Tuning Linux systems for performance is an essential task for any system administrator, but it also is one of the least documented. Without a hard-won understanding, performance tuning often can seem ...

Performance is a cornerstone of effective system administration, particularly in the Linux ecosystem. Whether you're managing a high-traffic web server, a data-intensive application, or a development ...

The sar command can provide detailed system metrics on just about every aspect of system performance. You can query it on as as-needed basis or set it up to provide daily reports. Sar is a system ...

System performance is key to getting the most out of Linux. There are several command line and GUI tools to make this task easy. Here you'll learn about htop, glances, Mission Center, and more apps.

Pythian, already a Platinum member of the OPN, has met a series of demanding technical and business requirements to earn the specializations in Oracle Database 11g, Real Application Clusters (RAC), ...

Linux is the most flexible and customizable operating system on the planet. That customizability starts deep within the heart of the Linux kernel and the file system. A computer file system is a ...

Linux Cockpit is a web-based interface that provides graphical administrative access to a system. Here's a look at what it allows you to control. If you haven’t tried the relatively new Linux Cockpit, ...

Included in this week’s Tech Focus newsletter is the blog on “Learning Linux for embedded systems,“ by Michael Eager, a new contributor to Embedded.com. Complementing it in the newsletter are a range ...

In today's open source roundup: How Netflix checks Linux performance issues. Plus: How to install Unity 8 on Ubuntu 16.04 LTS and Ubuntu 15.10. And Google ends support for Chrome on 32-bit Linux, ...