Virtualization, what is
Although the virtualization concept started in the ’60s, the first public release software was in 2001. But what is actually virtualization. Imagine you need to… Read more
How to secure a linux server
Well, as you know 100% security does not exist, so our only chance is to try secure our servers as best as posible. The steps… Read more
How to login via key file in Linux
Accesing a Linux server via a key file is another layer of security that someone should apply on servers. Besides secure, this method is also… Read more
Sudo security issue – CVE-2021-3156
According to CVE there is a major bug found in sudo. Yes, that command we use to elevate rights on Linux systems. CVE states that… Read more
How to disable root login via ssh
Having your root enabled login via ssh is not a good ideea. Root is the is the most privileged account on a Unix system. If… Read more
How to change ssh port on linux server
One of the first things you should do, to set a layer of security to your linux server, is to change the default access port… Read more
Why passwords are important
Working with many persons around the world I see each day that nobody cares about the importance of a password. Are they locking their door… Read more
Local backup software, old but still good.
Even if we are in the Cloud era I know for sure that a lot of small business or home users around the world still… Read more
Learning Management System – Moodle
What is a Learning Management System? It’s an app that can help with learning and development, training programs, induction and much more. The system emerged… Read more
