Domains and DNS
What is DNS and How Does it Work?
What is a DNS? A domain name system (DNS) is a naming database. In this database, internet domain names are identified and translated into…
20 November 2023 11 min read
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SSH Keys: Choosing RSA or Ed25519
SSH, or Secure Shell keys have a critical role in modern authentication and encryption when establishing secure connections. By utilising advanced mathematical functions SSH…
13 November 2023 4 min read
Guides and How Tos
How to Create a New Sudo User in Ubuntu
Adding a new user in Ubuntu 22 is very easy a should take around 1 to 2 minutes. User accounts can only be create…
6 November 2023 2 min read
Guides and How Tos
How to Rename a Domain Controller using netdom
Preparation Renaming your DC using netdom Step 1: Open Command Prompt Open command prompt as a domain administrator by pressing Windows Key Step 2:…
30 October 2023 3 min read
Domains and DNS
Understanding SSL Certificates
SSL certificates play an important role in securing the internet. They protect sensitive information, build user trust, and even contribute positively towards your website’s…
23 October 2023 4 min read
Guides and How Tos
How to Remove phpList Branding
If you’ve just installed or are looking to use phpList in production then you will probably want to remove or replace the “Powered by”…
15 October 2023 2 min read
Domains and DNS
What are DNS Records?
DNS (Domain Name System) records are the entries in a DNS database that map domain names to IP addresses and other information about a…
1 March 2023 4 min read
CentOS 7
How to Update CentOS 7
CentOS 7 is one of the most popular Linux distribution used in a large amount of web servers around the world. It is critical…
1 February 2023 2 min read
Domains and DNS
What is DMARC? Understanding DMARC Records
Domain-based Message Authentication, Reporting & Conformance, or DMARC for shorts, is a protocol that uses SPF (Sender Policy Framework) and DKIM (DomainKey Identified Mail)…
1 November 2022 3 min read
Domains and DNS
SPF Records Explained
What is SPF? Sender Policy Framework (SPF) allows domain owners to specify legitimate email origins in an attempt to combat spam and phishing emails.…
1 June 2022 3 min read
Domains and DNS
How to Use DKIM to Prevent Domain Spoofing
What is DKIM? DKIM (DomainKeys Identified Mail) is a cryptographic technology that senders can use to sign their messages with. DKIM allows the receiver…
1 May 2022 3 min read
Domains and DNS
DKIM Records Explained
What is DKIM? DomainKeys Identified Mail (DKIM) is an authentication standard used to prevent email spoofing. DKIM attempts to prevent the spoofing of a domain that’s…
1 April 2022 2 min read