实战-使用 Cobbler 安装一台 CentOS 主机
安装 CentOS 主机之前,需要安装好 Cobbler 服务端。本文档使用的是 VMware Workstation Pro 14 来安装 CentOS 主机,网络模式需要和 Cobbler 服务端的网络模式相同。
环境:
CentOS Linux release 7.6.1810
VMware Workstation Pro 14安装一台主机
当前为虚拟机操作,虚拟机默认为 PXE 引导,如果是生产环境请进入 BIOS 修改 PXE 引导。新建虚拟机
https://www.linuxprobe.com/wp-content/uploads/2020/01/1-48.pnghttps://www.linuxprobe.com/wp-content/uploads/2020/01/2-27.pnghttps://www.linuxprobe.com/wp-content/uploads/2020/01/3-17.pnghttps://www.linuxprobe.com/wp-content/uploads/2020/01/4-15.png注:硬盘给 100G,给大一些。如果给 20G 后期在重安装系统时,可能会提示空间太小。https://www.linuxprobe.com/wp-content/uploads/2020/01/5-17.png自定义配置
https://www.linuxprobe.com/wp-content/uploads/2020/01/6-15.pnghttps://www.linuxprobe.com/wp-content/uploads/2020/01/7-13.png注: Cobbler 服务端的网络就是桥接,所以这里修改新建的主机与 Cobbler 服务端在同一网络环境。https://www.linuxprobe.com/wp-content/uploads/2020/01/8-11.png开机https://www.linuxprobe.com/wp-content/uploads/2020/01/9-10.png选择 CentOS-7.6-x86_64https://www.linuxprobe.com/wp-content/uploads/2020/01/10-8.pnghttps://www.linuxprobe.com/wp-content/uploads/2020/01/11-9.png如果遇到 write error: No space left on device 报错,则需要把虚拟机的内存调大一点:https://www.linuxprobe.com/wp-content/uploads/2020/01/12-8.pnghttps://www.linuxprobe.com/wp-content/uploads/2020/01/13-8.png关机,把内存调大:https://www.linuxprobe.com/wp-content/uploads/2020/01/14-8.png再开机:https://www.linuxprobe.com/wp-content/uploads/2020/01/15-6.png选择 CentOS-7.6-x86_64https://www.linuxprobe.com/wp-content/uploads/2020/01/16-6.png注:虚拟机默认就是 PXE 启动,所以不需要手动配置启动首选项为 PXE。这里说明一下,该机制为 Cobbler 的防止误安装,20 秒无响应就会从本地硬盘启动。后续自动化安装我们可以让它不提示。加载引导文件https://www.linuxprobe.com/wp-content/uploads/2020/01/17-5.png已经在安装中了, 默认是最小化安装,大概 316个包:https://www.linuxprobe.com/wp-content/uploads/2020/01/18-4.png安装完成:用户名 root 密码 123456https://www.linuxprobe.com/wp-content/uploads/2020/01/19-3.pnghttps://www.linuxprobe.com/wp-content/uploads/2020/01/20-2.pngping 192.168.1.7 可以 ping 通。https://www.linuxprobe.com/wp-content/uploads/2020/01/21-1.pngping www.163.com 可以 ping 通。https://www.linuxprobe.com/wp-content/uploads/2020/01/22.png
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