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netstat

netstat

Seção intitulada “netstat”
Terminal window
{"command":["netstat"]}
Active Internet connections (w/o servers)
Proto Recv-Q Send-Q Local Address           Foreign Address         State
tcp        0      0 f5-xc-ce-vm-01:56020    f5-xc-ce-vm-01:23791    ESTABLISHED
tcp        0      0 f5-xc-ce-vm-01.in:40272 100.127.192.52:65220    ESTABLISHED
tcp        0      0 f5-xc-ce-vm-01:35606    f5-xc-ce-:simplifymedia TIME_WAIT
tcp        0      0 f5-xc-ce-vm-01:49990    f5-xc-ce-vm-01:23791    ESTABLISHED
tcp        0      0 f5-xc-ce-vm-01.in:52022 f5-xc-ce-vm:etcd-client TIME_WAIT
tcp        0      0 f5-xc-ce-vm-01:58104    f5-xc-ce-vm-01:23791    ESTABLISHED
tcp        0      0 f5-xc-ce-vm-01.in:42864 100.127.192:pcsync-http ESTABLISHED
tcp        0      0 f5-xc-ce-vm-01:38462    f5-xc-ce-vm-01:65014    TIME_WAIT
tcp        0      0 f5-xc-ce-vm-01.in:41862 100.127.192.18:9505     ESTABLISHED
tcp        0      0 f5-xc-ce-vm-01.in:65011 f5-xc-ce-vm-01.in:45546 ESTABLISHED
tcp        0      0 f5-xc-ce-vm-01.in:65020 f5-xc-ce-vm-01:11863    ESTABLISHED
tcp        0      0 f5-xc-ce-vm-01:51466    f5-xc-ce-:simplifymedia TIME_WAIT
tcp        0      0 f5-xc-ce-vm-01:56260    f5-xc-ce-vm-01:23791    ESTABLISHED
tcp        0      0 f5-xc-ce-vm-01.in:33096 f5-xc-ce-vm-01.in:18094 ESTABLISHED
tcp        0      0 f5-xc-ce-vm-01:40200    f5-xc-ce-:simplifymedia TIME_WAIT
tcp        0      0 f5-xc-ce-vm-01:56552    f5-xc-ce-vm-01:23791    ESTABLISHED
tcp        0      0 f5-xc-ce-vm-01:48786    f5-xc-ce-vm-01:10248    TIME_WAIT
tcp        0      0 f5-xc-ce-vm-01.in:42788 100.127.192:pcsync-http ESTABLISHED
tcp        0      0 f5-xc-ce-vm-01:44430    f5-xc-ce-vm-01:65037    ESTABLISHED
tcp        0      0 f5-xc-ce-vm-01:59312    f5-xc-ce-vm-01:65014    TIME_WAIT
tcp        0      0 f5-xc-ce-vm-01:53474    f5-xc-ce-:simplifymedia TIME_WAIT
tcp        0      0 f5-xc-ce-vm-01.in:45184 100.127.192.18:9505     ESTABLISHED
tcp        0      0 f5-xc-ce-vm-01.in:40230 f5-xc-ce-vm-01.in:65210 TIME_WAIT
tcp        0      0 f5-xc-ce-vm-01:44562    f5-xc-ce-:simplifymedia TIME_WAIT
tcp        0      0 f5-xc-ce-vm-01:49978    f5-xc-ce-vm-01:23791    ESTABLISHED
tcp        0      0 f5-xc-ce-vm-01:51460    f5-xc-ce-:simplifymedia TIME_WAIT
tcp        0      0 f5-xc-ce-vm-01.in:54112 f5-xc-ce-vm:etcd-client TIME_WAIT
tcp        0      0 f5-xc-ce-vm-01.in:57228 f5-xc-ce-vm-01.int:9007 ESTABLISHED
tcp        0      0 f5-xc-ce-vm-01:51436    f5-xc-ce-:simplifymedia TIME_WAIT
tcp        0      0 f5-xc-ce-vm-01.in:65130 f5-xc-ce-vm-01.in:36044 TIME_WAIT
tcp        0      0 f5-xc-ce-vm-01.in:42762 100.127.192:pcsync-http ESTABLISHED
tcp        0      0 f5-xc-ce-vm-01.in:42660 100.127.192:pcsync-http ESTABLISHED
