computer repairs

Crypto-mining basics

In this article I am going to give you the basic principles to get started mining digital currencies.  First up, my three rules:

  1. Don’t mine Bitcoin (mine other currencies).
  2. Spend as much as you can on the graphics card.

Posted in Computta


Maximising Computta Mining

I have just set up my fifth Computta computer.  That is to say, I now have 5 computers running the Computta program, to mine cryptocurrency at home.  [Edit:  I now have a sixth, and I am trying to give some away to make space.]  So,

Posted in Computta


Crypto-mining is on

I am really excited about Crypto currency mining, and completely in awe of Computta.  Why?  It just makes currency mining really easy.

How?  Well, in this post I just want to cover the 5 most compelling reasons. 

Posted in Computta


Easy to use VPN

A few months ago I decided I needed a VPN and wrote 5 reasons why you need a VPN.  After experimenting with a few services I had more ideas about what I need from a Virtual Private Network and settled on the following two essentials:

  1. The VPN needs to be sold with one licence that covers the whole house.

Posted in Security


Ransomware advice

Ransomware is a virus or other unwanted software that locks your entire computer.  When you have ransomware you can’t do anything including removing the ransomware or recovering your data.  I make a distinction between this type of program and cryptoviruses (even when the cryptovirus demands a ransom),

Posted in Security


Virtual Private Network

5 reasons why you need a Virtual Private Network (VPN)

There are plenty of reasons why a virtual private network is a must have today, but here are a few of the most important ones:

  1. Privacy

Posted in Security


Undeleting files

Undeletion means to take a file that has been erased and restore it.  It is possible because, in simple terms, when a file is deleted it is just removed from the index, but not actually removed.  This is like deleting a library book from the catalogue,

Posted in Maintenance


Cryptovirus advice

What is a cryptovirus?

Cryptoviruses are unwanted programs that lock your files.  Most of them try to take a ransom from you to unlock your data.  I make a distinction between these (cryptoviruses) and ransomware that locks your whole system,

Posted in Viruses


Bootable USB’s

Can you use an external drive to create a separate boot profile on a computer?  Can you use that drive on multiple computers?

This was the question that was put to me recently by a customer.  I’d like to break the question down a bit for simplification.

Posted in Hardware


Choosing Passwords

Password security is a relatively easy concept, if properly explained, but is often misunderstood, because it is often not well explained.  I will try to set a foundation for secure password management here.

Security Objectives

When we create an account on a service and assign a password to it we are setting up a system that will let us have convenient access,

Posted in Uncategorized