Using Emacs as editor for SBCL on Ubuntu 26.04

Version info:

• OS: Ubuntu 26.04
• Emacs: 30.2
• SBCL: 2.6.0

Install Emacs and SBCL as needed:

$: sudo apt install emacs
$: sudo apt install sbcl

Configure Emacs with SLY (Sylvester the Cat's Common Lisp IDE for Emacs), fire up Emacs and do:

1. Install Sly package in Emacs

M-x package-refresh-contents
M-x package-install RET sly RET

2. Create or edit Emacs configuration file

M-: (find-file user-init-file)

My .emacs looks like below
3. Restart Emacs
4. Load SLY

M-x sly RET

Below shows SLY with SBCL loaded.