Linux User and Group Management: Commands and Best Practices
Linux user and group management explained: user types, key files, creating, changing, locking and deleting users, groups, sudo access and best practices.
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March 31, 2022
Linux Special Permissions (SUID, SGID, Sticky Bit) and ACLs Explained
Linux special permissions explained: SUID, SGID and the sticky bit with examples, their security risks, and how to use ACLs with setfacl and getfacl.
March 31, 2022
Linux File and Directory Permissions Explained (chmod, chown, umask)
Linux file permissions explained: read, write and execute for owner, group and others, directory permissions, chmod modes, chown and umask.
March 31, 2022
Linux Fundamentals and Basic Commands for Beginners
Linux fundamentals and basic commands for beginners: the shell, paths, files and directories, searching text, permissions, processes and getting help.
March 31, 2022
Difference Between Linux and Windows: A Practical Comparison
The difference between Linux and Windows explained: licensing, kernel, file system, users and permissions, software, security, servers and which to choose.
March 31, 2022
Difference Between Linux and Unix: History, Licensing and Use Today
The difference between Linux and Unix: history, licensing, kernels, POSIX and certification, examples like AIX and macOS, and where each is used today.
March 31, 2022
5 Linux Predictions for 2022: What Actually Happened
We look back at five popular Linux predictions for 2022, from Linux gaming to Wayland and Flatpak, and check which ones came true by 2026.
March 31, 2022
10 Reasons to Use Linux in 2026
Ten practical reasons to use Linux in 2026: cost, security, stability, control, cloud, developer tools, older hardware and careers, plus when not to.
March 8, 2022
What Is Linux? History, Distributions and File System
What is the Linux operating system? Its history from Unix and GNU, how the kernel and distributions work, popular distros and the file system hierarchy.
March 8, 2022
What Is DevOps? Principles, Lifecycle, Tools and Careers
What is DevOps? The culture and principles behind it, the DevOps lifecycle, CI/CD, key tools by stage, how to measure success, DevSecOps and career paths.
March 4, 2022