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Monitoring disk space is crucial to ensure that servers and systems do not run out of space, which could lead to data loss or system failures. In this article, you will learn how to create a Bash script that monitors disk space and sends an email notification when the available space falls below a specific [...]
Introduction: In the realm of electronic communications, encountering issues related to email sending and receiving is common. One of the most frequent errors is "Relay Access Denied." In this article, we will explain in detail what this error means, why it occurs, and how you can fix it. What is the Relay Access Denied Error? [...]
Converting XML files to CSV is a common task in many web development projects and applications. XML files are widely used to store and transfer structured data, while CSV is a simpler format often used for importing and exporting data to and from spreadsheets and databases. In this article, we will explore how to convert [...]
Introduction The sed command, short for stream editor, is a powerful tool in the Linux world that allows users to perform advanced text editing directly from the command line. Often underappreciated, sed is incredibly useful for processing streams of text in an automated way, making it an essential component for data manipulation in scripts and [...]
"Discover key tasks for mastering Linux server administration, from performance tuning and security management to automation and disaster recovery planning."
Sometimes, in the case of migrations or just to obtain information about the email accounts on our server with Plesk, it can be useful to be able to obtain a list of accounts and their passwords for the sysadmins. Well, the way to perform this action is very simple. First you must access the server [...]
"Relay access denied" is an email error that occurs when an email server refuses to relay a message. This generally happens for one of two reasons: Unauthorized Relay: The sender is trying to use the email server to send an email to an address that is not handled by that server, without proper authentication. Email [...]
DomainKeys Identified Mail (DKIM): A Step-by-Step Guide to Configuration DomainKeys Identified Mail (DKIM) is an email authentication method designed to detect forged emails and prevent these messages from being marked as spam. Configuring DKIM for your domain enhances your email reputation and increases the likelihood of your emails reaching your recipients' inboxes. Here's a step-by-step [...]
