If you are a systems administrator of one or more Linux/UNIX systems, OpenSSH is likely one of the most important tools in your toolbox. OpenSSH can be used interactively or embedded in scripts to ...

There’s a command line tool for running multiple commands on multiple Linux servers at once. Jack Wallen shows you how with Parallel-SSH. If you’re an administrator of multiple Linux machines in your ...

I switched to Alpine Linux, and it's a crazy-fast distro with only one caveat ...

Jack Wallen offers tips for securing Linux that you can take care of in five minutes or less. SSH is a tool I use every single day to log into remote Linux servers and take care of my admin tasks.