ยปTag: Webmin

No iptables / ip6tables Bootup Action Was Found at Webmin Networking in CentOS / RHEL / Fedora 7

When going to Linux Firewall module in Webmin Networking (which also used by Virtualmin and Cloudmin), the following error message is displayed: No iptables bootup action was found, indicating that the IPtables package is not installed on [...]

By |2017-03-25T04:00:03+08:00March 25th, 2017|Categories: Web Servers|Tags: , , , , , , , , |0 Comments

Missing ntpdate And sntp Commands in Webmin

When attempting to configure the system to automatically synchronize the time with a remote time server using NTP protocol in the "time server sync" of "System Time" module of Webmin (which also used by Virtualmin and Cloudmin), [...]

By |2017-03-25T03:56:17+08:00March 25th, 2017|Categories: Linux|Tags: , , , |0 Comments

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 |2016-12-09T08:38:23+08:00December 9th, 2016|Categories: Web Servers|Tags: , , |11 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 |2016-12-09T08:38:35+08:00December 9th, 2016|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 |2016-12-09T08:38:58+08:00December 9th, 2016|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 |2016-12-09T08:39:09+08:00December 9th, 2016|Categories: Web Servers|Tags: , |0 Comments

How to Reset or Change Virtualmin & Webmin Root Password

When trying to logon to Webmin and/or Virtualmin, the login is unsuccessful and the UI returns the following error message: Login failed. Please try again. If you attempt to forcefully login via guessing the password, or keep [...]

By |2016-12-09T08:39:10+08:00December 9th, 2016|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 |2018-11-29T21:33:33+08:00November 29th, 2018|Categories: Web Servers|Tags: , |1 Comment

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 |2016-12-09T08:39:13+08:00December 9th, 2016|Categories: Web Servers|Tags: , |3 Comments