Updated 03-Aug-2025 How to manage fonts in Debian (installing/removing/refreshing). See also Fonts, Typefaces, Typography Microsoft Core Fonts Installer Check to see if this is installed via apt-cache sudo apt-cache search ttf-mscorefonts-installer Emoji fonts Yeh, I don't like them but people use them so need to see them. sudo apt install fonts-noto-color-emoji Debian and application fonts ... Read more
Updated 24-Aug-2025 **Note - This article needs a revamp as it references Amazon Linux and should simply be straightforward for any Debian. On a new Amazon Linux AMI installation, there is a useful ec2-user account configured. However, in order to make it more useful, there is a need to edit some .bashrc files, as well ... Read more
Updated 03-Aug-2025 ufw is known as a Debian (and Ubuntu) firewall, which is disabled by default but easy to use. There are some GUI front-ends which make it popular for Linux on the desktop. Coming from a CentOS background (RHEL/Amazon Linux AMI), ufw is not as common (as, say firewalld, or simply iptables, to which ... Read more
Updated 12-Jan-2026 This is a terse collection of commands and utilities I find useful for shells. There is little distinction between programs and commands as commands are programs (and are installed or come pre-installed) and programs have commands. Also included is a shell (Fish Shell) and some other shell applications/utilities (Mosh, Nano). bc - basic ... Read more
Updated 03-Aug-2025 scp, the secure version of cp, aka copy, is pretty great, since it is straightforward to copy one or more files or directories from any one machine to any other machine (and the command could be running on a third machine). SCP Syntax Note: it is best to use sudo, and full paths ... Read more
Updated 03-Aug-2025 Note: This started out as a page about MOSH, but I've moved on to AutoSSH, which is way easier without much configuration, and better at what it does. I had not been aware of Mosh (mobile shell), though clearly its own level of awesome is not a reason for that. Basically it replaces ... Read more
Updated 03-Aug-2025 Update May 2024 - I can't recommend Scribus due to their model of very long time between releases, the fact that only two programmers work on it in their spare time, and the advances to Inkscape (mainly supporting multi-page SVG / PDF). Yes, I'm sure the programmers are working hard, but they've got ... Read more