Category Archives: Security

How to Install Let’sEncrypt to work with Nginx HTTPS on Ubuntu Server

Let’s Encrypt is a free, automated, and open certificate authority (CA), run for the public’s benefit. Let’s Encrypt is a service provided by the Internet Security Research Group (ISRG). The key principles behind Let’s Encrypt are: ◾ Free: Anyone who owns a domain name can use Let’s Encrypt to obtain a trusted certificate at zero cost.… Read More »

How to install ClamAV on Ubuntu Server

What is ClamAV®? ClamAV® is an open source antivirus engine for detecting trojans, viruses, malware & other malicious threats. ClamAV® can be easily installed via Terminal on your ubuntu Server. root@gs2:~# apt-get install clamav Once ClamAV® is installed, the first thing you have do is to update the virus definitions with: root@gs2:~# freshclam ClamAV update… Read More »

Business Continuity Architecture

Every business is exposed to risk of various kinds. Disruptions such as hardware failure, system corruption could play havoc in your business operations. A well thought Business Continuity Architecture should offer immediate recoverability in the event of loss of critical servers and data. Get business operations back up and running within short time rather than… Read More »

Attix5 Backup Health Check

Attix5 is an online disk-to-disk backup solution. Attix5 is one of the most effective backup solution and oldest managed online backup companies, powering SMBs and enterprises. Performing a Health Check enables you to highlight possible issues. The backup Client Health Check provides information to pre-emptively highlight possible issues (e.g. free disk space or file/folder access… Read More »

Standard Bank Account Statement – Internet Banking Cyber Crime Scams

Protecting your computer against hacking and virus attacks is your responsibility. Don’t be a victim of cyber crime or less you will lose your hard earned money.  Cyber criminals are really stepping up their game and are using advanced social engineering methods. I’m talking about high-level digital strategies to siphon off your bank account.  With so many people using… Read More »

ABSA Cyber Online Scams – Unauthorized login on your account

Don’t be a victim: This is another type of Cyber Online Scams doing the rounds you should definitely watch out for. This time the Cyber Criminals are targeting innocent ABSA clients. Below is an example of an email I received: Subject line: Unauthorized login on your account. NB: If you hover your mouse cursor over… Read More »

Verification of replica failed. The forest functional level is Windows 2000.

•Symptom – The client was unable to promote the Windows 2012 server named “pta_t30” as an additional domain controller in their windows 2003 domain t6.local. •Cause – We were getting the error: Verification of replica failed. The forest functional level is Windows 2000. To install a Windows Server 2012 domain or domain controller, the forest functional level… Read More »