[root@node ~]#cobbler check
1.2.4 进行语法检查处理出现的错误
[root@node ~]# 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.
1.2.5 解决当中的报错
cp /etc/cobbler/settings{,.bak} --个人习惯，修改前备份文件
使用以下命令集处理：
[root@node ~]#sed -i ‘s/server: 127.0.0.1/server: 192.168.101.171/‘ /etc/cobbler/settings
[root@node~]#sed -i ‘s/next_server: 127.0.0.1/next_server: 192.168.101.171/‘ /etc/cobbler/settings
[root@node ~]#sed -i ‘s/manage_dhcp: 0/manage_dhcp: 1/‘ /etc/cobbler/settings
[root@node ~]#sed -i ‘s/pxe_just_once: 0/pxe_just_once: 1/‘ /etc/cobbler/settings
[root@node ~]#sed -ri "/default_password_crypted/s#(.: ).#\1\"openssl passwd -1 -salt ‘enkj‘ ‘123456‘\"#" /etc/cobbler/settings
[root@node ~]#sed -i ‘s#yes#no#‘ /etc/xinetd.d/tftp
[root@node ~]#sed -i.ori ‘s#192.168.1#192.168.101#g;22d;23d‘ /etc/cobbler/dhcp.template
[root@node ~]# cobbler get-loaders
[root@node ~]# yum -y install cman fence-agents
[root@node ~]# ls /var/lib/cobbler/loaders --查看下载的文件
COPYING.elilo elilo-ia64.efi menu.c32 yaboot
COPYING.syslinux grub-x86_64.efi pxelinux.0
COPYING.yaboot grub-x86.efi README
修改完成后重启各项服务
[root@node ~]#systemctl restart cobblerd
再用cobbler check检测无报错后
[root@node ~]# cobbler sync
错误详解
解决1、2:修改为正确的IP地址
sed -i ‘s/server: 127.0.0.1/server: 192.168.101.171/‘ /etc/cobbler/settings
sed -i ‘s/next_server: 127.0.0.1/next_server: 192.168.101.171/‘ /etc/cobbler/settings
问题3：解决tftp开机启动
sed ‘s#yes#no#g‘ /etc/xinetd.d/tftp -i
问题4下载包所需的软件包
[root@node ~]# cobbler get-loaders
[root@node ~]# 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
问题5：启动rsync服务
[root@node ~]# systemctl start rsyncd.service
[root@node ~]# systemctl enable rsyncd.service
问题6： debian相关无需修改
问题7：用ssl修改安装完成后的root密码
openssl passwd -1 -salt ‘random-phrase-here‘ ‘your-password-here‘
random-phrase-here 随机字符串
your-password-here 密码
2、开始安装操作系统
2.1操作说明--导入镜像
2.1.1在虚拟机上添加上镜像

2)挂载上镜像
[root@node ~]#mkdir /mnt/cdrom
[root@node ~]#mount /dev/cdrom /mnt/cdrom
mount: /dev/sr0 is write-protected, mounting read-only
[root@node ~]# df -h |grep mnt
/dev/sr0 4.3G 4.3G 0 100% /mnt
3)进行导入镜像,我是用命令行导入
[root@node ~]#cobbler import --path=/mnt/cdrom --name=CentOS-7-x86_64
?日志位于 Events

导入完成后生成的文件夹
[root@node ks_mirror]# pwd
/var/www/cobbler/ks_mirror
[root@node ks_mirror]# ls
CentOS-7-x86_64 config
[root@node ~]#cobbler distro list #系统列表
CentOS-7-x86_64
[root@node ~]#cobbler profile list #应答文件列表
CentOS-7-x86_64
把应答文件删除后，再添加新的应答文件
[root@node ~]# cobbler profile remove --name=CentOS-7-x86_64
[root@node ~]# cobbler profile list
[root@node~]# cp centos7-mini-lvm.cfg centos7-mini-nolvm.cfg /var/lib/cobbler/kickstarts/
[root@node-1 ~]# cobbler distro list
CentOS-7-x86_64
[root@node~]# cobbler profile add --name=CentOS-7-x86_64-lvm --distro=CentOS-7-x86_64 --kickstart=/var/lib/cobbler/kickstarts/centos7-mini-lvm.cfg
[root@node~]# cobbler profile add --name=CentOS-7-x86_64-nolvm --distro=CentOS-7-x86_64 --kickstart=/var/lib/cobbler/kickstarts/centos7-mini-nolvm.cfg
[root@node-1 ~]# cobbler distro list
CentOS-7-x86_64
[root@node-1 ~]# cobbler profile list
CentOS-7-x86_64-lvm
CentOS-7-x86_64-nolvm
3、应答文件生产实例
3.1 centos7-mini-nolvm.cfg文件（无逻辑卷分区模式）内容如下：
#Cobbler for Kickstart Configurator for CentOS 7 by wangtao
#platform=x86, AMD64, or Intel EM64T
#System language
lang en_US
#System keyboard
keyboard us
#Sytem timezone
timezone Asia/Shanghai
#Root password
rootpw --iscrypted $default_password_crypted
#Use text mode install
text
#Install OS instead of upgrade
install
#Use NFS installation Media
url --url=$tree
#System bootloader configuration
bootloader --location=mbr
#Clear the Master Boot Record
zerombr
#Partition clearing information
clearpart --all --initlabel
#Disk partitioning information
part /boot --fstype xfs --size 1024 --ondisk sda
part swap --size 4096 --ondisk sda
part / --fstype xfs --size 1 --grow --ondisk sda
#System authorization infomation
auth --useshadow --enablemd5
#Network information
$SNIPPET(‘network_config‘)
#network --bootproto=dhcp --device=eth0 --onboot=on

Reboot after installation

reboot
#Firewall configuration
firewall --disabled
#SELinux configuration
selinux --disabled
#Do not configure XWindows
skipx

%pre
$SNIPPET(‘log_ks_pre‘)
$SNIPPET(‘kickstart_start‘)
$SNIPPET(‘pre_install_network_config‘)

Enable installation monitoring

$SNIPPET(‘pre_anamon‘)
%end

#Package install informationbr/>%packages
@^minimal
@compat-librariesbr/>@core
@debuggingbr/>@development
bash-completion
chrony
screen
dos2unix
kexec-tools
lrzsz
sysstat
tree
vim
wget
net-tools
%end

%post
systemctl disable postfix NetworkManager
systemctl disable abrt-ccpp abrtd abrt-oops abrt-vmcore auditd irqbalance
systemctl disable kdump remote-fs tuned abrt-xorg
reboot
%end
3.2 centos7-mini-lvm.cfg文件（有逻辑卷分区模式）与上面的内容差不多，区别在分区上。#Disk partitioning information中不同的部分写在下面：
#Disk partitioning information
part /boot --fstype="xfs" --ondisk=sda --size=1024
part pv.154 --fstype="lvmpv" --ondisk=sda --grow
volgroup centos --pesize=4096 pv.154
logvol swap --fstype="swap" --size=2048 --name=swap --vgname=centos
logvol / --fstype="xfs" --grow --size=10240 --name=root --vgname=centos

跟高手学习LINUX笔记26--cobbler实践之从安装到应用