# 查看 selinux 和防火墙是否关闭
[root@Cobbler ~] getenforce
Disabled

[root@Cobbler ~] systemctl status firewalld.service
● firewalld.service - firewalld - dynamic firewall daemon
   Loaded: loaded (/usr/lib/systemd/system/firewalld.service; disabled; vendor preset: enabled)
   Active: inactive (dead)
     Docs: man:firewalld(1)

[root@Cobbler ~] curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
[root@Cobbler ~] curl -o /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo
[root@Cobbler ~] yum clean all
[root@Cobbler ~] yum makecache

[root@Cobbler ~] yum -y install cobbler cobbler-web dhcp tftp-server pykickstart httpd

[root@Cobbler ~] systemctl start httpd.service
[root@Cobbler ~] systemctl start cobblerd.service

[root@Cobbler ~] cobbler check

$ chkconfig httpd on
$ chkconfig cobblerd on
$ chkconfig dhcpd on
$ /etc/init.d/httpd restart
$ /etc/init.d/cobblerd restart
$ /etc/init.d/dhcpd restart

[root@Cobbler ~] cobbler check
The following are potential configuration items that you may want to fix:

1 : The 'server' field in /etc/cobbler/settings must be set to something other than localhost, or kickstarting features will not work.  This should be a resolvable hostname or IP for the boot server as reachable by all machines that will use it.

2 : For PXE to be functional, the 'next_server' field in /etc/cobbler/settings must be set to something other than 127.0.0.1, and should match the IP of the boot server on the PXE network.

3 : change 'disable' to 'no' in /etc/xinetd.d/tftp

4 : Some network boot-loaders are missing from /var/lib/cobbler/loaders, you may run 'cobbler get-loaders' to download them, or, if you only want to handle x86/x86_64 netbooting, you may ensure that you have installed a *recent* version of the syslinux package installed and can ignore this message entirely.  Files in this directory, should you want to support all architectures, should include pxelinux.0, menu.c32, elilo.efi, and yaboot. The 'cobbler get-loaders' command is the easiest way to resolve these requirements.

5 : enable and start rsyncd.service with systemctl

6 : debmirror package is not installed, it will be required to manage debian deployments and repositories

7 : The default password used by the sample templates for newly installed machines (default_password_crypted in /etc/cobbler/settings) is still set to 'cobbler' and should be changed, try: "openssl passwd -1 -salt 'random-phrase-here' 'your-password-here'" to generate new one

8 : fencing tools were not found, and are required to use the (optional) power management features. install cman or fence-agents to use them

Restart cobblerd and then run 'cobbler sync' to apply changes.

[root@Cobbler ~] cp /etc/cobbler/settings{,.ori}  # 备份
[root@Cobbler ~] sed -i 's/server: 127.0.0.1/server: your_address/' /etc/cobbler/settings  # fix 1 
[root@Cobbler ~] sed -i 's/next_server: 127.0.0.1/next_server: your_address/' /etc/cobbler/settings  # fix 2
[root@Cobbler ~] sed 's#yes#no#g' /etc/xinetd.d/tftp -i  # fix 3
[root@Cobbler ~] cobbler get-loaders  # fix 4
[root@Cobbler ~] ls  /var/lib/cobbler/loaders
COPYING.elilo     elilo-ia64.efi   menu.c32    yaboot
COPYING.syslinux  grub-x86_64.efi  pxelinux.0
COPYING.yaboot    grub-x86.efi     README
[root@Cobbler ~] systemctl start rsyncd.service  # fix 5
[root@Cobbler ~] systemctl enable rsyncd.service  # fix 5
[root@Cobbler ~] openssl passwd -1 -salt 'random-phrase-here' 'your-password-here'  # just show 
$1$random-p$AOw9RDIWQm6tfUo9Ediu/0
[root@Cobbler ~] sed -ri "/default_password_crypted/s#(.*: ).*#\1\"`openssl passwd -1 -salt 'random-phrase-here' 'your-password-here'`\"#" /etc/cobbler/settings  # fix 7
[root@Cobbler ~] sed -i 's/manage_dhcp: 0/manage_dhcp: 1/' /etc/cobbler/settings  # 配置 dhcp 服务
[root@Cobbler ~] sed -i 's/pxe_just_once: 0/pxe_just_once: 1/' /etc/cobbler/settings  # 防止循环安装
[root@Cobbler ~] sed -i.ori 's#192.168.1#172.16.1#g;22d;23d' /etc/cobbler/dhcp.template  # 修改 dhcp 配置

# 重启一些服务
[root@Cobbler ~] systemctl start rsyncd
[root@Cobbler ~] systemctl enable rsyncd
[root@Cobbler ~] systemctl enable tftp.socket
[root@Cobbler ~] systemctl start tftp.socket
[root@Cobbler ~] systemctl restart cobblerd.service
[root@Cobbler ~] cobbler sync  # 同步配置

$ mkdir -p /mnt/ubuntu18
$ mount -t iso9660 -r -o ro,loop /tmp/ubuntu-18.04.3-server-amd64.iso /mnt/ubuntu18

$ cobbler import --path=/mnt/ubuntu18 --name=ubuntu-18.04.3 --kickstart=/var/lib/cobbler/kickstarts/ubuntu18043.seed --arch=x86_64
$ cobbler list
distros:
   ubuntu-18.04-hwe-x86_64
   ubuntu-18.04-x86_64

profiles:
   ubuntu-18.04-hwe-x86_64
   ubuntu-18.04-x86_64

systems:

repos:
   ubuntu-18.04-hwe-x86_64
   ubuntu-18.04-x86_64

images:

mgmtclasses:

packages:

files:

1. 打开 $cobblerIP/cobbler_web
2. 账户密码默认都是 cobbler
3. 左侧选择 import DVD
4. Prefix 自定义，Arch 选择 x_86-64，Breed 选择 Ubuntu
5. Path 则输入挂载点，也就是 /mnt/ubuntu18
6. 点击 Run，进入 Task Log 查看导入结果