dim@dim-VirtualBox:~$ ping -c 4 olx.ua
ping: olx.ua: Неизвестное имя или служба
dim@dim-VirtualBox:~$ ping -c 4 8.8.8.8
PING 8.8.8.8 (8.8.8.

56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_seq=1 ttl=119 time=45.0 ms
64 bytes from 8.8.8.8: icmp_seq=2 ttl=119 time=34.1 ms
64 bytes from 8.8.8.8: icmp_seq=3 ttl=119 time=34.4 ms
64 bytes from 8.8.8.8: icmp_seq=4 ttl=119 time=34.1 ms
--- 8.8.8.8 ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 3002ms
rtt min/avg/max/mdev = 34.115/36.948/45.049/4.680 ms
dim@dim-VirtualBox:~$ ping -c 4 google.com
ping: google.com: Неизвестное имя или служба
dim@dim-VirtualBox:~$