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tcpdump-examples/how-to-check-ip-address-in-Linux.md

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how-to-check-ip-address-in-Linux.md

Reference: 3 Easy Ways to Find IP address in Linux

Find private ip address for all network interfaces in Linux

ip a
ip addr
ip address show 
ifconfig -a

Check private ip address for specific network interface in Linux

ip addr show dev eth1
ifconfig eth1

Check private ip address in bash script

ip -4 -o a | cut -d ' ' -f 2,7 | cut -d '/' -f 1
ip -4 addr show eth0 | grep -oP "(?<=inet ).*(?=/)"
ip addr show eth0 | grep inet | awk '{ print $2; }' | sed 's/\/.*$//'

Check public ip address in Linux

curl ifconfig.me/all
dig +short myip.opendns.com @resolver1.opendns.com
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