centos

centos cobbler如何安装配置

小樊
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2025-02-13 13:53:05
栏目: 智能运维

在CentOS上安装和配置Cobbler的步骤如下:

环境准备

  1. 关闭防火墙和SELinux:
systemctl stop firewalld
systemctl disable firewalld
sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config

安装Cobbler及相关依赖

  1. 安装EPEL源:
yum -y install epel-release
  1. 安装Cobbler及其依赖项:
yum -y install cobbler cobbler-web tftp-server dhcp httpd xinetd

启动Cobbler服务

  1. 启动Cobbler服务和HTTP服务,并设置开机启动:
systemctl start cobblerd
systemctl enable cobblerd
systemctl start httpd
systemctl enable httpd

配置Cobbler

  1. 编辑Cobbler的主要配置文件 /etc/cobbler/settings
cobbler setting edit --name=server --value=192.168.52.202
cobbler setting edit --name=next_server --value=192.168.52.203
cobbler setting edit --name=tftp_servers --value=yes
  1. 配置DHCP服务器:

编辑 /etc/dhcp/dhcpd.conf 文件,添加以下内容:

subnet 192.168.1.0 netmask 255.255.255.0 {
    range 192.168.1.100 192.168.1.200;
    option routers 192.168.1.1;
    option domain-name-servers 8.8.8.8, 8.8.4.4;
    filename "pxelinux.0";
    next-server 192.168.1.2;
}

192.168.1.0 替换为你的子网,将 192.168.1.1 替换为你的网关,将 192.168.1.2 替换为Cobbler服务器的IP地址。之后,重启DHCP服务器以应用更改:

systemctl restart dhcpd
  1. 配置TFTP服务器:

编辑 /etc/xinetd.d/tftp 文件,设置 server_args 参数:

server_args = -s /var/lib/tftpboot

然后,重启xinetd服务以应用更改:

systemctl restart xinetd
  1. 导入操作系统镜像:

将操作系统ISO镜像导入Cobbler,例如CentOS:

cobbler import --path=/centos7 --name=centos7.4 --arch=x86_64
  1. 创建和配置Kickstart文件:

创建一个Kickstart文件以定义自动化安装参数。例如:

cat > /var/lib/cobbler/kickstarts/centos7.ks <<EOL
installurl --url="http://$server/cobbler/ks_mirror/centos7"
rootpw --iscrypted `$default_password_crypted'
firewall --disabled
EOL

使用以下命令创建一个新的Cobbler配置文件:

cobbler profile edit --name centos7 --kickstart /var/lib/cobbler/kickstarts/centos7.ks
  1. 设置PXE启动:
cobbler system add --name centos7 --profile centos7 --netboot-enabled true
  1. 提交更改:
cobbler sync

现在,你已经成功安装并配置了Cobbler。当客户端计算机通过PXE启动时,Cobbler将自动部署CentOS 7操作系统。

有关Cobbler的详细信息和高级配置选项,请参阅 Cobbler官方文档

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