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

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

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

Webmin & Virtualmin Perl Execution Failed Error

When click on "refresh system information" link in Webmin and Virtualmin, the following error is displayed: Error - Perl execution failed Undefined subroutine &main::right_page_cgi called at /usr/libexec/webmin/virtual-server-theme/recollect.cgi line 10. When accessing "Virtualmin" -> "System Settings" -> "Virtualmin [...]

By | January 14th, 2015|Categories: Web Servers|Tags: , |3 Comments

Virtualmin: You Do Not Have Access to This MySQL Database After Changing Password

After changing password of MySQL or MariaDB administration user, such as root, Virtualmin no longer has access to the database of the virtual servers. When attempting to manage database of a virtual server via "Edit Databases," Virtualmin [...]

By | January 9th, 2015|Categories: Databases|Tags: , , , |0 Comments

MariaDB: Webmin MySQL Startup Script /etc/rc.d/init.d/mysqld Was Not Found

MariaDB, the enhanced in-place upgrade of MySQL database management system, is getting more popular each passing day. We decide to upgrade from MySQL, which comes preinstalled in CentOS, to MariaDB 5.5, and subsequently to MariaDB 10, the [...]

By | January 9th, 2015|Categories: Databases|Tags: , , , , , , , |0 Comments

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