May 5, 2012
GIMP 2.8 Released
After a long wait GIMP 2.8 has been released. GIMP has always been my favorite graphics editor and it is free! I have always liked the fact that it is a cross platform app that I can use no matter what OS I have chosen to complete my task at hand. GIMP is the alternative to Photoshop which is great but very expensive product. Long-anticipated features such as layer groups, on-canvas text editing, advanced... read more
Apr 22, 2012
Updating VMWare ESXi Hypervisor 5
Recently I built a VMWare ESXi Hypervisor 5 server for testing and learning purposes. As a good admin you must always patch and VMWare is no exception. First download and install VMWare vCLI from http://www.vmware.com/support/developer/vcli/. You must have an account on VMWare to download the products, the account is free. I will be using vCLI installed on Windows 7 x64 Professional, so the path maybe... 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
