Ubuntu ‘apt-get’ list of commands (list, update, upgrade, cheatsheet)

I have a couple of Ubuntu Linux systems, including Raspberry Pi systems, test servers, and production servers. It seems like every time I have to use an apt-get or other apt command, I always have to search for the command I need. To put an end to that, I’m creating this “apt-get reference page.” It’s very terse, as I’ve just written it for myself, but I hope it’s also helpful for others.

How to install Java, Scala, and SBT on Linux Mint

Lately I’ve been in the process of “making the switch” from macOS to Linux Mint, and to that end, I just installed the Java 8 JDK/SDK, Scala 2.12, and SBT 0.13 on a new Linux Mint system, and I want to note here how I did that while it’s still fresh in my mind. Here are my notes in a compact form.

Update: Possible alternative

I haven’t looked into this yet, but it may be possible (and easier) to install OpenJDK rather than Oracle’s version of Java (which I describe below). I describe that process on my notes on how to configure a new Ubuntu server, but the basic command to install the OpenJDK JRE is:

apt-get install default-jre

and the command to install the OpenJDK JDK/SDK is:

apt-get install default-jdk

How to record online radio streams with Streamripper on a Linux (Raspberry Pi) system

This isn’t a blog post as much as it is just some notes on how I got streamripper working the way I want to on my Raspberry Pi “AlRadio” project. That project is a little like a radio in that it plays FM radio stations, but it also plays live radio streams, makes and plays recorded radio streams, and plays podcasts.

Streamripper in production

I installed streamripper with apt-get like this: