today's howtos

posted by Roy Schestowitz on Feb 15, 2023

• Configuring Sendmail through the External SMTP relay

  Sendmail is an open-source mail transfer agent (MTA) that provides an efficient way to manage and transmit emails. However, for organizations that need to send a high volume of emails, relying solely on Sendmail may not be sufficient. This is where relaying emails through an external SMTP server can be helpful.

• Getting information about MySQL databases and tables

  MySQL is a widely used database management system for managing relational databases. It is an open-source database management system, which means it is free to use and has a large community of users that contribute to its development.

• MySQL Events

  Introduction MySQL is a popular open-source relational database management system that is used by many organizations to store and manage their data. One of the most powerful features of MySQL is the ability to schedule tasks to be executed automatically, known as MySQL events.

• MySQL Views

  If you're working with a large database, you might have realized that it can get overwhelming to handle all the information stored in it. That’s where MySQL Views come in handy. A view is a virtual table that is created from a SELECT statement.

• pgrep Command Examples

  Want to look for a process and its details? The pgrep command helps you with that. Here's how to use it.

• MySQL Triggers

  Introduction Databases are crucial to storing and retrieving data. They are essential for managing and organizing data for businesses, organizations, and individuals.

• MySQL Functions

  MySQL is a widely used open-source relational database management system. It provides a vast array of functions that can perform various operations on the data stored in the database.

• Peter Czanik: Syslog-ng 101, part 7: Networking

  This is the seventh part of my syslog-ng tutorial. Last time, we learned about syslog-ng destinations and the log path. Today, we learn about syslog-ng network logging. At the end of the session, we will send test messages to a syslog-ng network source.

• Our current plague of revolving .top and .click spam email domains

  Email spam is somewhat like the weather, and much like the weather I don't talk about it much any more. However, every so often something unusually unpleasant happens (in both of them). Our current irritation in spam weather is what I suspect is one particular spammer that operates using a rapidly changing flux of spam domains in .top, .click, and on some days .us, using a distinctive (but not really machine matchable) pattern of tagged envelope senders.