1 #!/bin/bash
2
3 # 配置管理IP
4 #vi /etc/sysconfig/network-scripts/ifcfg-ens192
5
6 # 配置pxe IP 192.168.0.1/24 不能更换成其他IP
7 #vi /etc/sysconfig/network-scripts/ifcfg-ens224
8
9 # 配置主机名 pxe-server
10 hostname pxe-server
11 echo pxe-server > /etc/hostname
12
13 # 创建存放iso的目录 /mnt/iso
14 mkdir -p /mnt/iso
15
16 # 下载最新版 CentOS6 和 CentOS7 iso文件(随着版本的更新，镜像网站将停止老版本的下载支持，需要自己搞定iso下载)
17 #wget -P /mnt/iso ftp://10.12.28.8/ops/Linux-ISO/CentOS-6.10-x86_64-bin-DVD1.iso
18 #wget -P /mnt/iso ftp://10.12.28.8/ops/Linux-ISO/CentOS-6.10-x86_64-bin-DVD2.iso
19 #wget -P /mnt/iso ftp://10.12.28.8/ops/Linux-ISO/CentOS-7-x86_64-Everything-1908.iso
20
21 #### 自动化配置基础环境
22
23 # 配置阿里云YUM源
24 curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
25
26 # 安装EPEL
27 yum install -y epel-release
28
29 # 配置阿里云EPEL源
30 curl -o /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo
31
32 # 安装常用软件
33 yum install -y vim wget lftp net-tools bash-completion jq git sysstat lrzsz
34
35 # 禁用防火墙
36 systemctl stop firewalld && systemctl disable firewalld
37
38 # 关闭SELinux
39 setenforce 0 && getenforce
40 sed -i 's/SELINUX=enforcing/SELINUX=disabled/' /etc/selinux/config
41
42 # 优化SSH访问速度
43 echo 'UseDNS no' >> /etc/ssh/sshd_config
44 systemctl restart sshd.service
45 echo 'StrictHostKeyChecking no' >> /etc/ssh/ssh_config
46
47 # 为 rc.local文件添加执行权限，该文件在CentOS7中默认没有执行权限
48 chmod +x /etc/rc.d/rc.local
49
50 #### 自动化部署 DHCP 服务
51
52 # 安装 DHCP 服务
53 yum install -y dhcp
54
55 # 配置 DHCP 服务
56 echo '
57 subnet 192.168.0.0 netmask 255.255.255.0 {
58 range 192.168.0.100 192.168.0.200 ;
59 next-server 192.168.0.1 ;
60 filename "pxelinux.0" ;
61 }
62 ' > /etc/dhcp/dhcpd.conf
63
64 # 启动 DHCP 服务，并设置开机自启动
65 systemctl restart dhcpd
66 systemctl enable dhcpd
67
68 #### 自动化部署 TFTP 服务
69
70 # 安装 TFTP 服务
71 yum install -y tftp-server xinetd
72
73 # 配置 TFTP 服务
74 sed -i '14s/yes/no/' /etc/xinetd.d/tftp
75
76 # 启动 TFTP 服务，并设置开机自启动
77 systemctl restart xinetd
78 systemctl enable xinetd
79
80 #### 自动化部署 FTP 服务
81
82 # 安装 FTP 服务
83 yum install -y vsftpd
84
85 # 配置 FTP 默认目录位置到 /mnt/ftp
86 mkdir -p /mnt/ftp
87 echo 'anon_root=/mnt/ftp' >> /etc/vsftpd/vsftpd.conf
88
89 # 启动 FTP 服务，并设置开机自启动
90 systemctl restart vsftpd
91 systemctl enable vsftpd
92
93 #### 自动化配置 PXE 核心配置部分
94
95 # 安装 syslinux
96 yum install -y syslinux
97
98 # 拷贝 pxelinux.0 到 TFTP 目录下
99 cp /usr/share/syslinux/pxelinux.0 /var/lib/tftpboot/
100
101 # 挂载 CentOS6.10 iso到 /mnt/ftp/centos/centos610，并设置开机自动挂载
