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…
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linux tutorial
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.…
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…
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…
- This entry is part 2 of 2 in the series Install and configure Rocket Chat multi server
Before we go into installing the Rocket Chat system, the first thing to do is to determine the system resource. This article I will talk about sizing the Rocket chat…
- This entry is part 1 of 2 in the series Install and configure Rocket Chat multi server
Have you heard of Rocket Chat? What is it? This article will introduce to you about the Rocket Chat system. Demand from companies Many companies have employees who use Skype…
This article will guide you how to convert SSL nginx cert to iis cert. Nginx cert and IIS cert Just like converting nginx cert to cert tomcat. Nginx uses the…
This article will guide you how to convert SSL Nginx cert to Tomcat cert. Nginx cert and Tomcat cert When you buy SSL cert for Nginx web server (or Apache),…
In this article, I will show you how to use wget download a file and save as a filename different? Wget is a tool that supports downloading files in Linux,…
This article, I will show you how to change hostname in CentOS 6. Unlike operating systems that use systemd like CentOS 7 or Ubuntu 16, CentOS 6 will not have…
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