36 posts

Command Line

10 min read
How to Change Hostname on Linux (Without Rebooting)
Alexandru Andrei
Alexandru Andrei
You can find Alexandru's tutorials on DigitalOcean, Linode, Alibaba Cloud. He believes the Linux ecosystem is simple, elegant, and beautiful. He's on a mission to help others discover this Linux world.
Published: Jan 14, 2026 • Linux • linux commands • Command Line
10 min read
How to Run .sh Shell Scripts in Linux (Fix Command Not Found & Permission Denied Errors)
Alexandru Andrei
Alexandru Andrei
You can find Alexandru's tutorials on DigitalOcean, Linode, Alibaba Cloud. He believes the Linux ecosystem is simple, elegant, and beautiful. He's on a mission to help others discover this Linux world.
Published: Jan 6, 2026 • Linux • Command Line • linux commands
9 min read
How to Use the cURL Command to Download Files
Alexandru Andrei
Alexandru Andrei
You can find Alexandru's tutorials on DigitalOcean, Linode, Alibaba Cloud. He believes the Linux ecosystem is simple, elegant, and beautiful. He's on a mission to help others discover this Linux world.
Published: Nov 11, 2025 • Command Line • linux commands • command prompt
5 min read
Ubuntu: Set Timezone
Alexandru Andrei
Alexandru Andrei
You can find Alexandru's tutorials on DigitalOcean, Linode, Alibaba Cloud. He believes the Linux ecosystem is simple, elegant, and beautiful. He's on a mission to help others discover this Linux world.
Published: Oct 3, 2025 • ubuntu • Linux • linux commands
11 min read
How to Enable SSH on Ubuntu
Alexandru Andrei
Alexandru Andrei
You can find Alexandru's tutorials on DigitalOcean, Linode, Alibaba Cloud. He believes the Linux ecosystem is simple, elegant, and beautiful. He's on a mission to help others discover this Linux world.
Published: Oct 3, 2025 • ubuntu • SSH • ssh key
8 min read
How to Change Directory / Folder in cmd (Command Prompt)
Alexandru Andrei
Alexandru Andrei
You can find Alexandru's tutorials on DigitalOcean, Linode, Alibaba Cloud. He believes the Linux ecosystem is simple, elegant, and beautiful. He's on a mission to help others discover this Linux world.
Published: Sep 3, 2025 • Command Line • command prompt • file management