3 Linux commands to list network interfaces
Introduction Linux stands as a bastion of network management, offering a suite of powerful tools and commands for effective network…
How to verify the Order of SSL Certificate Chains Using OpenSSL
Always double check if everything went well, we can do so by using this command which will list each certificate…
Understanding PEM and DER File Formats
Understanding the differences between PEM and DER file formats is important for handling SSL/TLS certificates, as they are two of…
XLOOKUP is not working. Try these 5 Proven Solutions.
Excel’s XLOOKUP function, introduced as a powerful replacement for the traditional VLOOKUP and HLOOKUP functions, offers a more versatile and…
4 ways to Check DNS Server in Ubuntu
Introduction When you browse the internet, you are actually accessing different websites by their domain names. However, your computer doesn’t…
Top 8 Powerful Excel XLOOKUP Examples: Enhance Your Data Analysis Skills
XLOOKUP is a powerful function introduced in Excel to simplify and enhance the capabilities of searching and retrieving data from…
3 easy ways to Alternate row colors in Excel
Alternate row color shading in Excel, also known as “zebra striping,” refers to the practice of formatting rows in a…
What is search path in Postgresql and how to configure it?
In PostgreSQL, the `search_path` is a configuration parameter that determines which schemas the system will check and in what order…
3 ways to fix error ‘bind permission denied’ in Linux
On a Linux system, TCP ports in a reserved range (typically less than 1024) can only be bound by processes…
AI-Assisted Troubleshooting: ChatGPT’s Diagnosis of a Disconnected Server
It was late Thursday evening when I ran into a pesky network issue on our Linux server that had me…