Apr 16, 2012
Rebuild the base performance counters Windows 2003
Recently ran into issues with some Windows 2003 servers showing corruption in the performance counters and causing issues with monitoring. The correction was pretty easy to correct. Extensible counter information is stored in both of the following locations: • The following registry key: HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\Current Version\Perflib\009 • The... read more
Apr 14, 2012
Disable ipv6 on CentOS 6
With several late CentOS 6.2 systems being built on the network I have been running into network disconnect and performance issues being caused by IPV6. Since I am currently not using it on my network I decided to disable it. Here is what I found from several different resources on the Internet. We can modify /etc/sysctl.conf: net.ipv6.conf.all.disable_ipv6 = 1 net.ipv6.conf.default.disable_ipv6 = 1... read more
Apr 14, 2012
Multiple Nagios Instances on a Single Server
In this post I will cover how to run Multiple Nagios Instances on a Single Server. This will take a single installation of Nagios and allow you to run separate instances as you would to separate out different environments, such as production, development, certification, etc…. It allows for flexibility of configurations and allows Nagios to run faster for checks and execution. This installation... read more
Apr 11, 2012
Adding Additional Disks RHEL 6
Ever wondered how to add an additional disk to RHEL 5/6 and create a new LVM(Logical Volume Manager). In this post I will try to show how to do just that. This is assuming a second disk was added (/dev/sdb) to the system. If the disk is different (dev/sdc…) just make the changes to the command. # fdisk /dev/sdb Create the Physical Volume # pvcreate /dev/sdb Physical volume “/dev/sdb”... read more
Apr 7, 2012
Installing and updating ESXi 5 VMtools with OSP
Recently I had the pleasure of building n ESXi Hypervisor 5 server. Server sprawl has taken over and the time has come to consolidate. The first VM’s to create are my web and database servers. After the build I was needing to install VMtools to get the full functionality on my CentOS / SL / RHEL 6 servers. There are several ways to do this but a way to add a repo and have it install updates when I... read more
