Upgrade to the new version of Certbot Zimbra. This is the content of this article. If you’ve read the previous article that I wrote about how to use Certbot Zimbra to register Let’s Encrypt SSL for the new domain automatically. Tonight, I accidentally discovered that the script is no longer working. Certbot Zimbra 0.7.10 What’s

vCenter Server Appliance 6.7 startup failed after reboot. I have encountered this error today. If you also encounter the error of not being able to run VCSA after rebooting it, hopefully this article is helpful for you. Operating environment I use a Dell R620 physical server and install VMware ESXi 6.7U3. Next, I used a

Let’s Encrypt renew error could not bind to IPv4 or IPv6. If you encounter this error when renewing Let’s Encrypt ssl certificate, maybe this post will help you. This is also an accidental error I encountered when I supported renew for a client server. And of course, the initial Let’s Encrypt installation was not done

Set up Let’s Encrypt Certbot auto renew. This article will guide you to do this. Let’s Encrypt in the past few years is no stranger to website or system administrators. It comes with the Certbot tool, it is very useful and everyone knows that you must use Certbot to renew SSL certificates every 3 months.

How to install Supervisor and manage process in Ubuntu 18? This article, I will guide you to use a tool called Supervisor. This tool allows you to manage processes in Linux. Back in my previous article on MkDocs, you can see that when we run the mkdocs serve command, the process only works at the

How to install mkdocs in Ubuntu server 18.04? MkDocs is a simple tool for building project documents. It uses markdown-style source documents and builds them into HTML documents. In this article, I will not guide you how to write markdown documents. I will guide you to install mkdocs in Ubuntu 18.04 and use it to

AWS extend GPT root partition on Linux. Today I will show you how to extend the Linux root partition with the GPT table. My case On AWS, I use an AMI RedHat 7 to serve a software. This AMI version assigns an NVME disk for the root partition (/) and it does not allow me

snx: error while loading shared libraries: libX11.so.6: cannot open shared object file: No such file or directory. This is an error I encountered when installing Check Point VPN client on Linux Mint 19. This article, I will show you how to fix this error. First, I have successfully installed Check Point VPN client on Linux

Git clone repository to your computer. After you have created the repository, how do you work with it now? This article, I will guide you to use Git to clone the repository to your computer. You need to install Git on your computer to use it. Recommended Reading: How to install GIT version control system? Get

Create the first repository on Gitlab. In this article, I will guide you to create your first project. This will be where you store the code for your first project. Register for a free account on Gitlab First, you need to access this link and register for a free account. For personal use, store individual