As I’m learning Kubernetes at the moment, the best way to learn and practice is to write down as the articles so I can review it in the future. the ‘learn Kubernetes in 5 mins every day is focus on Kubernetes concepts and administration. We start with a series of lectures on various topics in […]
Author: anson
Set up VPN server with Docker in 5 mins on Azure
In this post, I’ll set up and run a temporary VPN server using docker on the Azure, it’s an L2TP type VPN, I’m not gonna recommend using this type VPN for your production environment or at work as it is unsafe. Info:CentOS: 7.5 x64Docker: 19.03.5 Install Docker Set up the repository install docker-community start docker […]
Certificate renewal with PowerShell in Exchange 2013
One customer requested us to renew their certificate because they received a pop-up message when opening Outlook client. Their Certificates Renewal List: mail certificate is going to expire in 7 days Microsoft Exchange Auth Certificate has expired for a couple of days. Root CA certificate is going to expire in 7 days. It’s a simple […]
Export users from AD
There are many ways to export users from active directory, I think the easiest way is with PowerShell. With PowerShell ‘ Get-ADuser‘ command, we can export many user’s information. Export user’s name, Last Login date, last time set password date and save as csv file. When exporting users under specific OU, we need to add […]
Dict object has no attribute has_key in Django
I’ve got this error when getting remote IP in Django. code: This happened when using ‘request’ to get remote IP in Django 2.0 because “has_key” has been removed in Python 3. The correct code:
Linux Troubleshooting tool – VMStat
Today we’re here to talk about vmstat which is performance tool for Unix/Linux operating system. the version in this article is for CentOS-based. vmstate is used by system administrators and anyone who is interested in the overall health of the system. it’s a coarse view. To run it, you run vmstat in the command line, […]
MySQL – Introduction
What is a Database? A database is a separate application that stores a collection of data. Each database has one or more distinct APIs for creating, accessing, managing, searching and replicating the data it holds. Other kinds of data stores can also be used, such as files on the file system or large hash tables […]