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If you CentOS network configuration is set at DHCP and you want to change your network configuration to a static IP address, then read on....
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Icinga, an open source monitoring tool, monitors networks and its resource, can send notifications, and generate reports. Icinga is scalable and can monitor small to large network environments. Icinga is a fork of Nagios and is backward compatible. Nagios configurations, plugins and addons can be used with Icinga. Icinga has retained the existing features of Nagios, however, is actively maintained with additional functionality, featurews, and patches as requested by the user community....
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Where once things had worked, a user had upgraded from a Microsoft Windows XP to Microsoft Windows 7 operating system. In doing so, the Webtrends Report Exporter that was prepackaged with a slightly older version of Webtrends failed to install. Once the installation issues seemed to iron out after much trial and error with permissions and with running as administrator on each of the various batch files that were calls from within other batch files, nothing worked. Until a quick search on the internet....
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I needed a list of files from a folder with only filesize. The first choice of commands was the DIR command, however, there is no command line switch or combination that will allow for this type of output. I didn't want to have to install any third party application or Microsoft extras to get the desired result. Since, I am not the first to be faced with this situation, a quick Internet search found the command line....
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Recently discovered that some servers were not reporting the correct time. I originally decided to use a freeware utility called tSync, an Internet and network time synchronization utility. While this little utility works great, I wanted something a little cleaner. Microsoft offers a couple of ways to resync the times....
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Scooter Software has a fantastic program called Beyond Compare. It is available in both Windows and Linux. Having used this in Windows, I wanted to give it a shot in Linux. All the instructions are available on the vendor's website; however, after reading through them, here is a simplified set of instructions....
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Only having terminal access to a server running CentOS 5.7, I had to determine if the server was actually a physical or virtual machine. There are a few methods to do this, however, here are a couple of the easier methods....
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To check for the version that CentOS and RedHat Enterprise Linux ("RHEL") there are a couple of commands that are useful and will provide the desired results....
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