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several more virtual machines or assign more memory to the existing machines. Luckily, KVM became an official component of all Linux kernels as of version 2.6.20. In other words, you only need to install

or Active Directory-based authentication. Icinga can handle IPv6 – which legacy Nagios cannot. Icinga supports more than 20 languages and has many other benefits to offer. Nagios proudly points to its long

the biggest rentable cloud today: the Amazon Web Service. On the basis of this extremely mature technology, Citrix launched version 5.6 of its XenServer product family in May 2010. XenServer, the product built ... Version 5.6 of Citrix XenServer is a feature-stripped version of the virtualization product and is available free, in addition to the commercial Advanced, Enterprise, and Platinum editions.

to admit that Linux didn't offer this feature. But in 2006, Rohit Seth started to develop this functionality, and as of kernel 2.6.24, administrators can use it. Originally referred to as "process containers ... 6

version (1.3.0) dates back to January of this year, whereas the current version (1.3.6) was released at the end of May. The associated Windows client is available in the form of an installer file for 32

it a reliable alternative to the commercial Red Hat Enterprise Linux (RHEL) distribution. That all changed in 2020 when Red Hat replaced CentOS 8 with CentOS Stream and announced that CentOS 7 would reach end

-based (Streaming Text Oriented Messaging Protocol) server implementation, for example, ActiveMQ [5] and RabbitMQ [6]. The administrator generates arbitrary job chains on a management system that are then sent

SQL. You can just upload your web application and enjoy the ride. Keep in mind that Google imposes limits to this freefest. Their hospitality is limited to 500MB of disk space and traffic volume of 1GB per

with a similar noarch RPM or from source. Be sure to watch for the RPM dependencies – in particular, the tool called ColPlot [5] uses Apache (web server) and gnuplot [6] to plot the results. To start, I'll assume

were run on a virtual system (using ESX as the hypervisor) with fixed reservations for CPU and memory. To be more precise, I used a virtual CPU running at 1.5GHz and with 512MB of RAM in the virtual