tmux-cpu VS Courier MTA

tmux-plugins/tmux-cpu - While it is easy to view CPU load averages by looking in the header of htop or just typing the uptime command, tmux does have the ability to show this information as well in the status bar. But tmux-cpu provides a more comprehensible display of this information including color levels. It also displays GPU information, which I'm not sure if that will matter on a Raspberry Pi unless it can report the status of the embedded graphics chip. This plugin does have some optional requirements that should be installed such as iostat and sar to get accurate CPU percentages, free to obtain system RAM status, and lm-sensors to find CPU temperature. Since iostat and sar are part of the sysstat package, free should already be installed as one of the core applications, and the closes thing to a mention of lm-sensors is a community repo package called i2c-tools, there are going to be some things to install. Oh, and probably something VERY IMPORTANT, install the raspberrypi-firmware-tools package. Because of this point, I had to go back and add another section. (There is sooo going to be a Mk3 later.)

It's been a while since I ran my own mail server, but I remember Courier Mail being good.

tmux-plugins/tmux-maildir-counter - Sadly, this plugin is no longer being developed. Maildir is still active, and eventually I would like to use a textual mail client (like mutt) to report a daily rundown of all the things going on the server in the Maildir format to internally log activities. It's just not going to happen with this plugin.