Jack Wallen, Author at TechRepublic

Jack Wallen

Jack Wallen is an award-winning writer for TechRepublic, The New Stack, and Linux New Media. He's covered a variety of topics for over twenty years and is an avid promoter of open source. For more news about Jack Wallen, visit his website jackwallen.com.

How to Set Temporary Environment Variables in Linux

Open source
How to Set Temporary Environment Variables in Linux

Did you know you can set temporary environment variables on the Linux operating system? Learn how to get started with Jack Wallen's video tutorial.

Jack Wallen
Published: September 25, 2023, 5:59 PM EDT Modified: September 25, 2023, 5:59 PM EDT Read More See all videos
How to Set Temporary Environment Variables in Linux

Developer
How to Set Temporary Environment Variables in Linux (+Video Tutorial)

In Jack Wallen's tutorial for developers, he show how easy it is to set temporary environment variables in Linux.

Jack Wallen
Published: September 25, 2023, 5:59 PM EDT Modified: September 25, 2023, 5:59 PM EDT Read More See more Developer articles
Security
How to Compare the Contents of Local & Remote Files with the Help of SSH

This is a step-by-step guide on how to compare the contents of local and remote files with the help of SSH. Watch our video tutorial to help you learn.

Jack Wallen
Published: September 25, 2023, 3:13 PM EDT Modified: September 25, 2023, 3:13 PM EDT Read More See all videos
How to compare the contents of local and remote files with the help of SSH.

Security
How to Compare the Contents of Local & Remote Files With the Help of SSH

This is a step-by-step guide on how to compare the contents of local and remote files with the help of SSH. Watch the companion video tutorial by Jack Wallen.

Jack Wallen
Published: September 25, 2023, 3:05 PM EDT Modified: September 25, 2023, 3:11 PM EDT Read More See more Security articles
Image: TechRepublic

Security
How to Create and Copy SSH Keys with 2 Simple Commands (+Video Tutorial)

SSH keys provide a secure and convenient way to authenticate remote servers. In this step-by-step tutorial, Jack Wallen explains how to easily create and copy SSH keys.

Jack Wallen
Published: September 25, 2023, 8:34 AM EDT Modified: September 25, 2023, 6:39 PM EDT Read More See more Security articles
Security
How to Create and Use a Docker Secret From a File

Learn how to create and use a Docker secret from a file for secure storage of sensitive data with this step-by-step tutorial.

Jack Wallen
Published: September 19, 2023, 10:04 AM EDT Modified: September 19, 2023, 10:05 AM EDT Read More See all videos
Image: TechnologyAdvice

Security
How to Create and Use a Docker Secret From a File (+Video)

In this step-by-step tutorial, learn how to create and use a Docker secret to help keep your data secure.

Jack Wallen
Published: September 19, 2023, 9:57 AM EDT Modified: September 19, 2023, 11:28 AM EDT Read More See more Security articles
How to use a Docker volume. Image: TechnologyAdvice

Cloud
How to Create and Use a Docker Volume

In this How to Make Tech Work tutorial, Jack Wallen shows how to create a Docker volume that can be used for any number of containers.

Jack Wallen
Published: September 19, 2023, 9:26 AM EDT Modified: September 19, 2023, 9:26 AM EDT Read More See all videos
Illustration: Andy Wolber/TechRepublic

Developer
How to Add Code to Google Docs Using Code Blocks

Use our step-by-step guide to learn how to quickly add code to Google Docs using the Code Blocks add-on as well as the built-in Google Workspace option.

Jack Wallen
Published: August 4, 2023, 2:50 PM EDT Modified: August 4, 2023, 2:50 PM EDT Read More See more Developer articles
Image: TechnologyAdvice

Developer
How to Install Git on macOS (+Video Tutorial)

In this How to Make Tech Work tutorial, Jack Wallen demonstrates how to install Git on macOS.

Jack Wallen
Published: July 24, 2023, 5:57 PM EDT Modified: July 24, 2023, 5:57 PM EDT Read More See more Developer articles