Community Blogs

Linux Block I/O Tracing

Written by Gabriel Krisman Bertazi, Software Engineer at Collabora. Like starting a car with the hood open, sometimes you need to run your program...
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ZTE’s Approach to Digital Transformation with Software-Defined Networking

Editor’s Note: ZTE is a Gold-level sponsor of Open Networking Summit 2017, to be held April 3-6 in Santa Clara, CA. The dawn of new services such as...
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Performance Analysis in Linux

Written by Gabriel Krisman Bertazi, Software Engineer at Collabora. Dynamic profilers are tools to collect data statistics about applications while...
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Algorithm Time Complexity and Big O Notation

  In an age where computing power surrounds us, it’s easy to become wrapped up in the idea that information is processed and delivered like magic...
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How to Secure your LEMP Stack

LEMP stands for Linux, Nginx, MySQL/MariaDB and PHP. It's the most used stack for websites. This tutorial will show you, through examples of bad and...
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Monitoring your Machine with the ELK Stack

This article will describe how to set up a monitoring system for your server using the ELK (Elasticsearch, Logstash and Kibana) Stack. The OS used...
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Asus Tinker Board Review: First Impressions

The Asus Tinker Board is a new ARM-based single-board computer (SBC) which stands out from the crowd. It’s tiny, affordable, with strong performance...
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How To Be a Successful DevOps Engineer

DevOps taking the center stage in the software industry, the job role 'DevOps Engineer' is buzzing around and today, I have some thoughts that can...
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How to Install GlusterFS with a Replicated HA Storage Volume on Ubuntu Linux 16.04 LTS

GlusterFS is a free and open source network distributed storage file system. Network distributed storage file systems are very popular amoung high...
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Stageless Deployment Pipelines: How Containers Change the Way We Build and Test Software

Large web services have long realized the benefits of microservices for scaling both applications and development. Most dev teams are now building...
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