Mtr is a great network connectivity judgment tool in Linux, which combines the relevant features of ping, traceroute, nslookup. When there is a problem with the network link, the ping command will be used to simply test the network connectivity and see the packet loss rate, but it is impossible to determine where the problem is; you can also use the tracert command to view the route, or use nslookup Command to check whether DNS is available; mtr combines the above functions to make a unified network judgment.
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