Commands tagged Network (129)
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XML version. Additionally it may give your geolocation if it's known by hostip.info Show Sample Output
-1curl http://my-ip.cc/host.xml -
List all the machine ip's currently running on your network Show Sample Output
-1fping -g 192.168.1.1 192.168.1.10 -r 1 | grep -v unreachable | awk '{print $1}' -
-1wget ifconfig.me/ip -q -O -
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you can use a pair of commands to test firewalls. 1st launch this command at destination machine
ncat -l [-u] [port] | catthen use this command at source machine to test remote portecho foo | ncat [-u] [ip address] [port]First command will listen at specified port. It will listen TCP. If you use -u option will listen UDP. Second command will send "foo" through ncat and will reach defined IP and port. Show Sample Output-1echo foo | ncat [ip address] [port] -
Replace "en1" with your network interface (on OS X, usually en0, en1, eth0, etc..) Show Sample Output
-2sudo tcpdump -i en1 -n -s 0 -w - | grep -a -o -E "Host\: .*|GET \/.*" -
If you need to ssh into a computer on the local network but you're unsure of the ip to use, then ping them and see if you get a response. If you do, print out the address you got it from. Adjust the range to suit your network.
-2for i in 192.168.1.{61..71};do ping -c 1 $i &> /dev/null && echo $i;fi;done -
Require ips and ipcalc Show Sample Output
-2IP=`ifconfig eth0 | grep "inet addr:" | ips |cut -d ":" -f 2 | cut -d " " -f 1`;SUBNET=`ifconfig eth0 | grep "inet addr:" | ips |cut -d ":" -f 3 | cut -d " " -f 1`;RANGE=`ipcalc $IP/$SUBNET | grep "Network:" | cut -d ' ' -f 4`;echo $RANGE -
-2/sbin/ifconfig|grep -B 1 inet |head -1 | awk '{print $5}'
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-2for i in 192.168.1.{1..254} ; do if ping -c1 -w1 $i &>/dev/null; then echo $i alive; fi; done
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With a lolcat favicon if you access it from your browser Show Sample Output
-2curl icanhazip.com -
Here's a version that uses netcat (although I'd much rather use curl!).
-2echo -e "GET /ip HTTP/1.0\nUser-Agent: netcat\nHOST: ifconfig.me\n\n" | nc ifconfig.me 80 | sed -n '/^[0-9]/p' -
Find your default gateway and print it directly output http://www.bilgisayarmatematik.com/ kerim@bayner.com Show Sample Output
-2route -n | awk '$2 ~/[1-9]+/ {print $2;}' -
Linux specific, requires iproute2 (but most distros have that by default now)
-2ip addr show eth0 | grep ether | awk '{print $2}' -
-2ifconfig -a | awk '/Bcast/{print $2}' | cut -c 5-19
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No junk, no pipe, one command, no subcommand - KISS Show Sample Output
-2ifdata -pN eth0 -
-2sudo lsof -iTCP:25
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-2netstat -lntp
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ip.telize.com (Listen on both IPv4 and IPv6) ip4.telize.com (Listen on IPv4 only) ip6.telize.com (Listen on IPv6 only) More information on : http://www.telize.com
-2curl ip.telize.com -
bash neto..
-3exec 3<>/dev/tcp/whatismyip.com/80; echo -e "GET /automation/n09230945.asp HTTP/1.0\r\nHost: whatismyip.com\r\n" >&3; a=( $(cat <&3) ); echo ${a[${#a[*]}-1]}; -
-3curl whatismyip.org
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If curl isn't available, use lynx.
-3lynx --dump icanhazip.com -
Another simple way to get external IP or use: wget -qO- http://ipecho.net/plain
-3curl http://ipecho.net/plain -
-3ifconfig -a | awk '/Bcast/{print $2}' | cut -c 5-19
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On Linux and Mac systems (I have not tested with other Unix systems), the ping command will keep on pinging until the user interrupts it with Ctrl+C. On Windows system, ping will execute for a number of times then quit. The -c flag on Linux and Mac will make this happen
-4ping -c 10 hostname -
-4echo -e "GET /automation/n09230945.asp HTTP/1.0\r\nHost: whatismyip.com\r\n" | nc whatismyip.com 80 | tail -n1
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