I've been using Linux for what seems like forever. Over the years, I've noticed that I use the command line less and less, because the GUIs have just gotten so much better. Even still, there are ...

I'm working on some scripts that execute on various servers, and I'm trying to consolidate them into one. The problem is that I need to run remote commands but can't ...

OpenBSD has recently stressed to us the value of key rotation by their use of “Signify” distribution release signatures. We have realized that SSH keys should also rotate, to reduce the risk of ...

I've been using Secure Shell (SSH) for decades. With this remote login tool, I can rest assured my remote machines accept logins securely and efficiently. At the same time, I also understand nothing ...

How to View Your SSH Keys in Linux, macOS, and Windows Your email has been sent There will be times when you need to actually view your SSH certificates on Linux. Why? For example, you need to add a ...

Linux built-ins are commands that are built into the shell, much like shelves that are built into a wall. You won’t find them as stand-alone files the way standard Linux commands are stored in ...

Commands that provide help are essential. Here's a look at some of the help you can get from the Linux system itself. Even after you’ve used Linux for a while, you will still find yourself needing ...

This article is reprinted from the book A Practical Guide to Linux Commands, Editors, and Shell Programming 3rd edition, with permission of the author and publisher ...

The Android ConnectBot application is an SSH client for Android devices. The app can be downloaded from the Android Market, and it allows a user to secure-shell into a Linux environment. Because ...