TrueNAS Scale is Debian-based NAS.
However, apt and dpkg managers are disabled by default (for the security reasons).
Sometimes, advanced users needs to install additional utilities using the packet manager.
I'm wondering how to re-enable this possibility.
I found the next list of commands can re-enable
apton Truenas Scale 23.10. I used it from System Console in Truenas UI (System Settings->Shell)