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  • VMware 虚拟机克隆 CentOS 6.5 之后,网络配置问题的解决方案

    尼玛哥在搭建spark 集群的时候,需要3台虚拟机,为了操作简便,尼玛哥选择搭建一台虚拟机后,另外两台直接选择克隆的方式来实现,于是,克隆会出现几个问题

    • 网络的配置和源机一样
    • 用户名称与源机一样
    • 用户的hosts 与源机一样

    OK,咱们现在知道,有这3个东西,是和源机保持一致的,那么,咱们需要做的事,就是,修改这3个部分的内容,即可,下面,咱们以将克隆机修改为spark2的作为例子。

    1.修改网络配置

    首先咱们观察到,spark1的网络配置为:

    [root@spark1 ~]# vi /etc/sysconfig/network-scripts/ifcfg-eth0
    DEVICE=eth0
    HWADDR=00:0C:29:30:E5:54
    TYPE=Ethernet
    UUID=18b5fd33-bcf0-408b-ac48-f7d7ba3aa03d
    ONBOOT=yes
    NM_CONTROLLED=yes
    BOOTPROTO=static
    IPADDR=192.168.30.111
    NETMASK=255.255.255.0
    GATEWAY=192.168.30.2

    注意:这两个地方,是需要修改的部分,首先,HWADDR是mac地址,每一台机器有一个固定的mac地址,而IPADDR是 ip 地址,每一台机器也是独立的拥有单独的IP 。

    先修改 mac地址 ,由于克隆机会自动生成一个新的mac 地址,但是,需要我们来自己改动。

    [root@spark2 ~]#  vi /etc/udev/rules.d/70-persistent-net.rules
    # This file was automatically generated by the /lib/udev/write_net_rules
    # program, run by the persistent-net-generator.rules rules file.
    #
    # You can modify it, as long as you keep each rule on a single
    # line, and change only the value of the NAME= key.
    
    # PCI device 0x8086:0x100f (e1000) (custom name provided by external tool)
    SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:0c:29:30:e5:54", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"
    
    # PCI device 0x8086:0x100f (e1000)
    SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:0c:29:15:1b:71", ATTR{type}=="1", KERNEL=="eth*", NAME="eth1"

    将上面的内容进行修改,并且,注意留意eth1的mac设置

    修改后

    # This file was automatically generated by the /lib/udev/write_net_rules
    # program, run by the persistent-net-generator.rules rules file.
    #
    # You can modify it, as long as you keep each rule on a single
    # line, and change only the value of the NAME= key.
    
    # PCI device 0x8086:0x100f (e1000) (custom name provided by external tool)
    #SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:0c:29:30:e5:54", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"
    
    # PCI device 0x8086:0x100f (e1000)
    SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:0c:29:15:1b:71", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"

    注意修改的内容为:
    1.注释掉了

    #SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:0c:29:30:e5:54", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"

    2.修改了

    NAME="eth1"为NAME="eth0"

    将该修改后内容保存后退出。

    [root@spark1 ~]# vi /etc/sysconfig/network-scripts/ifcfg-eth0

    进入网络设置,修改配置为:

    DEVICE=eth0
    HWADDR=00:0c:29:15:1b:71
    TYPE=Ethernet
    UUID=18b5fd33-bcf0-408b-ac48-f7d7ba3aa03d
    ONBOOT=yes
    NM_CONTROLLED=yes
    BOOTPROTO=static
    IPADDR=192.168.30.112
    NETMASK=255.255.255.0
    GATEWAY=192.168.30.2

    保存后退出。

    执行命令 :

    [root@spark1 ~]# service network restart

    2.修改主机名称

    [root@spark1 ~]# vi /etc/sysconfig/network
    NETWORKING=yes
    HOSTNAME=spark2

    3.修改用户hosts

    [root@spark2 ~]# vi /etc/hosts
    127.0.0.1   localhost localhost.localdomain localhost4             localhost4.localdomain4
    ::1         localhost localhost.localdomain localhost6     localhost6.localdomain6
    192.168.30.112  spark2
    

    最后一步,重新启动客户机! reboot 即可成功!

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  • 原文地址:https://www.cnblogs.com/DeepRunning/p/9205956.html
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