To see current environment variables type the following command:
root@SONARR0724:~# printenv
Output example:
SHELL=/bin/bash
LANGUAGE=en_US:en
PWD=/root
LOGNAME=root
XDG_SESSION_TYPE=tty
MOTD_SHOWN=pam
HOME=/root
LANG=en_US.UTF-8
SSH_CONNECTION=10.196.0.19 52023 10.73.0.178 22
XDG_SESSION_CLASS=user
TERM=xterm-256color
USER=root
SHLVL=1
XDG_SESSION_ID=191
XDG_RUNTIME_DIR=/run/user/0
SSH_CLIENT=10.196.0.19 52023 22
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/0/bus
SSH_TTY=/dev/pts/0
_=/usr/bin/printenv
To add a variable for this session only you can use "export"
root@SONARR0724:~# export NETBOX_HOST="https://netbox.rweigel.net"
root@SONARR0724:~# export ZABBIX_HOST="https://zabbix.rweigel.net"
To perma add them systemwide you need to add them to "/etc/environment"
nano /etc/environment
GNU nano 7.2 /etc/environment
ZABBIX_HOST="https://zabbix.rweigel.net"
NETBOX_HOST="https://netbox.rweigel.net"