Home » Articles by: Brad Morton

Setting a Static IP Address on a Raspberry Pi [With Screenshots]

Setting a Static IP Address on a Raspberry Pi

If you followed our article on how to SSH to your Raspberry Pi so that you can control it over a network, you might be tired of having to run the commands to find out what its current IP address is on your network. Most networks assign IP addresses dynamically, which means each device on the network is assigned an IP address from a pool of available IP addresses. The address for a specific device may change over time if it is rebooted or the address is automatically … Read more

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Python String replace Method [With Examples]

Python String replace

This article shows you how to use the string.replace() method in Python to replace elements in a string of characters and includes useful examples. Python String replace Syntax The replace() function can be called on existing string variables like so: string.replace(find, new, count) Where: string is the existing string variable find is the string your want found and replaced new is the text you want to replace the found text count is the number of instances of the found text you want to be replaced, counted from the beginning of the … Read more

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Raspberry Pi & Python Powered Tank

pi python powered tank

The title pretty much explains this project- it’s a tank, that can shoot BBs – powered by a Raspberry Pi and Python Code. It’s pretty awesome. This is part one of a two-parter and handles all of the hardware and wiring and a Python script for test firing the engines. Click here to see Part 2 of this project where I get a live video stream and buttons to control the tank into a web UI! As with my other projects, I’ll try to keep things simple … Read more

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Checking for Available Disk Space on Ubuntu [Guide]

check disk space in ubuntu

This simple guide explains how to check how much disk space is available in Ubuntu Linux. The df command tells you how much space is being used on each storage volume attached to your Linux system. To run it, simply execute the following command in your terminal: df Which outputs: Easy! But, it’s a bit difficult to read at a glance – the -h option makes everything human-readable: df -h Which outputs: However, there’s a lot of junk in there- we can ignore the /dev/loop* entries by omitting filesystems of the squashfs type: df … Read more

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The Bash Profile and How to Use It

Bash Profile 1

If you’re frequently interacting with Linux via the Bash shell, you’ll eventually want to customize it a bit – perhaps adding your own shortcuts, or setting up the environment to your liking, or even just adding some decorative personalization. This is what the Bash profile is for. It’s stored in your home directory and can be edited to set things up just the way you want each time you log in. Editing your Bash Profile To edit your bash profile, open it with the nano text editor … Read more

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Python range Function – How to Use It [With Examples]

Python range Function

The Python range() function returns an immutable sequence of integers between a given start and endpoint, incrementing by a given amount. Python range Syntax Here’s the syntax for the Python range() function: range(start, stop, step) Note that: start is the integer to start incrementing from – it will be included in the range If it is not supplied, it will be assumed to be 0 stop is the integer to end the range at – it will NOT be included in the range – the range will end before the stop value If start and stop are the same, an empty … Read more

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How to Make a PHP Redirect to a Different Page [Quick & Easy]

How to Make a PHP Redirect

Being able to redirect the user to a different page in PHP can be useful if you’ve moved a page to a different location or want to send the user elsewhere – directing them to an access denied or error page instead of the page they were trying to access. This can be easily done using the PHP header() function. Using the PHP header() Function to Redirect to a Different Page To redirect the user to a different page, simply include the following PHP code: header(“Location: https://linuxscrew.com/”); … Read more

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Home » Articles by: Brad Morton

Find Command in Linux [With Useful Examples]

Find Command in Linux

The find command in the Linux shell allows you to search for files in the filesystem. It can find files by name, user permissions, and size. The find command can also perform actions on the files which are found. Find Command Syntax The syntax for the find command is as follows: find [OPTIONS] [PATH] [EXPRESSION] Where: [OPTIONS] are options from the below table to determine the find behavior [PATH] is the starting point for the search [EXPRESSION] defines the tests to find matching files and any action that should be taken … Read more

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How to Update Kali Linux [Quick Guide]

update Kali Linux

So you’ve followed our guide to Installing Kali Linux, and you want to make sure all of your software is up to date. Follow these instructions to make sure you’re on the latest version. Updating Kali Linux from the Terminal Check that the /etc/apt/sources.list file is populated: cat /etc/apt/sources.list You should see something like: deb http://http.kali.org/kali kali-rolling main contrib non-free deb-src http://http.kali.org/kali kali-rolling main contrib non-free If you don’t see the above, you may need to add those lines to the file. If everything looks good in … Read more

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How to Install Kali Linux [Easy Guide]

Install Kali Linux

Kali Linux is a Linux distribution built from the ground up for Penetration Testing and Security Auditing. This step-by-step tutorial explains how to install it quickly and easily. What does that mean? It means Kali Linux is for trying to break into (your own) networks and computers to check for vulnerabilities. It contains hundreds of tools for testing for security vulnerabilities and tools for computer forensics, reverse engineering, and security research. Kali Linux can be run from a CD or USB stick or installed like any other Linux distribution … Read more