In many situations we would like to give users access to a particular command without exposing too much access due to security concerns. One particular example will be the docker command. After a docker daemon has been installed, one can invoke the command either as a root or as a Read more…
Download the IPMI utilities from supermicro website. Set the fan mode to full speed before updating the fan speed. ./SMCIPMITool <ip> <user> <password> ipmi raw 30 45 1 1 Setting the fans under cpu zone to be spinning at 25%. ./SMCIPMITool <ip> <user> <password> ipmi raw 30 70 66 1 Read more…
Windows enterprise edition is pretty much the default for all corporate machines running Windows, and there are reasons to it. The enterprise edition allows the company to have a greater control of the device which it was installed on. Thus improving the security of the corporate network and resources. For Read more…
Introduction Docker has become one of the most popular tool in the recent years. This is because it allows developer to deploy their application to any machine with the same setup. Think of it like running a Java program on any machine with JVM installed. Due to the popularity, it Read more…
Due to the recent change of job, I had to set up all the DevOps infrastructure from scratch which includes Gitlab, Docker, Jenkins and various other tools. As I have been a software engineer most of the time for the last 5 years plus, DevOps is really something that I Read more…
Due to the pandemic, this year has been pretty exciting for the financial market. NASDAQ is the first to rebound and broke the All-Time-High in June. Since then it has been going higher and higher. With such a bullish market, I have decided to start trading options to maximize my Read more…
If you are someone who likes to use IDE/Gradle/Ant to run your JUnit tests, you probably will not be interested in using commandline. However, I am someone who really enjoys using the rudimentary tools to get the job done(I use Vim and Tmux for work). It is easy to find Read more…
It has been a while since I purchased my Raspberry Pi 4. There was not much success in my previous attempts in getting rancher to run. The reason is due to incompatibility between Raspbian and Rancher. With the release of Ubuntu 20.04 LTS last month, I decided to try to Read more…
The very first version of raspberry pi was introduced back in 2012. Since then, it has gone through 3 iterations of improvements. Over the years, it has grown much in popularity to be used as a cheap computing device for educational purpose. My very first raspberry pi was the version Read more…
Due to the ease of creating Virtual Machines on FreeNAS, many users will create a VM or two on their FreeNAS machine. In some rare occassions, users may see that their VMs getting stuck in the UEFI Shell like the screenshot below. There is no need to panic, just follow Read more…