Brad Morton

I'm Brad, and I'm nearing 20 years of experience with Linux. I've worked in just about every IT role there is before taking the leap into software development. Currently, I'm building desktop and web-based solutions with NodeJS and PHP hosted on Linux infrastructure. Visit my blog or find me on Twitter to see what I'm up to.

Home » Articles by: Brad Morton

How to Get CPU Information on Linux, With Examples

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Get CPU Info in Linux

Here’s how to display the CPU info for your computer on Linux from the Linux command line. The CPU (Central Processing Unit) in your computer does all of the number crunching and processing and logic that your computer needs to do to, well, compute. It’s the brains of the whole operation. The type of CPU, how old it is, and how fast it is determines how responsive your computer is and how quickly it can do things. CPU Info From /proc/cpuinfo One of the core … Read more

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List Running Processes in Linux with ps, top, or htop

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Linux List Processes

This article will show you how to list running processes in Linux using several tools. This will allow you to see what is running and how your system resources are being consumed. It’s helpful to see what resources are in use by what process to diagnose slow systems. This information can be used to determine whether you need to purchase more memory (RAM), a faster processor, or whether an application or service on your computer is misconfigured and using more resources than it should. What … Read more

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tee Command in Linux – Split Shell Output [Examples]

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Linux tee Command

The tee command in the Linux Shell/command line splits the output of an application – sending output to both a file and STDOUT (the console or another application). Here’s how to use it. The tee command is named for a T-splitter used in plumbing – a pipe that redirects water from a single source in two directions. tee Command Syntax tee is a command with a simple purpose and simple syntax: tee OPTIONS FILE Note that: OPTIONS is a list of options from the below table FILE is the path to … Read more

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Linked Lists in Python – How to Use Them, With Examples

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Python Linked Lists

This article will explain in simple terms what linked lists are, why they’re useful, and how to use them in the Python programming language. Lists In Python, a list is an array of data – a simple list of values where each item has a value and a position in the list. Lists are indexed (so the positions start counting at position 0, not 1). For more information on lists in Python, check out these LinuxScrew articles: Python List ‘sort()’ Method – Sorting Lists in Python Easily … Read more

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The uniq Command In Linux – Tutorial and Examples

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Linux uniq Command

This article will explain how to use the uniq command in Linux to find or filter repeated lines in files and provide some usage examples. The uniq command is a simple command which either outputs or omits repeated lines in the supplied input or file. uniq Command Syntax The syntax for the uniq command is as follows: uniq OPTIONS INPUT OUTPUT Note that: OPTIONS is a list of options from the below table INPUT should be the path to the file to be read *Standard input *can also be used OUTPUT should be … Read more

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Multidimensional Arrays in PHP – How To Use, With Examples

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PHP Multidimensional Arrays

This article will show you how to use multidimensional arrays in the PHP programming language, explaining what they are and how to use them. What is an Array? An array is a type of PHP variable that can hold multiple values. It’s a list of values you can loop through and perform operations on each individual value. For example, you might want to perform an action on a list of files. By storing that list as an array, you can loop through the file names … Read more

Categories PHP

Home » Articles by: Brad Morton

Converting a List to a String (and Back!) in Python [Examples]

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Python List to String

This article will show you how to convert lists to a string in the Python programming language. Why would you want to convert a list to a string? Most commonly, because you want to print it or because you want to store it in a database text field or a text file. Converting List to String in Python The join() string method will take a list or iterable in Python and join each element, using the given string as a separator between each element. # Define a list of strings myList … Read more

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JavaScript onclick() Events – Tutorial, With Examples

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JavaScript onclick() Tutorial

JavaScript adds interactivity to web pages. This article shows you how to trigger JavaScript functions when an HTML element is clicked using onclick() events and attributes. Code examples included. JavaScript Events An event in JavaScript simply means that something has happened. The mouse has moved, or a key has been pressed, and JavaScript has been notified by the raising of an event. onclick Event When the user clicks on something, the onclick event is raised, allowing you to trigger some JavaScript code when an element is clicked. … Read more

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JavaScript vs Java – What’s the Difference Which to Use in 2021?

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JavaScript vs Java

Here’s a clear article on what makes Java and JavaScript different – and some information to help you make the choice on which to learn and use for your projects in 2021. First up, it’s important to clarify that JavaScript and Java are not the same things! They just have similar names. It’s stupid, and they should have called JavaScript something else (and tried to re-badge it ECMA Script, which is also a terrible name), but the JavaScript name stuck. Now we’re all stuck with two different programming languages … Read more

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Delete Files Older Than X Days/Hours in Bash [Examples]

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Bash Deleting Files Older Than X

This article will show you how to delete files older than a given number of days (or hours/minutes) manually or automatically via a Bash script. Examples included. Removing files older than a certain number of days (or minutes, or hours) makes use of two Linux commands – rm and find. Deleting Files with rm First up, the rm command. The rm command is used to remove files and directories in Linux. Here’s a whole article about how it’s used: rm Command in Linux [With Examples] Passing a Filtered List of Files to rm The next … Read more