Host Keith Shaw and his expert guests discuss the latest technology news and trends happening in the industry. Watch new episodes twice each week here or listen to the podcast.
Learn how to use the powerful bc command in Linux to perform fast, accurate calculations right from the command line. In this Linux tip, Sandra Henry-Stocker—author of the Unix as a Second Language blog—walks you through examples including additi...
Want to perform quick math right from your Linux terminal? In this Linux tip, Sandra Henry-Stocker (author of the Unix as a Second Language blog on NetworkWorld) breaks down the expr command—a powerful way to do basic arithmetic like addition, subt...
In this Linux tip, Sandra Henry-Stocker—author of the Unix as a Second Language blog—shows you how to perform basic math right in the Linux command line using double parentheses syntax $(( )). Learn how to add, multiply, divide, and use multiple ...
Learn how to use the tldr command in Linux for quick, easy-to-read command examples—no more digging through lengthy man pages! In this Linux tip, Sandra Henry-Stocker, author of the \"Unix as a Second Language\" blog on NetworkWorld, explains how t...
In this Linux tip, Sandra Henry-Stocker, author of the \\\"Unix as a Second Language\\\" blog on NetworkWorld, walks you through how to use the column command in Linux to neatly organize your command-line output into formatted columns.
In this quick Linux tip, Sandra Henry-Stocker (author of the “Unix as a Second Language” blog on NetworkWorld) shows you how to use the rev command — a simple but fun tool that reverses text in your terminal.
In this Linux tip, we look at the groupdel command – the command used to remove a user group on Linux.
In this Linux tip, we look at the groupadd command – the command that’s used to set up a new user group on Linux.
In this Linux tip, we’ll take a look at the sed (stream editor) command and explore some of the command’s common uses. Sed provides an easy way to search for and replace text on the command line.
In this video, we’re going to take a look at the vmstat command that reports on virtual memory usage. It vmstat, is a Linux command-line tool that provides stats on memory, paging, block IO, traps, disks and CPU activity.
This Linux tip explains the alias command and explains explore why it’s such a time saver – especially when you need to run complex commands.
In this Linux tip, we take a look at exit codes – the numeric codes that are generated when a command is run that indicate whether the command was run successfully or, if not, what kind of problem was encountered.
In this Linux tip, we look at lsblk – a command that is helpful for getting information on disk drives and block devices on your Linux system.
In this Linux tip, we take a look at the fdisk -l command that provides lots of details on disk partition tables.
In this Linux tip, we take a look at the du command that reports on disk space usage.
In this Linux tip, we look at file permissions on Linux in two ways.
In this Linux tip, we take a look at the whereis command. It’s a command that will tell you where the executable and the man page are for a command.
In this Linux tip, I show you how to start an infinite loop on the Linux command line. Well, at least it would keep running until something stopped it.
In this Linux tip, we look at the dstat command – a command that provides a lot of details about system performance such as CPU usage and disk activity.
In this Linux tip, we take a look at the iostat command – a command that provides stats on IO activity.