Linux Network management related tools

Linux itself provides many tools for network testing, network troubleshooting, network State analysis, and a few more commonly used tools.

One, ping command

The ping command uses the ICMP protocol to also test the connectivity of the network.

Command format: ping [option] IP

Common options:

-C #: Specify the number of messages;

-W Timeout: The timeout of waiting for the response message.

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Second, traceroute command

The traceroute command is used to track each routed node to the destination.

Command format: traceroute host| Ip

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Third, MTR command

The MTR command functions similarly to the traceroute command, but dynamically displays the node information.

Command format: MTR host| Ip

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Iv. netstat command

Used to display network connection status.

Command format: netstat [options]

Common options:

-T:TCP Agreement;

-U:UDP Agreement;

-N: Displays the address of the number format;

-l:listen, displays the connection in the monitoring State;

-tan:tcp all States;

-P: Shows the process program name and process number in the session;

-r: Displays the routing table;

Common combination options:-TUNPL

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V. Ethtool command

Used to display property information for a network device.

Command format: ethtool [options] Device name

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-S: Displays statistics for network interfaces

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VI, SS command

The SS command works the same as the Netstat command, but the SS command can also specify the connection status as a filter.

Command format: SS [Options]

Common options:

-t:tcp

-n:udp

-p:process

-l:listening

-a:all

-E: Extended information

-M: socket-related memory usage information

-O state {established,listening,fin_wait_1,fin_wait_2} ' (dport= or sport=) ' displays only the connections in the specified state, and can also specify filter conditions

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Linux Network management related tools