I’ve been thinking about retiring my old home lab server hardware for some time now. I’ve had two little HP ProLiant ML110 G5 servers for 5+ years. They’ve been good little machines and didn’t cost too much to run, but I can now tell that time has taken its toll on them. They each have a dual core Intel Xeon processor and maxed out at 8GB of RAM. With the management components of products such as vSphere, vCAC, vCD, etc. nowadays requiring at least 8GB per appliance, these machines have basically been made obsolete by the requirements of most enterprise applications today.
I am happy to announce that our new book, VMware vSphere Performance (ISBN: 9781118008195) is now available on Amazon.com and Amazon.co.uk in eBook format on Kindle as well as Paperback. The Paperback version should be in stock at Amazon.com by 12 May 2014.
This title was first announced in 2011 and due to a number of issues and difficulties, the book was delayed several times. However, due to the hard work and dedication of my co-authors, Matt Liebowitz, Christopher Kusek and the editorial team at John Wiley & Sons, Inc. we were able to finally bring the title to print.
On the 20th of February 2014, I published some of my PowerCLI scripts to GitHub in an attempt to have some sort of version control system in place as well as to make the scripts available to the general public. However, my current role doesn't really require that much scripting, and it really is only the occasional script that I have to put together. Therefore, I've only learned a little of PowerShell, basically enough to get the job done. I come from a C/C++ programming background and feel much more comfortable when working on a file with a .c, .cpp or a .h file extension.
I remember struggling to get my head around Apache Webserver file permissions. It's a common issue, and I've seen forum posts this weekend with users struggling to get it right. That s what's prompted this post.
To allow the Apache web server process (httpd) to access and serve files from virtual host directories, httpd requires at least read access. However, with content management systems, httpd might also require write access to virtual host directories.
I've always wanted to find a cost effective way to implement 2-factor authentication. Commercial solutions are expensive, and if you are a small business, you might not want to spend a small fortune on implementing an enterprise solution with hardware tokens. I stumbled across Google Authenticator a while back and started to wonder how it can be used to implement a free 2-factor authentication solution in my lab. I also found a few posts that suggested teaming it up with Freeradius and that's really where this post started.
After updating my View environment to version 5.2, I noticed that my PowerCLI scripts that I run on the View Connection Server keep failing. After looking into the issue I found that each script execution fails when trying to load the snap-in for View PowerCLI into PowerShell with the following error:
"Add-PSSnapin : Cannot load Windows PowerShell snap-in VMware.View.Broker because of the following error: The Windows PowerShell snap-in module C:\Program Files\VMware\VMware View\Server\bin\PowershellServicesCmdlets.dll does not required Windows PowerShell snap-in strong name PowershellServiceCmdLets, Version=184.108.40.20615, Culture=neutral, PublicJeyToken=null"
To resolve the issue, the new PowershellServiceCmdlets.dll file installed during the View Connection Server update, needs to be registered with Windows PowerShell .
To register the file, open a new Windows PowerShell prompt and run the following script:
“C:\Program Files\VMware\VMware View\Server\Extras\PowerShell\add-snapin.ps1”