How to Use Let’s Encrypt SSL Certificate Automatically in Virtualmin / Webmin

Since Webmin 1.78 and Virtualmin 5.0, Webmin can request an SSL certificate for itself from Let's Encrypt, the free, automated and open certificate authority (CA), if you have the letsencrypt client command installed. The built-in Let's Encrypt [...]

By | July 28th, 2016|Categories: Web Servers|Tags: , , |0 Comments

Virtualmin Package Updates Install Failed (No More Mirrors to Try)

When updating Virtualmin managed packages, such as wbm-virtual-server (Webmin module for 'Virtualmin Virtual Servers (GPL)) to latest version, the installation of updates may failed. For example, when Virtualmin failed to update wbm-virtual-server, the following error message are [...]

By | August 16th, 2015|Categories: Web Servers|Tags: , |0 Comments

How to Automatically Upgrade Installed Scripts Update on All Virtual Servers

Virtualmin provides webmasters with ability to install various scripts onto virtual servers to aid in managing of system components or quickly install popular web apps. These scripts include WHMCS, X2Engine, phpMyAdmin, phpPgAdmin, Django, RoundCube, SquirrelMail and etc. [...]

By | April 29th, 2015|Categories: Web Servers|Tags: , |0 Comments

Set Up 2FA (Two-Factor Authentication) in Webmin with Authy

To increase the security of server system against malicious brute force hacking attempts, implementing two-factor authentication (2FA) is one of the effective solution. 2FA requires additional time-based One-Time Password (OTP) which known to legitimate users only when [...]

By | April 24th, 2015|Categories: Security|Tags: , , , , |0 Comments

Install Intermediate CA Certificate (Chain Cert) in Apache HTTPD Server

Digital certificates that are issued by a CA (certificate authority) are verified using a chain of trust. The trust anchor for the digital certificate is the Root Certificate Authority (CA). Common and popular root CA certs are [...]

Install and Run Multiple (and Newer 5.4 or 5.5) PHP Versions in Virtualmin

The free web hosting control panel Virtualmin comes by default with PHP version 5.3, which is pretty old version released in 2009 and no longer in development. However, Virtualmin does not provide an easy way to upgrade [...]

By | April 8th, 2015|Categories: Web Servers|Tags: , , , |1 Comment

Virtualmin Webmin Update Failure Metadata File Does Not Match Checksum

When trying to Webmin to newer version through Webmin's Virtualmin Package Updates module or manual yum update/install command, the following error occurred: Loaded plugins: fastestmirror, security Setting up Install Process Loading mirror speeds from cached hostfile * [...]

By | March 7th, 2015|Categories: Web Servers|Tags: , |0 Comments

Disable HTTPS / SSL for Virtualmin / Webmin Miniserv

Webmin and Virtualmin allows system administrators to manage Linux servers and use as the free alternative web hosting control panel. Virtualmin and Webmin comes packaged with its own web server called MiniServ and accept the connection to [...]

By | February 4th, 2015|Categories: Web Servers|Tags: , |0 Comments

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