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Remote Logging With Syslog, Part 4: Log Rotation
As you’ll recall, we’ve been taking a deep dive into the rsyslog tool for logging -- we presented an overview in the first article,...
Systems We Love: How the Past Informs Our Present
It started with a July tweet asking if there was interest and after dozens of responses (and 161 “likes”) it was on. By mid-October,...
Building an Email Server on Ubuntu Linux, Part 3
Welcome back, me hearty Linux syadmins! In part 1 and part 2 of this series, we learned to how to put Postfix and Dovecot...
Containers Are The Future But The Future Isn’t Finished
Containers are a big deal, and they're only going to get bigger. That's my view after attending the latest KubeCon (and CloudNativeCon) in Seattle...
Why Is C Programming Language Continuously Going Down?
C has ruled the programming world for a long period, becoming the base of many operating systems and programs. However, over the course of...
How to Build an Email Server on Ubuntu Linux
In this fast-changing world of containers and microservices it's comforting that some things don't change, such as setting up a Linux email server. It's...
Remote Logging With Syslog, Part 1: The Basics
A problematic scenario, sometimes caused as a result of an application’s logging misconfiguration, is when the /var/log/messages file fills up, meaning that the /var...
Go Beyond Local with Secure Shell
If you have high hopes of becoming a Linux administrator, there are plenty of tools you’ll need to know and know well. Some of...
Kubernetes: An Overview
Kubernetes is an open source container management platform designed to run enterprise-class, cloud-enabled and web-scalable IT workloads. It is built upon the foundation laid...
Linux Foundation Certified Engineer: Alexandre Krispin
The Linux Foundation offers many resources for developers, users, and administrators of Linux systems. One of the most important offerings is its Linux Certification...