虚拟机中的Linux系统克隆后,网卡配置eth0中的UUID可被克隆的系统是一样的,这样UUID就失去了唯一性。
我参考了该篇博客:
有时我们不小心将/etc/sysconfig/network-scripts /ifcfg-eth0(可以通过此文件进行查看UUID)删除或者损坏,要重新编辑ifcfg-eth0文件时不知道网卡的UUID是什么(当然也可以 不写),那我们还有什么方法可以查看网卡的UUID呢?在这里我们使用的方法是使用nmcli命令查看,方法如下:
1、首先我们查看一下nmcli是哪个软件包提供的
[[email protected] ~]# yum provides "*/nmcli" Loaded plugins:fastestmirror, security Loading mirror speeds from cached hostfile * base: mirrors.cug.edu.cn * extras: mirrors.cug.edu.cn * updates: centos.ustc.edu.cn 1:NetworkManager-0.8.1-75.el6.i686 : Network connection manager and : user applications Repo : base Matched from: Filename : /usr/bin/nmcli2、从上面结果可以看出nmcli,接下来我们安装NetworkManager这个软件包
[[email protected] ~]# yum -y install NetworkManager3、启动NetworkManager服务
[[email protected] ~]# service NetworkManager start Setting network parameters... [ OK ] Starting NetworkManager daemon: [ OK ]4、查看网卡UUID
[[email protected] ~]# nmcli con | sed -n ‘1,2p‘ NAME UUID TYPE SCOPE TIMESTAMP-REAL System eth0 c1021d28-7238-4f26-8e92-4aea5d607cab 802-3-ethernet system Mon 08 Dec 2014 12:49:14 PM CST5、检验是否与/etc/sysconfig/network-scripts/ifcfg-eth0里面的UUID值相同(注:检验只在ifcfg-eth0文件能正常查看UUID时才有效)
[[email protected] ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth0 | grep UUID UUID=c1021d28-7238-4f26-8e92-4aea5d607cab
下面是我的实际解决问题过程:
[[email protected] ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth0 DEVICE=eth0 TYPE=Ethernet ONBOOT=yes NM_CONTROLLED=yes BOOTPROTO=none HWADDR=00:0c:29:ec:f6:99 IPADDR=192.168.153.11 NETMASK=255.255.255.0 GATEWAY=192.168.153.2 DNS1=8.8.8.8 DNS2=202.106.0.20 USERCTL=yes PEERDNS=yes IPV6INIT=no [[email protected] ~]# service network restart 正在关闭接口 eth0: [确定] 关闭环回接口: [确定] 弹出环回接口: [确定] 弹出界面 eth0: Determining if ip address 192.168.153.11 is already in use for device eth0... [确定] [[email protected] ~]# user -bash: user: command not found [[email protected] ~]# yum provides "*/nmcli" 已加载插件:fastestmirror, security Determining fastest mirrors * base: mirrors.tuna.tsinghua.edu.cn * extras: mirrors.tuna.tsinghua.edu.cn * updates: mirrors.tuna.tsinghua.edu.cn base | 3.7 kB 00:00 base/primary_db | 4.7 MB 01:00 extras | 3.4 kB 00:00 extras/primary_db | 37 kB 00:00 updates | 3.4 kB 00:00 updates/primary_db | 1.4 MB 00:09 base/filelists_db | 6.4 MB 00:32 extras/filelists_db | 38 kB 00:00 updates/filelists_db | 1.1 MB 00:07 1:NetworkManager-0.8.1-107.el6.x86_64 : Network connection manager and user applications Repo : base 匹配来自于: Filename : /usr/bin/nmcli [[email protected] ~]# yum -y install NetworkManager 已加载插件:fastestmirror, security 设置安装进程 Loading mirror speeds from cached hostfile * base: mirrors.tuna.tsinghua.edu.cn * extras: mirrors.tuna.tsinghua.edu.cn * updates: mirrors.tuna.tsinghua.edu.cn 解决依赖关系 --> 执行事务检查 ---> Package NetworkManager.x86_64 1:0.8.1-107.el6 will be 安装 --> 处理依赖关系 ppp = 2.4.5,它被软件包 1:NetworkManager-0.8.1-107.el6.x86_64 需要 --> 处理依赖关系 NetworkManager-glib = 1:0.8.1-107.el6,它被软件包 1:NetworkManager-0.8.1-107.el6.x86_64 需要 --> 处理依赖关系 wpa_supplicant >= 1:0.6.8-4,它被软件包 1:NetworkManager-0.8.1-107.el6.x86_64 需要 --> 处理依赖关系 mobile-broadband-provider-info >= 0.20090602,它被软件包 1:NetworkManager-0.8.1-107.el6.x86_64 需要 --> 处理依赖关系 ModemManager >= 0.3-3.git20100317,它被软件包 1:NetworkManager-0.8.1-107.el6.x86_64 需要 --> 处理依赖关系 rp-pppoe,它被软件包 1:NetworkManager-0.8.1-107.el6.x86_64 需要 --> 处理依赖关系 dnsmasq,它被软件包 1:NetworkManager-0.8.1-107.el6.x86_64 需要 --> 处理依赖关系 avahi-autoipd,它被软件包 1:NetworkManager-0.8.1-107.el6.x86_64 需要 --> 处理依赖关系 libnm-util.so.1()(64bit),它被软件包 1:NetworkManager-0.8.1-107.el6.x86_64 需要 --> 处理依赖关系 libnm-glib.so.2()(64bit),它被软件包 1:NetworkManager-0.8.1-107.el6.x86_64 需要 --> 执行事务检查 ---> Package ModemManager.x86_64 0:0.4.0-5.git20100628.el6 will be 安装 ---> Package NetworkManager-glib.x86_64 1:0.8.1-107.el6 will be 安装 ---> Package avahi-autoipd.x86_64 0:0.6.25-15.el6 will be 安装 --> 处理依赖关系 libdaemon.so.0()(64bit),它被软件包 avahi-autoipd-0.6.25-15.el6.x86_64 需要 ---> Package dnsmasq.x86_64 0:2.48-17.el6 will be 安装 ---> Package mobile-broadband-provider-info.noarch 0:1.20100122-4.el6 will be 安装 ---> Package ppp.x86_64 0:2.4.5-10.el6 will be 安装 ---> Package rp-pppoe.x86_64 0:3.10-16.el6 will be 安装 ---> Package wpa_supplicant.x86_64 1:0.7.3-8.el6 will be 安装 --> 执行事务检查 ---> Package libdaemon.x86_64 0:0.14-1.el6 will be 安装 --> 完成依赖关系计算 依赖关系解决 ===================================================================================================================================== 软件包 架构 版本 仓库 大小 ===================================================================================================================================== 正在安装: NetworkManager x86_64 1:0.8.1-107.el6 base 1.1 M 为依赖而安装: ModemManager x86_64 0.4.0-5.git20100628.el6 base 177 k NetworkManager-glib x86_64 1:0.8.1-107.el6 base 241 k avahi-autoipd x86_64 0.6.25-15.el6 base 34 k dnsmasq x86_64 2.48-17.el6 base 150 k libdaemon x86_64 0.14-1.el6 base 28 k mobile-broadband-provider-info noarch 1.20100122-4.el6 base 26 k ppp x86_64 2.4.5-10.el6 base 328 k rp-pppoe x86_64 3.10-16.el6 base 97 k wpa_supplicant x86_64 1:0.7.3-8.el6 base 367 k 事务概要 ===================================================================================================================================== Install 10 Package(s) 总下载量:2.6 M Installed size: 8.8 M 下载软件包: (1/10): ModemManager-0.4.0-5.git20100628.el6.x86_64.rpm | 177 kB 00:00 (2/10): NetworkManager-0.8.1-107.el6.x86_64.rpm | 1.1 MB 00:01 (3/10): NetworkManager-glib-0.8.1-107.el6.x86_64.rpm | 241 kB 00:00 (4/10): avahi-autoipd-0.6.25-15.el6.x86_64.rpm | 34 kB 00:00 (5/10): dnsmasq-2.48-17.el6.x86_64.rpm | 150 kB 00:00 (6/10): libdaemon-0.14-1.el6.x86_64.rpm | 28 kB 00:00 (7/10): mobile-broadband-provider-info-1.20100122-4.el6.noarch.rpm | 26 kB 00:00 (8/10): ppp-2.4.5-10.el6.x86_64.rpm | 328 kB 00:02 (9/10): rp-pppoe-3.10-16.el6.x86_64.rpm | 97 kB 00:00 (10/10): wpa_supplicant-0.7.3-8.el6.x86_64.rpm | 367 kB 00:00 ------------------------------------------------------------------------------------------------------------------------------------- 总计 327 kB/s | 2.6 MB 00:08 warning: rpmts_HdrFromFdno: Header V3 RSA/SHA1 Signature, key ID c105b9de: NOKEY Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6 Importing GPG key 0xC105B9DE: Userid : CentOS-6 Key (CentOS 6 Official Signing Key) <centos-6[email protected]> Package: centos-release-6-8.el6.centos.12.3.x86_64 (@anaconda-CentOS-201605220104.x86_64/6.8) From : /etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6 运行 rpm_check_debug 执行事务测试 事务测试成功 执行事务 正在安装 : ppp-2.4.5-10.el6.x86_64 1/10 warning: /etc/ppp/chap-secrets created as /etc/ppp/chap-secrets.rpmnew warning: /etc/ppp/pap-secrets created as /etc/ppp/pap-secrets.rpmnew 正在安装 : rp-pppoe-3.10-16.el6.x86_64 2/10 正在安装 : 1:NetworkManager-glib-0.8.1-107.el6.x86_64 3/10 正在安装 : mobile-broadband-provider-info-1.20100122-4.el6.noarch 4/10 正在安装 : dnsmasq-2.48-17.el6.x86_64 5/10 正在安装 : libdaemon-0.14-1.el6.x86_64 6/10 正在安装 : avahi-autoipd-0.6.25-15.el6.x86_64 7/10 正在安装 : ModemManager-0.4.0-5.git20100628.el6.x86_64 8/10 正在安装 : 1:wpa_supplicant-0.7.3-8.el6.x86_64 9/10 正在安装 : 1:NetworkManager-0.8.1-107.el6.x86_64 10/10 Verifying : 1:wpa_supplicant-0.7.3-8.el6.x86_64 1/10 Verifying : ModemManager-0.4.0-5.git20100628.el6.x86_64 2/10 Verifying : rp-pppoe-3.10-16.el6.x86_64 3/10 Verifying : avahi-autoipd-0.6.25-15.el6.x86_64 4/10 Verifying : ppp-2.4.5-10.el6.x86_64 5/10 Verifying : libdaemon-0.14-1.el6.x86_64 6/10 Verifying : dnsmasq-2.48-17.el6.x86_64 7/10 Verifying : mobile-broadband-provider-info-1.20100122-4.el6.noarch 8/10 Verifying : 1:NetworkManager-glib-0.8.1-107.el6.x86_64 9/10 Verifying : 1:NetworkManager-0.8.1-107.el6.x86_64 10/10 已安装: NetworkManager.x86_64 1:0.8.1-107.el6 作为依赖被安装: ModemManager.x86_64 0:0.4.0-5.git20100628.el6 NetworkManager-glib.x86_64 1:0.8.1-107.el6 avahi-autoipd.x86_64 0:0.6.25-15.el6 dnsmasq.x86_64 0:2.48-17.el6 libdaemon.x86_64 0:0.14-1.el6 mobile-broadband-provider-info.noarch 0:1.20100122-4.el6 ppp.x86_64 0:2.4.5-10.el6 rp-pppoe.x86_64 0:3.10-16.el6 wpa_supplicant.x86_64 1:0.7.3-8.el6 完毕! [[email protected] ~]# service NetworkManager start 设置网络参数... [确定] 正在启动 NetworkManager 守护进程: [确定] [[email protected] ~]# nmcli con 名称 UUID 类型 范围 真实时间戳 System eth0 5fb06bd0-0bb0-7ffb-45f1-d6edd65f3e03 802-3-ethernet 系统 2016年08月03日 星期三 04时29分03秒 名称 UUID 类型 范围 真实时间戳 [[email protected] ~]# vim /etc/sysconfig/network-scripts/ifcfg-eth0 [[email protected] ~]# service network restart 正在关闭接口 eth0: 设备状态:3 (断开连接) [确定] 关闭环回接口: [确定] 弹出环回接口: [确定] 弹出界面 eth0: 活跃连接状态:激活的 活跃连接路径:/org/freedesktop/NetworkManager/ActiveConnection/1 [确定] [[email protected] ~]#
时间: 2024-12-25 13:55:24