Installing a version of Nodejs:
https://www.linode.com/docs/guides/install-nodejs-on-ubuntu-22-04/
Installing pyenv:
https://medium.com/@aashari/easy-to-follow-guide-of-how-to-install-pyenv-on-ubuntu-a3730af8d7f0
Fix DistributedCOM Event ID 10016 Error in Windows 10 & Windows 11 (Permission issue)
If you don't want to update the entire system, but just one package (and dependencies):
apt-get install --only-upgrade <package_name>
As root, edit rc.local
vim /etc/rc.local
Add the following and whatever commands you want to start up on system boot:
#!/bin/bash
exit 0
Make it executable:
/var/lib/asterisk/sounds/en/custom
/var/spool/asterisk/voicemail/default
If the person has a name recorded, there will be a file called: greet.wav
If it is an unavailable message, it will be called: unavail.wav