Category Archives: Linux Administration


Ubuntu 20: How to Enable TLS 1.0 and TLS 1.1 On Apache

Ubuntu Apache Enable TLS 1.1 and 1.0

When I migrated a site to a new Ubuntu 20 server, I faced an issue. I have a .Net application that is connecting to the my website. If the application is running on Windows 7, it cannot connect to the Website but if the application runs on Windows 10, it works. I figured out that […]


Host ASP.NET Core 6 Application with Apache Using Webmin

Install .Net Core 6 on Ubuntu 20

If you are using Webmin to administer your Linux box, here are the steps to run ASP.NET Core 6 application with Apache. If you are interested in installing .Net Core 3, you may use this article. Prerequisites Ubuntu 20.04 Webmin I assume that you have setup your server, Webmin and everything is up and running. […]


Uninstall .Net Core 3.1 From Ubuntu 18/20

Uninstall .Net Core 3

I had installed .Net Core 3.1 application on my Ubuntu 18/20 server. As the .Net Core 6 was released recently, I upgraded the source code to .Net Core 6. Instead of “upgrading” or co-hosting multiple .Net Core frameworks, I wanted to clean install .Net Core 6. In order to do that, I wanted to completely […]


Digital Ocean Recovery Console Stuck in Caps Mode

I am using Digital Ocean for hosting couple of Website including .Net Core Websites. For certain maintenance, I use Digital Ocean recovery console to login to the server. One day, accidentally something went wrong and console was stuck in caps mode. Trying to type in lower case would type in upper case and typing in […]


Fixed: Virtualmin Keeps Disabling DKIM

I wanted to enable DKIM for the multiple websites hosted on Digital Ocean using Webmin. I am using Digital Ocean DNS server and do not use the DNS server provided with Webmin. In fact, I keep the DNS service disabled. When I wanted to enable DKIM for emails, I went to Virual Min > Email […]


How To Setup DKIM For Multiple Domains in Virtualmin

I am hosting multiple domains using Webmin and wanted to setup DKIM for multiple domains. If you are using DNS server from Virtualmin, it would be easy to setup DKIM because Virtualmin takes care of not only enabling the DKIM for the domain but also setting up correct DNS record. I use 3rd party DNS […]




Webmin: 1 Package Available But Nothing to Update

I am using Webmin to host multiple Websites. As a best practice, I am updating the packages whenever any update is available and reported on Webmin Admin Panel. From past couple of days, Webmin reported 1 package is available for update but when I click on the link, it showed “No packages available to be […]