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Monitoring, alerting, and trending with the TICK Stack
04.10.2018
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Lead Image © Krishna Kumar-Sivaraman, 123RF.com
Anyone who needs to monitor large IT setups (e.g., a cloud) faces a challenge: Nodes come and go, and not every departure is a failure that needs to trigger an alert. In addition to monitoring
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Vagrant, Serf, Packer, and Consul create and manage development environments
21.08.2014
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Lead Image © 36clicks, 123RF.com
the "Overlap" box). The tool monitors the computing nodes in a cluster. Overlap The functions of the four tools overlap at times. For example, Consul and Serf can detect failures and initiate
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Professional virtualization with RHV4
14.08.2017
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Lead Image © Steve Cukrov, 123RF.com
-house JBoss Middleware as an application server, and the hypervisor nodes based either on Red Hat Virtualization Host (RHVH) or Red Hat Enterprise Linux (RHEL). Add to this, components such as the Simple
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Build your own cloud with antMan
04.04.2023
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Photo by Jorge Coromina on Unsplash
distribution on which the product is based. Rather, it is the entire product and the software for managing the physical nodes, which is the core of the product, so to speak. As described here, a Linux
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The advantages of configuration management tools
08.10.2015
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Lead Image © Galina Peshkova, 123RF.com
selection process takes place automatically, and a new node takes over the regiment. An Etcd cluster that is already running acts as a discovery service for new instances that join the cluster. Instances
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OpenStack Sahara brings Hadoop as a Service
03.12.2015
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Lead Image © RFsole, Fotolia.com
divides Hadoop installations into nodes on which specific services run. The master operates the Sahara name node, which acts as a metadata server. The core workers contain data and run a task tracker, which
15%
Using loop directives to improve performance
05.02.2019
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Lead Image © orson, 123RF.com
a large number of nodes. Programming techniques are evolving to accommodate petascale systems while getting ready for exascale. Meanwhile, a key programming technique called MPI+X refers to using
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Automated OpenStack instance configuration with cloud-init and metadata service
05.02.2019
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Lead Image © jeka81, 123RF.com
the metadata and cloud-init duo comes in. Metadata Service The OpenStack metadata service usually runs on a controller node in a multinode environment and is accessible by the instances running on the compute
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Modularize websites with Web Components
09.04.2019
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Lead Image © Andrey Prokhorov, fotolia.com
of the HTML document in Listing 1 loads the webcomponentsjs polyfills via a