How to Install Let’s Encrypt in CentOS / RHEL / Fedora / FreeBSD / OpenBSD / Ubuntu / Linux
Let's Encrypt is a free, automated, and open certificate authority (CA) that provides Domain Validated (DV) certificates essential [...]
Install Munin Tracking & Monitoring System (RedHat/CentOS/Ubuntu/SUSE)
Munin Monitoring System is one of the popular computer system, network and infrastructure monitoring tool. With Munin, real-time [...]
Mail: Command Not Found in Linux (RedHat / CentOS / Debian / Ubuntu)
In Linux operating system such as Red Hat Enterprise Linux (RHEL), CentOS and Ubuntu, the following error may [...]
Perl Module This Distribution Requires a Working Compiler at Makefile.PL
When compiling and installing a Perl module from source via CPAN or CPANM (CPANMinus) on Linux such as [...]
How to Read User Mail in the Webmin / Virtualmin / Cloudmin
Webmin is a web-based GUI interface to manage UNIX and Linux systems. Webmin is also the base of [...]
Install & Set Up Linux Web Server with Virtualmin Control Panel
Virtualmin is an open source domain hosting and web server control panel built on top of Webmin, a [...]