Addressing SSH auto-logout issues often involves configuring two key settings: the TMOUT shell variable and the StopIdleSessionSec setting in /etc/systemd/logind.conf. Each plays a distinct role in session management and inactivity handling. Here is the error we usually get when…
The XLOOKUP function in Excel includes an argument for “match mode,” which is crucial for determining how the function matches the lookup value with values in the lookup array. XLOOKUP(lookup_value, lookup_array, return_array, [if_not_found], [match_mode],[search_mode]) This affects how the function searches…
Excel is one of the most popular spreadsheet software used by millions of people worldwide. It offers a wide range of functions and features that help people in data analysis, manipulation, and management. One of the powerful features of Excel…
In today’s digital age, it is becoming increasingly important to sign electronic documents using electronic signatures instead of traditional handwritten signatures on paper. One challenge that arises is how to convert a paper-based signature into a transparent electronic signature within…
As an Excel user, you have likely encountered the problem of having unwanted spaces within your cell contents. Whether it’s due to importing data from another source, copy-pasting, or simply typing too quickly, it’s important to know how to swiftly…
In Excel, it’s important to make sure that the data we work with is clean and doesn’t contain unnecessary spaces. Blank spaces, especially trailing or leading spaces in cells, can cause issues in data processing and analysis. In tasks like…
The SUMIFS function in Excel is a powerful tool used for adding up values in a range based on multiple criteria. It extends the SUMIF function to allow for multiple criteria. SUMIFS Syntax SUMIFS(sum_range, criteria_range1, criteria1, [criteria_range2, criteria2], …) …
Introduction Linux stands as a bastion of network management, offering a suite of powerful tools and commands for effective network administration. Among these, understanding and managing network interfaces is a crucial skill for any Linux system administrator. Network interfaces in…
Always double check if everything went well, we can do so by using this command which will list each certificate in order with the issuer and subject. cat server.pem intermediate.pem > chain.pem Always double check if everything went well, we…
Understanding the differences between PEM and DER file formats is important for handling SSL/TLS certificates, as they are two of the most commonly used formats for storing these certificates and keys. Here’s an overview of each format: PEM Format DER…
