raspberry pi

services

How to Configure cacti

So, you finally got cacti running on your server and you want it to monitor your network devices! No problem! Getting cacti running as a webpage is the hard part. Setting it up to watch your whole network is the fun part!! Browse to http://your cacti server IP address/cacti and you should get the console. […]

Read More
raspbian salt services ubuntu

SaltStack .sls file to allow root to log in directly

I’m lazy and I have bad admin habits, like logging into a LINUX server, directly, as root. Worse than that, I like to set the passwords all the same on the systems. But, this is just my Raspberry sandbox network so nobody cares. I wouldn’t dream of such a scheme in production. But now that […]

Read More
salt ubuntu

How to Install SaltStack on a Raspberry Pi

Once you have the OS installed and (in the case of a Raspberry,) ntp working, you can install stuff. The first thing I want to install is SaltStack. With SaltStack, I can get the bulk of my system administrator tasks completed without having to remember everything to install. This will also be a little test, […]

Read More
basics ubuntu

Ubuntu 20.04.1 LTS on a Raspberry Pi

So, with the newest version of Ubuntu now available for the Raspberry, I wanted to jump in and see what they had to offer my Raspberry experience! Also, I need to have some Ubuntu in the network to see if I can configure Saltstack to handle an Ubuntu node for something that I’ve been exploring […]

Read More
hardware

Maddening i2c problem with the Adafruit ccs811

I’m trying to write a python script to use my and it WON’T respond. I’m sure my python code is good, but I keep getting this horrible error. It’s like the ccs811 isn’t even attached! I mean, look at this: What the hell?!?! I do a little research and realize that the module has issues […]

Read More
hardware

How to Build a Raspberry Pi Weather Station

Building a Raspberry Pi Weather Station is a popular and fun project. It entails some wiring/soldering, python programming, scraping the Adafruit website for software and drivers, and finally some engineering to get a Raspberry to live outside in your backyard with access to your network. Depending on how fancy you want to get, this weather […]

Read More
services

How to Configure Nagios on a Raspberry

There are host templates and service templates. Host templates control settings for host objects and service templates control settings for service objects. A host object in Nagios is something that you want to monitor. A service object is a service that is running on a host. There are .cfg files that contain these definitions. The […]

Read More
services

How to Switch to https for Free!

If you’re running a website, you probably want it on Google. Google prefers websites that use HTTP and will rank you higher if you are running a secure website. Turning on HTTP for apache on a Raspberry is no different than setting it up on a larger computer. It used to be that you had […]

Read More
services

How to Install WordPress on a Raspberry Pi

This post will cover the process of getting WordPress on a freshly booted Raspberry Pi. Follow my Newbie Guide to get ready for this installation. I like to install all the prerequisites at once and then install WordPress separately. Yes, you CAN “apt install wordpress”, but I like to do it the way that WordPress […]

Read More
services

How to Get Rid of Maintenance Mode in WordPress

Occasionally, you might get this message when you go to your favorite WordPress blog–especially if you have a load-balanced, distributed web server, like this one. I have a couple of Raspberry PIs, running apache, that are front-ended with HAProxy. When I start a plugin update on my site, that activity is run by one of […]

Read More