It’s power in its simplicity, simple to use doesn’t mean it can’t handle complex automation scenario. Think of this, you use some automation tool to deploy some resources, most of the case, you deploy x number of virtual machines (hold your horses container guys, people still deploy virtual machines) , you install and configure some
In PowerShell, you can’t remove an element from an array even if the array object have a method remove, if you try to do it anyway, it will throw a NotSupportedException. The solution is to use ArrayList. Here is the scenario: suppose that you have a list of servers and you would like check something
While working on one of my project about automating SQL AlwaysOn cluster installation and configuration, i come across a requirement where I needed to setup a delegation for the group that contain the Windows Failover cluster computer object, this should be then positioned on an OU so it can manage computer object and be able
There is many ways to backup and restore on Linux machines, but when you have a specific need you must use some sort of scripting, don’t rely on tools because i think this get you stuck in thinking that there no other way to do the thing you need to do. The requirement was that
Well, I successfully took my Red Hat Certificate of Expertise in High Availability Clustering exam (EX436) on 10 November to renew my existing RHCE certification. Through this post I will share my preparation and exam experience. Preparation Nothing can substitute experience on the subject but to be sure to have addressed all the required exam
Here is a simple and effective PowerShell/PowerCLI script to extract all virtual machines that have an iso attached to their cdrom and then disconnect them. I have used a filter on the first part of the script to extract only Linux virtual machines to a text file. The second part of the script, read a
This will be a brief blog post on how to use pam module on CentOS or Red hat 6.x to enforce password complexity and account lockout, the account locking will also be enabled through ssh. You can use passwdqc (which is no longer supported on RHEL7) or cracklib pam module to enforce the password complexity,
The virtual machine console won’t allow you to write some special characters using some keyboard layout. As stated by this VMware KB 2071245. On my French keyboard, I was able to bypass this limitation using this keyboard combination: Alt + Alt Gr. The affected characters can include, but are not limited to: / (slash) \
Performance tunning is one of the most exciting and complicated subject at the same time, it’s complicated because if you change one setting it might affect the others so you must have a deep understanding of the what, how, why and the why not of other aspect of the operating system that you would like
Well I wasn’t expecting this one! For me it’s an honor to be awarded a VMware vExpert 2017. I’m taking it as an encouragement to continue and provide great work for the community, with a busy schedule it’s really hard to keep up with updating the blog. As I think we are in a busy world,