tcp        0      0 f5-xc-ce-vm-01.in:42820 100.127.192:pcsync-http ESTABLISHED
tcp        0      0 f5-xc-ce-vm-01.in:34614 100.127.192.18:9505     ESTABLISHED
tcp        0      0 f5-xc-ce-vm-01.in:57860 f5-xc-ce-vm:etcd-client TIME_WAIT
tcp        0      0 f5-xc-ce-vm-01:56158    f5-xc-ce-vm-01:23791    ESTABLISHED
tcp        0      0 f5-xc-ce-vm-01.in:56824 f5-xc-ce:idonix-metanet ESTABLISHED
tcp        0      0 f5-xc-ce-vm-01:41148    f5-xc-ce-vm-01:65014    TIME_WAIT
tcp        0      0 f5-xc-ce-vm-01.in:42870 100.127.192:pcsync-http ESTABLISHED
tcp        0      0 f5-xc-ce-vm-01:49934    f5-xc-ce-vm-01:23791    ESTABLISHED
tcp        0      0 f5-xc-ce-vm-01.in:36280 f5-xc-ce-vm-01.in:65513 ESTABLISHED
tcp        0      0 f5-xc-ce-vm-01.in:36052 100.127.192.52:65220    ESTABLISHED
tcp        0      0 f5-xc-ce-vm-01:46639    f5-xc-ce-vm-01:49114    TIME_WAIT
tcp        0      0 f5-xc-ce-vm-01.in:46096 100.127.192.18:9505     ESTABLISHED
tcp        0      0 f5-xc-ce-vm-01.in:40308 100.127.192.52:65220    ESTABLISHED
tcp        0      0 f5-xc-ce-vm-01:40354    f5-xc-ce-:simplifymedia TIME_WAIT
tcp        0      0 f5-xc-ce-vm-01:38446    f5-xc-ce-vm-01:65014    TIME_WAIT
tcp        0      0 f5-xc-ce-vm-01.in:36580 100.127.192.52:65220    ESTABLISHED
tcp        0      0 f5-xc-ce-vm-01.in:45128 100.127.192.18:9505     ESTABLISHED
tcp        0      0 f5-xc-ce-vm-01:49688    f5-xc-ce-:simplifymedia TIME_WAIT
tcp        0      0 f5-xc-ce-vm-01.in:53642 f5-xc-ce-v:pcsync-https ESTABLISHED
tcp        0      0 f5-xc-ce-vm-01:49956    f5-xc-ce-vm-01:23791    ESTABLISHED
tcp        0      0 f5-xc-ce-vm-01:51434    f5-xc-ce-:simplifymedia TIME_WAIT
tcp        0      0 f5-xc-ce-:filenet-peior f5-xc-ce-vm:etcd-client TIME_WAIT
tcp        0      0 f5-xc-ce-vm-01:40280    f5-xc-ce-:simplifymedia TIME_WAIT
tcp        0      0 f5-xc-ce-vm-01.in:36120 100.127.192.52:65220    ESTABLISHED
tcp        0      0 f5-xc-ce-vm-01.in:40286 100.127.192.52:65220    ESTABLISHED
tcp        0      0 f5-xc-ce-vm-01:56036    f5-xc-ce-vm-01:23791    ESTABLISHED


... [capture trimmed: first 60 of 980 lines]

Duas perguntas que este comando responde bem: se o processo que você espera está ouvindo na porta esperada, e se o nó possui uma conexão estabelecida com o plano de controle. Um CE sem conexões de saída estabelecidas para a infraestrutura da F5 é um nó que não irá se registrar, independentemente do que mais pareça saudável.

A saída é longa — a captura acima está truncada — portanto, passe argumentos para restringi-la em vez de lê-la por completo. Observe que a coluna de hostname é truncada para caber, o que importa se você estiver usando grep para um nome de nó completo e não encontrar nada.