Proxmox customize shell

Option one

Go to the below path 

cd /etc/profile.d/

Create file 00_lxc-details.sh

and then create a file 00_lxc-details.sh by editing with nano

nano /etc/profile.d/00_lxc-details.sh

and add the below text and changed according.

echo -e ""
echo -e "^[[1mGreen Home Bookstack LXC Container^[[m"
echo -e "    🌐  ^[[m^[[33m Provided by: Green Home^[[m"
echo ""
echo -e "    🖥️  ^[[m^[[33m OS: ^[[1;92mDebian GNU/Linux - Version: 12^[[m"
echo -e "    🏠  ^[[m^[[33m Hostname: ^[[1;92m$(hostname)^[[m"
echo -e "    💡  ^[[m^[[33m IP Address: ^[[1;92m$(hostname -I | awk '{print $1}')^[[m"

then press Ctrl-x then press Y and press Enter
To save and exit.

Create file