Measuring VM Traffic on CloudSigma

How to measure the traffic on your VM with the CloudSigma API and RRDtool

Learn how to measure the traffic of your virtual machines in CloudSigma using the simple instructions below, to obtain, store and graph the traffic from our different network interfaces. To obtain the statistics of each interface we can make use of the CloudSigma API and a simple script that will store the data of each network interface. The database we …

Simple Server Creation

CloudSigma How To Series: Simple Server Creation

This is the first in a series of brief how-to tutorials. The series will cover some of the most used features of our cloud. We hope you find them useful in getting from A to B with your cloud computing at CloudSigma. CloudSigma offers two approaches to server creation – a quick and simple creation process and a detailed, flexible …

How to Cgroups

HowTo: CGroups

Well, as you know, GNU & Linux are awesome. Why? Because we have Control Groups (CGroups)! In this post you’ll learn how to: Protect critical system processes for both memory and CPU. A walkthrough video implementing cgroups on a live running server Set up an example implementation of CGroups or SystemD slices. Keeping Everything under Control You can use CGroups …

Manage Docker with Cgroups

Manage Docker resources with Cgroups

Last month I spoke at ApacheCon about Cgroups. It appears as very few Linux users (including yours truly until not too long ago) are familiar with Cgroups and their power. This is a pity, because Cgroups are very powerful, and allows you to allocate resources on your servers in a far more granular fashion than any other tool available in …

ApacheCon

Docker, Cgroups & More from ApacheCon 2015

Earlier this month, I spoke at ApacheCon North America in Austin, Texas. Being an open source software user for many years, I have a lot of respect for the Apache Software Foundation. As such, it was an honor to be invited and to give back to the community. At ApacheCon, the days were filled with presentations on topics ranging from …

CoreOS

CoreOS is now available on CloudSigma!

What CoreOS is in their own words: CoreOS is a new Linux distribution. The creators improved it, so that it can provide features needed to run modern infrastructure stacks. The strategies and architectures that influence it allow companies like Google, Facebook and Twitter to run their services at scale with high resilience. CoreOS is arguably one of the most talked-about …

cgroupspy featured image

cgroupspy and why is it cool

In order to meet with the performance needs of our customers, while maintaining a stable infrastructure, CloudSigma needs a way to control the resource usage of each virtual machine. We cannot allow for people to use more resources than they have specified because that will affect every customer’s performance. The first step in achieving this was to implement a smart …