How to Install Docker on a Raspberry
Docker? Docker is a software platform that levels the playing field. It creates an autonomous environment for running applications that is completely removed from hardware, operating system, and other software. It removes the guesswork from installing and running applications, because it removes all the variables from the environment. Once you have created your docker environment, […]
Read MorePi-hole Upgrade #2 – an easy DHCP server
If you’ve got lots of Raspberries that you want to try to keep track of – you’ll need an easy-to-use, fully-functional DHCP server. Pi-hole is a good one. Pi-hole can be a GREAT one with this little trick. Once you’ve got pi-hole up and running, check out the DHCP server that it ships with! Go […]
Read MorePi-hole Upgrade #1 – unbound DNS server
So, you’ve installed pi-hole and configured your network clients to use it as the default DNS server. Ads are disappearing! Life is good. I was happy until I realized that I could no longer resolve the other host on my network. The myriad of raspberry pis that are on my network were no longer reachable […]
Read MoreHow to Boot from USB for Ubuntu 20.04
When trying to set up my Argon One cased Raspberry to boot from the USB attached M.2 drive, I ran into a little snag! I set up the Raspberry to boot from Ubuntu 64 image on the USB drive, but after I copied the entire thumb drive to the m.2, I could not boot! Turns […]
Read MoreBuilding the Argon One Raspberry Pi Case
Argon Forty is shipping a great case for the Raspberry Pi 4! There are a couple of options available. All come with a beautiful aluminum case, a software-controlled fan, an IR receiver, and a removable IO header cover. Options include an M.2 adapter that allows you to add a high-speed, solid-state drive to your Raspberry! […]
Read MoreHow to Send Mail from a Raspberry Pi (or how to make gmail a little less secure).
Wouldn’t it be nice to get an occasional email from one of your Raspberries when something is wrong? Maybe your filesystem is filling up or the monitoring you’ve set up needs to alert you that some of the network devices are overheating. Back in the day, you could just run Sendmail and pipe some text […]
Read More