#LL #Blog

Recently, I had issue with my VM which runs Windows 10 for my daily ops work. The issue was, the hosting machine kept crashing due to unknow...

I have a need to review AD groups and local admin groups as part of the identity project -  to identity users who are having privileged a...

I recently need to update my DNS entry which is hosted in GoDaddy. GoDaddy supports API call to update DNS entries, which is amazing!! You...

I am setting up a new Docker Engine running on Ubuntu 18.04 During the Ubuntu installation, I selected Docker Engine as part of the deploym...

When building a Docker image using the Dockerfile, if you need to copy some files from the Docker Engine machine to the Docker Image, you ne...

Just installed a couple of Windows Server Core 2019. To manage them through PowerShell remotely, you need to enable PowerShell Remoting On...

And to close the year 2018, I have been nominated and won the Q4 Individual Award!  It has been a long and challenging year for me :) ...

Passed CISM exam today, yay!!

Got another one CISO Award !!

C:\Windows\CSC folder is the offline files folder. It has special permissions. Without the correct permission, you won't be able to dele...

I am running TeamCity product at home for my development work and would like to publish the site via my Sophos XG Firewall. TeamCity runs on...

My project team has been nominated and won the Q3 Team Award!  I am very proud to be part of the team that made one of the most complic...

It is very easy to retrieve TLS/SSL certificate bound to a web server. You can use any Internet browser to navigate to the site and then you...

I have my box to send email notification for every successful SSH login in the past here . It requires sendmail to be installed, which is t...

To execute PowerShell to Run As a different credential: > $cred = Get-Credential > Start-Process powershell.exe -Credential $cre...

PowerShell is often used to access data from systems or apps that require authentication. Authentication requires username and password. you...

Upgrading my Domain Controllers from 2012 R2 to 2016. I have decided to run the servers without Desktop Experience to save resources. Once...

New year, 2018! New challenges!! Passed the exam and now I am officially AWS Certified Solutions Architect - Associate. Next is Profession...

To renew the certificate that was generated by Let's Encrypt: 1# Go to sslzero.com site 2# Use the same Let's Encrypt Key generat...