Toastmaters International world champion of public speaking Dananjaya Hettiarachchi reveals how he prepares for his award-winning presentations. “If your presentation title tells the audience what you are going to talk about, you have a bigger chance of losing the audience. But if your title creates curiosity, you have won the audience over.” – Dananjaya Hettiarachchi […]
I recently received my VCP6-DCV Certification from VMware by Passing the 2V0-621 Proctored Exam with Pearson VUE. The Journey For many years I have used VMware products. I distinctly recall getting my hands on VMware Workstation back in 2001, and it was truly an amazing tool. I could emulate Windows 3.1 and Windows 95, QNX, and even a […]
Yes, I am playing (or trying to) with Docker. My first step is to install Docker and get it up and running. So far I am confident that I have all the prerequisites, however Docker fails to properly start with the following error: Docker hv-sock proxy (vsudd) is not reachable at Docker.Backend.ContainerEngine.Linux.ConnectToVsud(TaskCompletionSource`1 vmId) in C:\gopath\src\github.com\docker\pinata\win\src\Docker.Backend\ContainerEngine\Linux.cs:line […]
In this short write up I will go over steps to demote a Server 2012 domain controller. If you have worked in Active Directory and Windows Domain Administration over the years you may recall that in previous version of Windows Server that you would use the command line tool of ‘DCPROMO’ to promote or demote […]
I’ve recently found myself capturing network traffic to troubleshoot reported issues. To successfully capture packets the use of tcpdump is required. And while you may be familiar with using this tool, the use is slightly different on Checkpoint devices. The devices in this reference is Checkpoint R77.30 and R80 devices. To capture the correct network […]
The following tech short will provide a list of commands used to enable debugging in Checkpoint’s R77.30 Firewall. To start you must SSH into firewall host (or active member). To turn on VPN debug from the expert mode: # vpn debug trunc At this point you want to test your VPN connection and verify that […]