Network Commands.

Khemnath chauhan

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Jul 30, 2021

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# Find the number of connections for particular process.
$netstat -anp | grep etcdroot@controlplane:~# netstat -anp |grep etcd
tcp        0      0 127.0.0.1:2379          0.0.0.0:*               LISTEN      3917/etcd           
tcp        0      0 10.141.221.6:2379       0.0.0.0:*               LISTEN      3917/etcd           
tcp        0      0 10.141.221.6:2380       0.0.0.0:*               LISTEN      3917/etcd           
tcp        0      0 127.0.0.1:2381          0.0.0.0:*               LISTEN      3917/etcd           
tcp        0      0 127.0.0.1:2379          127.0.0.1:40224         ESTABLISHED 3917/etcd           
tcp        0      0 127.0.0.1:2379          127.0.0.1:40680         ESTABLISHED 3917/etcd           
tcp        0      0 10.141.221.6:2379       10.141.221.6:60666      ESTABLISHED 3917/etcd           
tcp        0      0 127.0.0.1:2379          127.0.0.1:40558         ESTABLISHED 3917/etcd           
tcp        0      0 127.0.0.1:2379          127.0.0.1:40972         ESTABLISHED 3917/etcd
#Check Network Interface Status. Here, checking the status of network interface docker0root@controlplane:~# ip link show | grep docker0
2: docker0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN mode DEFAULT group default