Martin Frňka

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Locking Down Linux: Using Ubuntu as Your Primary OS, Part 1 (Physical Attack Defense)

Windows 10 and macOS have poor reputations when it comes to customer privacy and user policies. In addition, our steady flow of hacking Windows 10 …

Linux

PacVim - A Game That Teaches You Vim Commands

Although Vim (short for <b>VI Improved</b>) is a popular text editor on Linux systems, people still find it hard to learn, it has a steep learning curve …

Linux

Is Joplin a Serious Open Source Evernote Alternative?

Many people probably know Evernote or OneNote — two sophisticated note management applications with many great features. One advantage — especially …

Software

TensorFlow Tutorial For Beginners

<i>Originally published at</i> <i>https://www.datacamp.com/community/tutorials/tensorflow-tutorial</i><p>Deep learning is a subfield of machine learning that is a set …

6 Best Vi/Vim-Inspired Code Editors for Linux

Vim (short for Vi Improved) is a free, open source, powerful, highly configurable and extensible text editor. It has a large and dedicated community …

Breaking Through The Vim Learning Curve

I tried to learn Vim, believe me, many times. As many times as I tried, I failed. That is until two weeks ago, when something inside my ancient and …

A brief history of bad passwords

IT-mandated password policies seem like a good idea—after all, what are the chances that an attacker will guess your exact passcode out of the 782 …

How to monitor a Linux log file in real time

This must-know Linux command will make troubleshooting considerably easier.<p>Quick: What's the first thing you do when you need to troubleshoot a Linux …

How to Write Image Files to SD Card with dd from Command Line of Mac or Linux

Need to write an image file to an SD card? The command line ‘dd’ tool can do that for you, writing a disk image .img file to an SD card with minimal …

Quick and Easy Installation of Oracle Database 12c on Oracle Linux in Oracle VM VirtualBox

By:<p>In a previous blog post, I described the steps to streamline the pre-installation steps on Oracle Linux for Oracle Database 12c using the Database …

Convert snake_case to CamelCase in Vim

This is a small snippet.<p>Create this function in your shell:<p>If you use fish:<p>Then, you can convert standard input to CamelCase:<p>These functions are …

How to install osTicket on Ubuntu 16.04

If your organization needs a support ticket system, osTicket might be your best option. This free and simple open source solution makes it easy to …

How to Connect Wi-Fi from Linux Terminal Using Nmcli Command

There are several command-line tools for managing a wireless network interface in Linux systems. A number of these can be used to simply view the …

3 Simple, Free Apps for Accessing Your Home Computer From Anywhere

You’re at work, or on the other side of the world, or both, and you need something from your computer at home—in years gone by, you would need an IT …

Linux

Why I switched to Vim from Visual Studio Code

I started using Vim as my main editor around six months ago and I can say it has been a worthwhile experience because it has pushed me to think in a …

Linux

System Tar and Restore – A Versatile System Backup Script for Linux

System Tar and Restore is a versatile system backup script for Linux systems. It comes with two bash scripts, the main script star.sh and a GUI …

4 command line note-taking applications for Linux

When you need to save a code snippet or a URL, an idea or a quote, you probably fire up a text editor or turn to a desktop or web-based note-taking …

Linux Mint announces Mintbox Mini 2 tiny desktop PC with Intel inside

Due in June, the new Mintbox moves from an AMD CPU to a rival Celeron processor, which should provide a performance boost while maintaining a similar …

Top Linux tools for writers

If you've read my article about how I switched to Linux, then you know that I’m a superuser. I also stated that I’m not an “expert” on anything. …

How to create a Bash completion script

I recently worked on creating a Bash completion script for a project, and I enjoyed it very much. In this post, I will try to familiarize you with …

Top 15 Open Source Backup Software for Linux

To recover from some unexpected situations like human errors, Disk failure or RAID, Corruption of file systems we need a good backup plan. The …

Linux

SSH Permit A38

Central management and deployment for SSH keys<p>Features<p>Central management of public SSH keys and servers in a simple and readable JSON database<br>• Sync …

Learn Linux from Oracle, a Key Linux Contributor

By: | Director<p>Oracle's key Linux contributions highlight Oracle's technical leadership and dedication to the worldwide success of Linux for …

Google Builds A Synthesizer With Neural Nets And Raspberry Pis.

AI is the new hotness! It’s 1965 or 1985 all over again! We’re in the AI Rennisance Mk. 2, and Google, in an attempt to showcase how AI can allow …

9 traits of successful programmers that kids can develop now

I don’t have kids. But there are lots of kids in my life. I’ve also worked closely with thousands of entry-level developers over the course of my 20 years in tech. Throughout my career I’ve been approached by parents looking for advice on how to encourage their kids to become software engineers. It …

Linux Fu: File Aliases, Links, and Mappings

Have you heard it said that everything in Linux is a file? That is largely true, and that’s why the ability to manipulate files is crucial to …

Ubuntu Has Made its Minimal Images Even More Minimal — Just 28MB!

The Ubuntu minimal image has been reduced in size for the upcoming Ubuntu 18.04 LTS Bionic Beaver release. Ubuntu devs have reduced the images to …

Raspbian update: supporting different screen sizes

You may have noticed that we released a updated Raspbian software image yesterday. While the main reason for the new image was to provide support for …

Do More With Your Raspberry Pi With Humble's Latest Ebook Bundle

If you’ve picked up a Raspberry Pi, and want to learn how to do more with it than just play old video games, Humble’s newest ebook bundle is a …

Raspberry Pi 3 Model B+ boosts speed but keeps $35 price

It’s been a couple of years since Raspberry Pi 3 Model B was first launched, so it’s just about time for an updated model. Today, the folks behind …