Commands Library

Browse, search, copy, and open common network troubleshooting commands.

pingConnectivity

Test connectivity to a device or website.

WindowsmacOSLinux
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nslookupDNS

Query DNS records and troubleshoot DNS issues.

WindowsmacOSLinux
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ipconfigDHCP

Display IP configuration.

Windows
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ifconfigDHCP

Display network interface details.

macOSLinux
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tracertRouting

Trace packet path on Windows.

Windows
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tracerouteRouting

Trace packet path on macOS and Linux.

macOSLinux
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arp -aLayer 2

View the ARP table.

WindowsmacOSLinux
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netstatConnections

Display active network connections.

WindowsmacOSLinux
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netstat -anConnections

Display all active network connections with numeric addresses.

WindowsmacOSLinux
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netstat -rRouting

Display the routing table.

WindowsmacOSLinux
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netstat -bConnections

Display the executable responsible for each connection.

Windows
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ipconfig /allDHCP

Display detailed information about all network interfaces.

Windows
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ipconfig /renewDHCP

Request a new IP address from the DHCP server.

Windows
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ipconfig /releaseDHCP

Release the current DHCP IP address.

Windows
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ipconfig /flushdnsDNS

Clear the Windows DNS resolver cache.

Windows
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ipconfig getifaddr en0DHCP

Show the IP address of a macOS interface.

macOS
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ipconfig getpacket en0DHCP

Display macOS DHCP lease information.

macOS
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networksetup -listallhardwareportsConnections

List macOS network adapters and device names.

macOS
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scutil --dnsDNS

Display macOS DNS configuration.

macOS
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sudo dscacheutil -flushcacheDNS

Flush the DNS cache on macOS.

macOS
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curl -IConfiguration

Check website response headers.

macOSWindowsLinux
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