Category Security

How to keep a perfect Linux installation

how to keep perfect linux installation

I reinstall Linux frequently but in order to keep a new install longer, I deploy a simple method to hang on to that perfect install. Linux security is a huge topic and if you are an insider then you already…

Endeavour OS UFW Firewall Configuration

endeavour os firewall ufw configuration

Right after I install Endeavour OS, I setup and configure the firewall. To install UFW (uncomplicated firewall), I issue: sudo pacman -S ufw Once installed, I start the firewall by opening the terminal and issuing:sudo systemctl start ufwsudo systemctl enable…

domainregistrationcorp spam

domainregistrationcorp spam filter

Until recently, I’ve received a steady stream of emails from domainregistrationcorp regarding the termination of a domain name I own. Specifically, they request immediate payment or my domain will be cancelled within 24 hours. Here is a copy of one…

How to remove malicious code from PDF files

How to remove malicious code from PDF files

WARNING! Do not open an eBook without making sure that the PDF file is clean.This article focuses on the danger of free PDF files which float around the internet. I’ll describe in detail how I check for malicious content which…

Encryption Part 3 Passwords

encryption part 3 secure passwords

This post completes my mini series and focuses on passwords. Very long passwords and how to memorize them with ease The key to success is being organized and to plan. We all have many passwords to remember and I do…

Encryption Part 2 GPG and 7zip

encryption part 2 gpg and 7zip

The second of the three part series explains how to encrypt your data. I will explain two methods which I use a lot. The first one is 7 zip which is a free program that works on Windows, Linux and…