Category: System Administration
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Disable 70-persistent-net.rules generation on CentOS 6 VM
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on
If you’re like me you probably have an environment that is running on some virtual platform and like everyone else you have built a template to spin Linux systems. One…
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Work Blog: Managing Your Linux Deployments with Spacewalk
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on
I have been using Spacewalk for a while now and really like a lot of the built-in functionality. I have been using it to build out and manage a lot…
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What does Facebook consider an average day's worth of data?
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on
Well according to this article from gigaom.com. The average day looks something like this. 2.5 billion content items shared per day (status updates + wall posts + photos + videos…
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CentOS 6.4 service virt-who won't start – work around
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on
Here is the problem. [root@bob ~]# service virt-who start Démarrage de virt-who : Traceback (most recent call last): File “/usr/share/virt-who/virt-who.py”, line 33, in <module> from subscriptionmanager import SubscriptionManager, SubscriptionManagerError File…
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Hadoop to Hadoop Copy
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on
Here recently I need to copy the content of one hadoop cluster to another for geo redundancy. Thankfully instead of have to write something to do it, Hadoop supply a…
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Amazon Relational Database Service (Amazon RDS)
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on
It appears that Amazon is introducing a new service specifically targeted at Relational Databases helpful hints. You can choose from MySQL, Oracle, and Microsoft Sql Server. Amazon Relational Database Service (Amazon RDS) is a web service…
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Using Iozone for Filesystem Benchmarking
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on
If you have been around computer systems long enough everyone knows how import disk performance is, espeacially with database systems. There’s the standard htparm -tT and dd test the everyone…
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Install Git From Source On Linux
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on
If you are like me and want to install git-core core from source instead of one to the many binary packages out or you just have a distro that does…
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Using CURL to manage Tomcat
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on
The other day I and a few of my colleges were talking about a easy way to deploy and undeploy war files from the command line like you could through…
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Simple HTTP Server with Python
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on
Ever needed a quick web server to share something with a Windows user from you Linux box. Python has really easy to use embedded HTTP Server. Just try the following.shell>…