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Why Career Switchers Are Flocking to Tech & Cloud Roles

Highlights Tech and cloud roles now exist in every industry, not just IT companiesMany cloud jobs focus on operations, reliability, security, and cost control, not codingCareer switchers benefit from c...


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How to Change Hostname on Linux (Without Rebooting)

In this guide you’ll learn:

What hostnames are, and why they matter.How to change a hostname:With the hostnamectl command on systemd-enabled operating systems.With the hostname command on non-systemd operating systems.When and why to update the /etc/hosts file.How FQDNs (Fully Qualified Domain Names) work....


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What Makes a Great DevOps Engineer - 2026 Edition

Highlights Thinks in systems, not toolsBuilds on strong fundamentals (Linux, networking, OS concepts)Designs with a cloud-native mindset, not just cloud accessTreats 


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How to Run .sh Shell Scripts in Linux (Fix Command Not Found & Permission Denied Errors)

You're in the terminal. And you have this shell script file:

But when you try to run myscript.sh, you get the "command not found" error:

The file is there, yet the command line behaves as if it doesn't exist.

Even weirder, maybe you know the "secret fix" to this: Add a leading ./ (period, slash) before your script filename. But it fails again:


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Why Linux Fundamentals Are the Foundation of Every DevOps Role

Highlights Linux is the execution layer beneath modern DevOps tools, not a legacy skillContainers, Kubernetes, CI/CD, and cloud platforms all rely on Linux behaviorMost production failures trace back to processes, resources, filesystems, or networkingStrong Linux fundamentals reduce debugging time during real incidentsDevOps maturity is about system thinking, not to...


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