1. 程式人生 > >Kafka:ZK+Kafka+Spark Streaming集群環境搭建(二)VMW安裝四臺CentOS,並實現本機與它們能交互,虛擬機內部實現可以上網。

Kafka:ZK+Kafka+Spark Streaming集群環境搭建(二)VMW安裝四臺CentOS,並實現本機與它們能交互,虛擬機內部實現可以上網。

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Centos7出現異常:Failed to start LSB: Bring up/down networking.

按照《Kafka:ZK+Kafka+Spark Streaming集群環境搭建(一)VMW安裝四臺CentOS,並實現本機與它們能交互,虛擬機內部實現可以上網。》配置好虛擬機,正在使用中,讓它強制斷電後,啟動起來發現ip無法訪問,而且重啟網絡失敗:

執行:systemctl restart network.service
出現異常:Failed to start LSB: Bring up/down networking.

執行ifconfig,發現配置好的ens33也不見了:

[spark@master ~]$ ifconfig
lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10<host>
        loop  txqueuelen 1000  (Local Loopback)
        RX packets 4  bytes 336 (336.0 B)
        RX errors 0  dropped 0  overruns 0
frame 0 TX packets 4 bytes 336 (336.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

解決方案:

systemctl stop NetworkManager
systemctl disable NetworkManager
Removed symlink /etc/systemd/system/multi-user.target.wants/NetworkManager.service.
Removed symlink /etc/systemd/system/dbus-org.freedesktop.NetworkManager.service.
Removed symlink 
/etc/systemd/system/dbus-org.freedesktop.nm-dispatcher.service.

重新啟動網絡:

systemctl start network.service

重新ifconfig查看是否ens33啟用

[root@master spark]# ifconfig
ens33: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.0.120  netmask 255.255.255.0  broadcast 192.168.0.255
        inet6 fe80::20c:29ff:fe71:ac74  prefixlen 64  scopeid 0x20<link>
        ether 00:0c:29:71:ac:74  txqueuelen 1000  (Ethernet)
        RX packets 235  bytes 28303 (27.6 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 137  bytes 22067 (21.5 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10<host>
        loop  txqueuelen 1000  (Local Loopback)
        RX packets 4  bytes 336 (336.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 4  bytes 336 (336.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

[root@master spark]# 

到此ens33起作用了,此時測試網絡也可以通了。

Kafka:ZK+Kafka+Spark Streaming集群環境搭建(二)VMW安裝四臺CentOS,並實現本機與它們能交互,虛擬機內部實現可以上網。