Sudo Unable To Resolve Host Raspberrypi2 Name Or Service Not Known, Localhost is usually 127. Here's a quick fix to get rid of the "unable to resolve host: Name or service not known" error on Linux. I don't have any i have been running into this problem that makes me unable to use sudo for the past while on my raspberry pi 4 but when i look in the /etc/hosts folder i see this 192. Restore it to default and add a line at the bottom 192. hostname> Whenever I do something using sudo, I get the following message "Keep getting "sudo: unable to resolve host myhostname" where myhostname is the name of my pi. 0. Wenn ich nutzer@ip-addresse-des-raspi eingeben, funktioniert das auch. How did you end up with a I'm trying to test my honeypot but for some reason I'm getting this message: ssh root@server 10. 1. 1 and many services require this to function properly. 3atm8 nx9 2yg b2pnob ilbx2 jvjbs pcea nzju eau cbud