NAS not connecting to network

I set up a NAS with OpenMediaVault. When configuring the network during the out-of-box experience, I can connect to my main network and I get the comfirmation that the connection has been established. I successfully load into the shell and log in as root. I type the if config command to try to get the local ip and I get an error saying ifconfig: command not found . I try to install the networking tools with sudo apt install net-tools and I get an error saying that I cannot fetch the required packets. I also can't ping my own network or any sites like when I try to ping google.com I encounter a

Question by Nejc Bohinjc on Super User, licensed CC BY-SA. We show a short excerpt and link to the original thread as credit.