How to change the BIND DNS zone file format using Webmin
When doing a Domain Health Check on MX Toolbox you might be concerned because you receive the following message: SOA Serial Number Format is Invalid
Operating Systems
A curated list of useful certbot commands
About Certbot Certbot is a lifesaver when the user interface you use to renew certificates does not deliver anymore. Some servers of course come without
What are all the different versions of Windows 10 out there?
Windows 10 is probably the best Microsoft OS in a while. What’s also great about Windows 10 is Microsoft is constantly adding to it, yet
How to use `ps` or `top` and flag/filter it properly to see high loads
ps or top are often the first utilities a Linux administrator reaches for when looking at what’s happening on a system. It’s very much the
How to upgrade from Ubuntu 18.04 to Ubuntu 20.04
In a hurry to upgrade from Ubuntu 18.04 to 20.04, because, you can? Final question, and don’t phone a friend. Do you have a backup?
Commands to install the monitoring agent on a Google Compute Engine instance
Here is a summary of commands to install the monitoring agent on a GCE instance. curl -sSO https://dl.google.com/cloudagents/add-monitoring-agent-repo.sh bash add-monitoring-agent-repo.sh apt-get update sudo apt-cache madison
How to resize an Ubuntu partition on Google Cloud Engine
Background Google Cloud Engine makes it super simple to resize your disk and it can be done online. Step one is in the the user
How to ensure bind stores it’s zone files in plan text instead of raw / binary format
Background Bind 9.9 stores zone files in raw format. This makes is hard to troubleshoot, or perform scripted bulk operations on many files. There is
How to see the current mode of a file in Linux
Background The mode of a Linux file is the numeric representation of it’s access rights. The command to see the current mode of a file
Adventures in getting an Dell 30″ U3011 monitor working with an Intel NUC613SYH on Linux Mint
I inherited a beautiful Dell 30″ U3011 monitor but much was my disappointment when I noticed that the maximum resolution on my Linux Mint was