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Retrieving EMC and Qlogic Fiber WWN on RHEL

Introduction So you need to add storage to a RHEL (RedHat Enterprise Linux) server and the storage guy has asked you for the WWN.  The question next is how do I get the WWN off my server? So how do we get QLogic and EMC WWN’s on RHEL. It is a lot easier than one might think. Let’s move forward and get the WWN information we need! Qlogic First identify your installed or recognized, this is... read more

How To Install VirtualBox 5 Additions on CentOS 7

Introduction In this post we will discuss how to get VirtualBox 5 guest additions installed on CentOS 7. Installing VirtualBox Additions First make sure updates have been applied and if there was a kernel update that the system was rebooted. Do this the typical way by running the command. $ sudo yum -y update Now that we have the latest updates and have rebooted we need to install epel to allow us to get... read more

How To Create a CentOS Repository with mrepo

If you are a shop of any size and are building and maintaining CentOS servers, you know the need to maintain a repository with extras, updates and such. In this post we will cover how to build a repository on your network for building and maintaining CentOS. Install mrepo sudo yum -y install mrepo Edit /etc/mrepo.conf and add set the directories Create mrepo config file in /etc/mrepo.conf.d ###... read more

How To Install ownCloud 5 on CentOS 6

So you want to be part of the “Cloud”, how about your own personal cloud? Enter ownCloud, ownCloud is a free Open Source software, used to setup your own personal cloud for file sharing, Calender, Contact and Bookmark sharing and Personal Audio/Video Streaming. It is pretty easy to setup and manage. In this post I will be using CentOS 6.3 minimal server to setup ownCloud. Install the necessary... read more

Monitoring Filesystem Events with incron on RHEL 6

Have you ever wanted to know when a file is changed or accessed by the system or user? There is a program that does just that task called Inotify cron (incron). Incron is for monitoring filesystem activity. It consists of a daemon and a table manipulator. You can use it a similar way as the regular cron. The difference is that the inotify cron handles filesystem events rather than time periods incron... read more

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