DNS settings not working

Hello, i cant connect to anything because my DNS settings are not working


Search domain: proxmox.local
DNS Server 1: 8.8.8.8
DNS Server 2: 8.8.4.4

/etc/hosts
127.0.0.1 localhost.localdomain localhost
192.168.2.188 proxmox.local proxmox

/etc/hostname
proxmox

ping 8.8.8.8
From 192.168.2.188 icmp_seq=** Destination Host Unreachable

I also cant ping my gateaway ^^Same Message

Any help is appreciated