My Little Pocket Universe
Posts about linux in general that are not tied to a specific distro.
Redis is a wonderful tool, but (by design) it hoovers up all the RAM, and even dips into swap space on a linux host. In fact, the official documentation recommends that you disable swap entirely on the host. But in the real world, that is not always an option. Sometimes, depending on your application design, … Read more
These procedures were performed/tested on Ubuntu Desktop 22 LTS. On other versions, YMMV. I like to use ZFS on the root/boot volumes, however with Ubuntu (as of 22), you can only install it that way with the desktop installer. But that, of course, installs all the Desktop stuff I do not need on a server. … Read more
When you install Ubuntu with the default partitions, for some reason, it uses only half of the available disk. If you forget to create a home/var/whatever partition during the install process, you can do it after the fact. To use all of the remaining space in a volume group, you can use the following syntax: … Read more
I just started playing with RPCS3, the excellent emulator for Sony Playstation 3 games. After extracting a few of my games from disc, I found out that for a number of them, they will not play correctly unless they have been patched to the latest revision (see the section Installing PlayStation 3 Game Updates in … Read more
Firstly; this is information on how to extract your legally bought copy of 3D movies so you can play them on devices that do not use optical media (e.g. a VR headset). I do not condone piracy. Whether you want to make a backup, or to convert it to a more usable format, 3D movies … Read more
With Ubuntu starting to push their snap architecture, more and more apps break using old school X11 remote display methods. With traditional applications, you can just ssh to a remote host with -X or -Y to get X11 forwarding. You just run the X11 command, and it’ll “magically” come back and display on your local … Read more
So you have your shiny new Mac, and you want to back it up to a Time Machine volume, but you don’t want to have it dangling from a USB cable, a great option is to back up to a linux host using Samba. In the past, you would have used netatalk over the AFP … Read more
As anyone who has upgraded to Ubuntu 22+ will know, they have deprecated and removed the traditional firefox package, and only the snap version is available and supported. And this is fine for anyone running the desktop. But for those of us who use the server version of Ubuntu, and often need to use a … Read more
So you have your nice shiny linux box, and you are properly not allowing remote root logins, but you still need to be able to run X11 apps as root through ssh. But when you try, you get the dreaded error like: Gtk-WARNING **: 19:41:13.383: cannot open display: localhost:10.0 Well that is a pain. This … Read more
Sometimes you need things in life to slow down. Modern terminal emulators are great tools, and they can render text very quickly. This is usually the desired effect. But there are times when you need things to come at you a little slower. I have some old vt100/ansi animations that essentially do nothing when they … Read more