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GitHub Cheat Sheet

15 Jun 2022 8:19 am

How to make an URL using GitHub Markdown Markdown syntax for a hyperlink is square brackets followed by parentheses. The square brackets hold the text,

Unable to restart FirewallD – Found left-over process 1234567 (rmmod)

14 Jun 2022 9:15 am

To restart FirewallD, use this command: service firewalld restart However, if FirewallD refuses to restart, and you check the status using this command: service firewalld

Tip for Installing Packages on OpenSUSE

12 Jun 2022 12:41 pm

Here are some tips, tricks, and traps when working openSUSE How to install Software There’s no apt or yum, so use zypper. Here is an

How to avoid 404 and SEO redirect problems when using RankMath

11 Jun 2022 1:20 pm

As of 2022 RankMath is our favourite plugin for WordPress SEO. The problem appears that RankMath has poor defaults for 404 checking and redirects. These

How to configure Virtualmin’s NGINX server for a Laravel application

23 Jun 2022

Introduction This article describes a quick steps and a longer explanation of how to get a Laravel application working with Virtualmin and NGINX. Of course most

PHP execution modes – FPM versus FCGId versus CGI wrapper

23 Jun 2022

This article describes the PHP execution modes present in a Virtualmin installation. We’ve extracted some of the information from the help bubble provided by Virtualmin

How does SPF and DKIM work?

22 Jun 2022

SPF SPF records can be added easily by just adding a new TXT record to DNS. But how does the syntax for an SPF record

How to monitor Postfix queue length using an SNMP monitor

22 Jun 2022

Background It’s essential to monitor email queues if you’re an Internet service provider or email service provider. Any of your 1000s of email users might

How to resize/expand an Ubuntu LVM disk

22 Jun 2022

Background Hyper-V server with fresh Ubuntu installed. Disk was set to 25GB on install, and LVM was chosen. This procedure works for any Ubuntu file