IPAddressNow - Tips

Command to check IP configuration:

ipconfig

This command displays the IP configuration for all network interfaces on a Windows system.

Command to release IP address:

ipconfig /release

This command releases the IP address for all network interfaces on a Windows system.

Command to renew IP address:

ipconfig /renew

This command renews the IP address for all network interfaces on a Windows system.

Command to display DNS resolver cache:

ipconfig /displaydns

This command displays the contents of the DNS client resolver cache.

Command to flush DNS resolver cache:

ipconfig /flushdns

This command purges the DNS client resolver cache, releasing all cached DNS entries.

Command to reset TCP/IP stack:

netsh int ip reset

This command resets the TCP/IP stack back to default settings.

Command to display network configuration:

netsh interface ip show config

This command shows detailed network configuration information.

Command to show DHCP configuration:

ipconfig /all

This command displays detailed DHCP configuration information for all interfaces.

Command to release and renew DHCP IP:

ipconfig /release && ipconfig /renew

This command releases the current DHCP configuration and renews it.

Command to show network connections:

netstat -nao

This command displays all active network connections and listening ports.

Command to check network interface details:

ifconfig

This command displays the configuration details of network interfaces on a Mac system.

Command to show IP address of a specific interface (e.g., en0):

ipconfig getifaddr en0

This command shows the IP address of the specified network interface on a Mac system.

Command to show current Wi-Fi network details:

/System/Library/PrivateFrameworks/Apple80211.framework/Versions/Current/Resources/airport -I

This command shows detailed information about the current Wi-Fi network.

Command to display all available Wi-Fi networks:

/System/Library/PrivateFrameworks/Apple80211.framework/Versions/Current/Resources/airport -s

This command scans and lists all Wi-Fi networks in range.

Command to flush DNS cache:

sudo killall -HUP mDNSResponder

This command flushes the DNS cache on a Mac system.

Command to ping a host and check connectivity:

ping google.com

This command pings a remote server (e.g., Google) to check network connectivity.

Command to check active connections:

netstat -an

This command displays active network connections.

Command to reset the network interface (example for en0):

sudo ifconfig en0 down && sudo ifconfig en0 up

This command resets the specified network interface by taking it down and bringing it back up.

Command to display routing table:

netstat -rn

This command shows the routing table of the system, displaying how packets are routed.

Command to show network statistics:

nettop

This command provides real-time network statistics, showing traffic details for all interfaces.

Command to show IP address information:

ip a

Command to show DNS information:

cat /etc/resolv.conf

Command to show routing table:

ip route

Command to show network statistics:

netstat -s

Command to display active network connections:

ss -tuln

Command to test network connectivity:

ping google.com

Command to display current firewall rules:

sudo iptables -L

Command to flush DNS cache:

sudo systemd-resolve --flush-caches

Command to view network interface configuration:

ifconfig

Command to set a static IP address:

sudo ip addr add 192.168.1.100/24 dev eth0