Cobbler定制安装及重装系统

定制安装

获取帮助

1	[root@linux-node1 ~]# cobbler system add --help

定制安装意思就是我可以通过MAC地址给指定的机器安装系统，而且安装完成之后还可以对服务器做一些相对应的操作，那么我们上一篇文章最后已经安装了一台CentS-7的系统，那么我们现在就把这才系统给重装了，意思就是CentOS-7这台机器再重启之后会自动安装，并且主机名、IP等信息已经配置好了。

首先在CentOS-7这台机器上面获取网卡的MAC地址

[root@localhost ~]# ifconfig eth0

eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500

inet 192.168.56.138 netmask 255.255.255.0 broadcast 192.168.56.255

inet6 fe80::20c:29ff:feef:129e prefixlen 64 scopeid 0x20<link>

ether 00:0c:29:ef:12:9e txqueuelen 1000 (Ethernet)

RX packets 440 bytes 171477 (167.4 KiB)

RX errors 0 dropped 0 overruns 0 frame 0

TX packets 187 bytes 24788 (24.2 KiB)

TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

MAC地址就是00:0c:29:ef:12:9e

注意以下操作就是Cobbler服务端上面进行操作了

[root@linux-node1 ~]# cobbler system add --name=linux-node2.example.com --mac-address=00:0c:29:ef:12:9e --profile=CentOS-7-x86_64 --ip-address=192.168.56.12 --subnet=255.255.255.0 --gateway=192.168.56.2 --interface=eth0 --static=1 --hostname=linux-node2.example.com --name-servers=192.168.56.2 --kickstart=/var/lib/cobbler/kickstarts/CentOS-7-x86_64.cfg

[root@linux-node1 ~]# cobbler system list

# 这就是我们刚才添加的那台机器

linux-node2.example.com

重新启动CentOS-7这台机器，然后从网卡启动，启动之后会自动获取IP地址进行重装

cobbler-restart-os-01

cobbler-restart-os-02

安装完成后记得把启动模式调回硬盘启动哦，要不然又要无限制重装了

登陆系统验证配置信息

Last failed login: Sun May 29 16:10:54 CST 2016 from 192.168.56.1 on ssh:notty

There was 1 failed login attempt since the last successful login.

Last login: Sun May 29 16:10:07 2016

[root@linux-node2 ~]# hostname

linux-node2.example.com

[root@linux-node2 ~]# cat /etc/resolv.conf

# Generated by NetworkManager

search example.com

nameserver 192.168.56.2

[root@linux-node2 ~]# cat /etc/redhat-release

CentOS Linux release 7.2.1511 (Core)

[root@linux-node2 ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth0

# Generated by dracut initrd

NAME="eth0"

HWADDR=00:0C:29:EF:12:9E

ONBOOT=yes

NETBOOT=yes

UUID="6fb9ae6d-4a89-4d75-b201-045630b5e76e"

IPV6INIT=yes

BOOTPROTO=none

TYPE=Ethernet

DNS1=192.168.56.2

DEFROUTE=yes

IPV4_FAILURE_FATAL=no

IPV6_AUTOCONF=yes

IPV6_DEFROUTE=yes

IPV6_FAILURE_FATAL=no

IPADDR=192.168.56.12

PREFIX=24

GATEWAY=192.168.56.2

IPV6_PEERDNS=yes

IPV6_PEERROUTES=yes

[root@linux-node2 ~]# ifconfig

eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500

inet 192.168.56.12 netmask 255.255.255.0 broadcast 192.168.56.255

inet6 fe80::20c:29ff:feef:129e prefixlen 64 scopeid 0x20<link>

ether 00:0c:29:ef:12:9e txqueuelen 1000 (Ethernet)

RX packets 219 bytes 40464 (39.5 KiB)

RX errors 0 dropped 0 overruns 0 frame 0

TX packets 165 bytes 23647 (23.0 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 0 (Local Loopback)

RX packets 4 bytes 340 (340.0 B)

RX errors 0 dropped 0 overruns 0 frame 0

TX packets 4 bytes 340 (340.0 B)

TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

重装

当我们把客户机安装好之后如果要进行客户机重装，那么就需要以来一个软件包koan。

在客户机上安装koan软件包

1 2	[root@linux-node2 ~]# yum -y install koan # 默认的yum源是国外的，如果不能使用请配置成可用的yum源

获取cobbler服务端可以选择重装的profile(ks)

[root@linux-node2 ~]# koan --server=192.168.56.11 --list=profiles

- looking for Cobbler at http://192.168.56.11:80/cobbler_api

CentOS-7-x86_64

CentOS-6-x86_64

制定重装成CentOS-6-x86_64

1 2	[root@linux-node2 ~]# koan --replace-self --server=192.168.56.11 --profile=CentOS-6-x86_64 [root@linux-node2 ~]# reboot

最后重启系统网卡启动就会自动安装了，注意安装的时候是不需要选择的

cobbler-restart-os-03

正在安装

cobbler-restart-os-04

安装完成之后记得把取消网卡自动启动哦，避免重装。

(责任编辑：IT)

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