New View

Purifying your scanned PDF files

Jan 23, 2019

Having trouble reading that scanned PDF? You can add a little more contrast with some help from ImageMagick.

Using ARP for Network Recon

Network Sleuth

Apr 29, 2019

When it comes to network recon, arp-scan allows you to collect device intel quickly and stealthily.

Tutorials – Natron

Four Corners

Feb 22, 2019

Tracking is good for stabilizing video clips, and it helps you put stuff in scenes that wasn't there in the first place.

Secure Writer

EncryptPad is a handy text editor with encryption

Jan 03, 2019

EncryptPad provides symmetric text encryption directly from the editor. You can also use EncryptPad to encrypt binary data.

Cloud Security

Three encryption tools for the cloud

Apr 15, 2019

Safeguard your cloud storage with some preemptive file encryption. Here are three open source tools that get the job done in Linux.

Close to Your Heart

Build your own pulsemeter

Jan 03, 2019

A pulsemeter built with a Raspberry Pi, a digital-to-analog converter, and an optical sensor monitors your heart rate just as well as many far more expensive medical devices.

Monitor Your Network with Zabbix

The Eye of Sauron

Apr 12, 2019

Use Zabbix to keep tabs on all your machines across the network.

An Open Source Audio Editor and Recorder


Apr 02, 2019

If you are looking for an audio editing and creation tool, Audacity lets you create and edit professional audio files at no cost, all while using your existing hardware.


Real-time performance monitoring with Netdata

Feb 22, 2019

What cannot be measured cannot be improved. Netdata lets you measure almost anything – at least as long as it's about the performance and health of a Linux computer.

Using Sudo Options to Enhance Security

Sudo Security Voodoo

Apr 01, 2019

By taking the time to learn sudo's many options, you can make your system more secure with a little creativity.

Issue 237/2020

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