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Increasing number of processes allowed to be run by a user on RHEL / CentOS 6

By default, many of the Linux distributions (including RHEL / CentOS 6) limit the number of processes that a user can spawn.  This is mainly done to prevent fork bombs from bringing down a system...

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How to install Graphite on Amazon Linux

For those of you that are not familiar with Graphite, it is an open source and scalable real-time graphing system.  It is very powerful for the simple fact that you can send any kind of metric its way...

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Quick Bash script for investigating reasons for NTP time drift on Linux...

I recently received a help desk ticket asking me to investigate the reason why a large number of RedHat VMware guests were not keeping their clocks in sync.  The Linux administrators were very...

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Installing VMware Tools from VMware’s Repository

Update (10/03/2013):  It has been brought to my attention that you can also learn more about the details of the open source packages for VMware Tools by reading this PDF.  The PDF talks about how to...

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AWS Announces VM import for Linux

If you are a user of Amazon Web Services, you might be very grateful to see their latest announcement…  You can now import Linux VMs from your own environment into EC2.  This will open up more...

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Opsview CLI tool (API wrapper)

Recently, I was tasked with automating various tasks within Opsview (for those of you not familiar with Opsview, it is a Nagios-based enterprise-class monitoring system).  Unfortunately, I found the...

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