Problem when updating repository - Raspberry Pi Forums

hi all!
i'm newbie using raspi. want ask something

set raspberry pi ip public , access raspberry pi using putty.
when tried update raspberry pi repository, turns error. says

capture.png (52.04 kib) viewed 326 times

capture2.png (54.95 kib) viewed 326 times

should do? nothing since can't update repository.

thank, , have day

sudo sh -c 'echo "nameserver 8.8.8.8" >> /etc/resolv.conf'

raspberrypi