten establecer reglas en directorios o archivos para que de...
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Aug 12, 2025 · 5 min read · 🎯 Target Audience: Beginners in DevOps & DevSecOps 🧠 Key Concepts: chmod, chown, sudo, file permissions, principle of least privilege ⏱️ Estimated Read Time: 7-9 minutes 💡 Outcome: Understand how to manage permissions & ownership for secure aut...
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Jun 9, 2025 · 4 min read · If you're on the DevOps journey (like I am!), learning Linux file permissions is not just helpful — it’s absolutely essential. Whether you're configuring a Jenkins pipeline, managing an EC2 server, or deploying a script via Docker, file permission er...
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Mar 13, 2025 · 5 min read · File permissions and ownership are crucial for system security. The commands chmod, chown, and chgrp are used to manage these aspects. chmod (change mode) Purpose: It is used to change the permissions of a file or directory. These permissions determ...
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Feb 22, 2025 · 6 min read · Process Management Background = cntl+z, jobs and bg Foreground = fg Run process even after exit = nohup process & OR nohup process > /dev/null 2>&1 & Kill a process by name = pkill Process priority = nice (e.g. nice -n 5 processs) The nic...
Join discussionFeb 18, 2025 · 4 min read · Understanding Linux File Permissions: A Beginner’s Guide Linux file permissions are a crucial aspect of system security and management. They determine who can access files and directories, and what actions they can perform. In this post, we’ll break ...
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Nov 29, 2024 · 3 min read · A shell script is a computer program designed to be run by a Unix shell, like Bash. It's a sequence of commands that can automate tasks, making your work more efficient. Docker and shell scripting are powerful tools that can be used together to autom...
Join discussionNov 27, 2024 · 2 min read · Linux is a cornerstone of the IT world, powering servers, desktops, and embedded devices. Whether you're a beginner or brushing up, here's a concise guide covering key Linux concepts with commands to get started. 1. What is Linux? Linux is an open-s...
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