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Category Archives: Tutorials

Poor Man’s Nomad Cluster in Amazon Web Services

Posted on March 12, 2020 by Stan Borbat | Posted in DevOps, Tutorials | Tagged aws container orchestration docker infrastructure nomad terraform

Build a Nomad Cluster in AWS for $40 and over-engineer it to perfection.

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Cloud Hosting (VPS) Provider Performance Comparison

Posted on December 10, 2013 by Stan Borbat | Posted in DevOps, Reviews, Tutorials | Tagged Automation Benchmark Cloud DevOps Puppet WordPress

A performance comparison of a few major virtual server providers (Amazon, Rackspace, Softlayer and DigitalOcean) as it relates to hosting of WordPress and other PHP based websites.

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Skinnybox Introduction: Thin Provisioning of Linux VMs

Posted on March 10, 2013 by Stan Borbat | Posted in DevOps | Tagged Citrix Cloud DevOps Installation Ubuntu XenServer

A technique for file system level thin provisioning of virtual machines implemented with XenServer. A master operating system disk image is shared across multiple VMs.

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Fix: The attempt to mark the VDI as hidden failed

Posted on December 12, 2012 by Stan Borbat | Posted in Tutorials, Workarounds | Tagged Citrix Cloud XenServer

VDI delete command will fail with an error message "The attempt to mark the VDI as hidden failed". This is usually a result of corrupt metadata associated with the VDI.

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IPv6 on Ubuntu Through a Hurricane Electric Tunnel

Posted on March 26, 2012 by Stan Borbat | Posted in Tutorials | Tagged IPv6 Linux Ubuntu World IPv6 Day

It has been almost a year since the World IPv6 Day of 2011 when Google, Facebook, Yahoo, Akamai and many other major and minor providers enabled connectivity to their servers through IPv6...

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Automating Ubuntu Deployments in XenServer

Posted on March 16, 2012 by Stan Borbat | Posted in Automation, Tutorials | Tagged Automation Citrix Cloud Installation Linux Preseed Puppet Ubuntu XenServer

How to automate the provisioning of Ubuntu 10.04 LTS virtualizations in Citrix XenServer. The automation allows a fully automated installation of Ubuntu up to the point where puppet can take over...

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