Comandos para obter infos sobre rede em linux

host

descobre o IP de um domínio:

> host riseup.net
riseup.net has address 198.252.153.69
riseup.net mail is handled by 10 mx1.riseup.net.
> host 198.252.153.69
69.153.252.198.in-addr.arpa domain name pointer lyre.riseup.net.

ifconfig

informações sobre adaptadores de rede. Dali sai meu IP interno.

no debian:

> /sbin/ifconfig

ip addr

retorna o mesmo que o ifconfig.

traceroute

traça a rota de uma requisição.

> traceroute riseup.net
traceroute to riseup.net (198.252.153.69), 30 hops max, 60 byte packets
 1  10.42.0.1 (10.42.0.1)  172.535 ms  175.100 ms  175.511 ms
 2  gw.colo2-arin01.koumbit.net (199.58.81.193)  176.373 ms  178.012 ms  177.556 ms
 3  netel.ic-netel0.koumbit.net (64.15.66.17)  180.384 ms  180.787 ms  183.831 ms
 4  199.193.52.69 (199.193.52.69)  184.239 ms  184.287 ms  184.315 ms
 5  te0-0-2-2.nr11.b020176-1.ymq02.atlas.cogentco.com (38.104.155.25)  185.592 ms  186.171 ms  186.545 ms
 6  te0-0-2-3.agr11.ymq02.atlas.cogentco.com (154.24.5.189)  186.621 ms  175.558 ms te0-0-2-3.agr12.ymq02.atlas.cogentco.com (154.24.5.193)  175.791 ms
 7  te0-7-0-3.ccr22.ymq02.atlas.cogentco.com (154.54.80.57)  176.207 ms te0-0-1-3.ccr22.ymq02.atlas.cogentco.com (154.54.40.153)  176.233 ms  176.611 ms
 8  hu0-4-0-1.ccr21.ymq01.atlas.cogentco.com (154.54.25.126)  177.233 ms hu0-4-0-1.ccr22.ymq01.atlas.cogentco.com (154.54.31.222)  178.321 ms hu0-4-0-1.ccr21.ymq01.atlas.cogentco.com (154.54.25.126)  177.741 ms
 9  be2090.ccr21.yyz02.atlas.cogentco.com (154.54.30.205)  186.890 ms be2093.ccr22.yyz02.atlas.cogentco.com (154.54.44.105)  187.376 ms be2090.ccr21.yyz02.atlas.cogentco.com (154.54.30.205)  187.794 ms
10  be2994.ccr22.cle04.atlas.cogentco.com (154.54.31.233)  198.576 ms  198.532 ms be2993.ccr21.cle04.atlas.cogentco.com (154.54.31.225)  197.967 ms
11  be2717.ccr41.ord01.atlas.cogentco.com (154.54.6.221)  203.648 ms be2718.ccr42.ord01.atlas.cogentco.com (154.54.7.129)  204.471 ms  205.344 ms
12  be2832.ccr22.mci01.atlas.cogentco.com (154.54.44.169)  207.731 ms  208.262 ms be2831.ccr21.mci01.atlas.cogentco.com (154.54.42.165)  209.231 ms
13  be3035.ccr21.den01.atlas.cogentco.com (154.54.5.89)  221.124 ms  222.104 ms  223.165 ms
14  be3038.ccr21.slc01.atlas.cogentco.com (154.54.42.97)  235.716 ms be3037.ccr21.slc01.atlas.cogentco.com (154.54.41.145)  236.184 ms be3038.ccr21.slc01.atlas.cogentco.com (154.54.42.97)  236.139 ms
15  be2085.ccr21.sea02.atlas.cogentco.com (154.54.2.197)  255.374 ms  258.564 ms  258.518 ms
16  be3053.ccr22.sea02.atlas.cogentco.com (154.54.2.38)  257.091 ms  257.395 ms  257.952 ms
17  wren.riseup.net (198.252.153.1)  258.513 ms  249.759 ms  250.924 ms

IP público

para descobrir meu IP público:

> curl -s checkip.dyndns.org|sed -e 's/.*Current IP Address: //' -e 's/<.*$//'

 

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