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  • netstat常用命令

    root@cephclient:/etc/keepalived# netstat -rn

    Kernel IProuting table

    Destination     Gateway         Genmask         Flags  MSS Window  irtt Iface

    0.0.0.0         10.100.219.2    0.0.0.0         UG        0 0          0 eth2

    10.100.219.0    0.0.0.0         255.255.255.128 U         0 0          0 eth2

    10.100.219.128  0.0.0.0         255.255.255.128 U         0 0          0 eth2

    192.168.100.0   0.0.0.0         255.255.255.0   U        0 0          0 eth1

    192.168.122.0   0.0.0.0         255.255.255.0   U        0 0          0 virbr0

    root@cephclient:/etc/keepalived# netstat -pan

    ActiveInternet connections (servers and established)

    ProtoRecv-Q Send-Q Local Address          Foreign Address         State       PID/Program name

    tcp        0     0 192.168.122.1:53       0.0.0.0:*               LISTEN      1444/dnsmasq   

    tcp        0     0 0.0.0.0:22             0.0.0.0:*               LISTEN      32058/sshd     

    tcp        0     0 10.100.219.113:22      10.100.219.21:47423    ESTABLISHED 31767/0        

    tcp        0   248 10.100.219.44:22       10.116.40.238:50729    ESTABLISHED 2169/3         

    tcp        0     0 10.100.219.21:47423    10.100.219.113:22      ESTABLISHED 31766/ssh      

    tcp6       0     0 :::22                  :::*                    LISTEN      32058/sshd     

    udp        0     0 0.0.0.0:20974          0.0.0.0:*                          1826/dhclient  

    udp        0     0 0.0.0.0:28022          0.0.0.0:*                          1858/dhclient  

    udp        0     0 192.168.122.1:53       0.0.0.0:*                          1444/dnsmasq   

    udp        0     0 0.0.0.0:67             0.0.0.0:*                          1444/dnsmasq   

    udp        0     0 0.0.0.0:68             0.0.0.0:*                          2228/dhclient  

    udp        0     0 0.0.0.0:68             0.0.0.0:*                          1858/dhclient  

    udp        0     0 0.0.0.0:68             0.0.0.0:*                          1826/dhclient  

    udp        0     0 0.0.0.0:46031          0.0.0.0:*                          2228/dhclient  

    udp6       0     0 :::9021                :::*                               2228/dhclient  

    udp6       0     0 :::10500               :::*                               1858/dhclient  

    udp6       0     0 :::45350               :::*                               1826/dhclient  

    raw        0     0 0.0.0.0:112            0.0.0.0:*               7           12857/keepalived

    raw        0     0 0.0.0.0:112            0.0.0.0:*               7           12857/keepalived

    raw        0     0 0.0.0.0:112            0.0.0.0:*               7           12857/keepalived

    raw        0     0 0.0.0.0:112            0.0.0.0:*               7           12857/keepalived

    ActiveUNIX domain sockets (servers and established)

    ProtoRefCnt Flags       Type       State         I-Node   PID/Program name    Path

    unix  2     [ ACC ]     SEQPACKET  LISTENING    8531     581/systemd-udevd   /run/udev/control

    unix  2     [ ACC ]     STREAM     LISTENING     1317    1/init             @/com/ubuntu/upstart

    unix  12    [ ]         DGRAM                    16516    1047/rsyslogd       /dev/log

    unix  2     [ ACC ]     STREAM     LISTENING     13444   938/dbus-daemon    /var/run/dbus/system_bus_socket

    unix  2     [ ACC ]     STREAM     LISTENING     12437   1309/libvirtd      /var/run/libvirt/libvirt-sock

    unix  2     [ ACC ]     STREAM     LISTENING     12439   1309/libvirtd      /var/run/libvirt/libvirt-sock-ro

    unix  2     [ ACC ]     STREAM     LISTENING     11454   1230/acpid         /var/run/acpid.socket

    unix  2     [ ]         DGRAM                    31877    2228/dhclient      

    unix  2     [ ]         DGRAM                    29790    1230/acpid         

    unix  3     [ ]         STREAM     CONNECTED     9374    1/init             

    unix  2     [ ]         DGRAM                    108700   31767/0            

    unix  2     [ ]         DGRAM                    15180    1826/dhclient      

    unix  3     [ ]         DGRAM                    18537    581/systemd-udevd  

    unix  3     [ ]         STREAM     CONNECTED     26711   1140/upstart-file-b

    unix  3     [ ]         STREAM     CONNECTED     9384    1/init             @/com/ubuntu/upstart

    unix  2     [ ]         DGRAM                    17476    1025/systemd-logind

    unix  2     [ ]         DGRAM                    15225    1858/dhclient      

    unix  3     [ ]         STREAM     CONNECTED     12398   938/dbus-daemon    /var/run/dbus/system_bus_socket

    unix  3     [ ]         STREAM     CONNECTED     1389    938/dbus-daemon    /var/run/dbus/system_bus_socket

    unix  3     [ ]         STREAM     CONNECTED     31221   1309/libvirtd      

    unix  2     [ ]         DGRAM                    13059308 2169/3             

    unix  3     [ ]         STREAM     CONNECTED     26736   938/dbus-daemon    /var/run/dbus/system_bus_socket

    unix  2     [ ]         DGRAM                    13019740 12854/keepalived   

    unix  3     [ ]         STREAM     CONNECTED     31185   1/init             @/com/ubuntu/upstart

    unix  3     [ ]         DGRAM                    18536    581/systemd-udevd  

    unix  3     [ ]         STREAM     CONNECTED     1387    938/dbus-daemon    

    unix  2     [ ]         DGRAM                    51728    19177/login        

    unix  3     [ ]         STREAM     CONNECTED     1388    938/dbus-daemon    

    unix  3     [ ]         STREAM     CONNECTED     13416   1/init             @/com/ubuntu/upstart

    unix  3     [ ]         STREAM     CONNECTED     17493   1025/systemd-logind

    unix  2     [ ]         DGRAM                    1502     1444/dnsmasq       

    unix  3     [ ]         STREAM     CONNECTED     27696   573/upstart-udev-br

    unix  3     [ ]         STREAM     CONNECTED     18612   1154/upstart-socket

    root@cephclient:/etc/keepalived# netstat -nat

    ActiveInternet connections (servers and established)

    ProtoRecv-Q Send-Q Local Address          Foreign Address         State     

    tcp        0     0 192.168.122.1:53       0.0.0.0:*               LISTEN    

    tcp        0     0 0.0.0.0:22             0.0.0.0:*               LISTEN    

    tcp        0     0 10.100.219.113:22      10.100.219.21:47423    ESTABLISHED

    tcp        0   232 10.100.219.44:22       10.116.40.238:50729    ESTABLISHED

    tcp        0     0 10.100.219.21:47423    10.100.219.113:22      ESTABLISHED

    tcp6       0     0 :::22                  :::*                    LISTEN  

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  • 原文地址:https://www.cnblogs.com/double12gzh/p/10166167.html
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