102 mkdir -p /mnt/ftp/centos/centos610
103 mount /mnt/iso/CentOS-6.10-x86_64-bin-DVD1.iso /mnt/ftp/centos/centos610
104 echo 'mount /mnt/iso/CentOS-6.10-x86_64-bin-DVD1.iso /mnt/ftp/centos/centos610' >> /etc/rc.d/rc.local
105
106 # 挂载 CentOS7.7 iso到 /mnt/ftp/centos/centos77，并设置开机自动挂载
107 mkdir -p /mnt/ftp/centos/centos77
108 mount /mnt/iso/CentOS-7-x86_64-Everything-1908.iso /mnt/ftp/centos/centos77
109 echo 'mount /mnt/iso/CentOS-7-x86_64-Everything-1908.iso /mnt/ftp/centos/centos77' >> /etc/rc.d/rc.local
110
111 # 拷贝 CentOS7.7 光盘中 isolinux 目录下所有文件到 TFTP目录
112 cp /mnt/ftp/centos/centos77/isolinux/* /var/lib/tftpboot/
113
114 # 拷贝 CentOS6.10 光盘中引导文件到 TFTP目录，因为与默认CentOS7的重名，需要改下名字
115 cp /mnt/ftp/centos/centos610/isolinux/initrd.img /var/lib/tftpboot/initrd6.img
116 cp /mnt/ftp/centos/centos610/isolinux/vmlinuz /var/lib/tftpboot/vmlinuz6
117
118 # 创建PXE核心配置文件
119 mkdir -p /var/lib/tftpboot/pxelinux.cfg
120 cp /var/lib/tftpboot/isolinux.cfg /var/lib/tftpboot/pxelinux.cfg/default
121
122 # 设置PXE工具标题：CentOS PXE Install Tools
123 sed -i 's/menu title CentOS.*/menu title CentOS PXE Install Tools/' /var/lib/tftpboot/pxelinux.cfg/default
124
125 # 删掉默认光盘启动菜单内容
126 sed -i '61,200d' /var/lib/tftpboot/pxelinux.cfg/default
127
128 # 全新启动菜单：
129 # Boot From Local Disk 默认值，从本地磁盘启动，防止误装机
130 # Install CentOS 7.7 Automatic 自动执行 CentOS7.7 最小化安装
131 # Install CentOS 7.7 Manual 手动安装 CentOS7.7
132 # Install CentOS 6.10 Automatic 自动执行 CentOS6.10 最小化安装
133 # Install CentOS 6.10 Manual 手动安装 CentOS6.10
134 echo '
135 label boot from local
136 menu label Boot From Local Disk
137 menu default
138 localboot 0xffff
139
140 label linux
141 menu label Install CentOS 7.7 Automatic
142 kernel vmlinuz
143 append initrd=initrd.img ks=ftp://192.168.0.1/ks/centos7.cfg
144
145 label linux
146 menu label Install CentOS 7.7 Manual
147 kernel vmlinuz
148 append initrd=initrd.img method=ftp://192.168.0.1/centos/centos77
149
150 label linux
151 menu label Install CentOS 6.10 Automatic
152 kernel vmlinuz6
153 append initrd=initrd6.img ks=ftp://192.168.0.1/ks/centos6.cfg
154
155 label linux
156 menu label Install CentOS 6.10 Manual
157 kernel vmlinuz6
158 append initrd=initrd6.img method=ftp://192.168.0.1/centos/centos610
159
160 menu separator # insert an empty line
161
162 ' >> /var/lib/tftpboot/pxelinux.cfg/default
163
164 # 创建 Kickstart.cfg 文件ftp目录
165 mkdir -p /mnt/ftp/ks
166
167 # 生成 CentOS7.7 Kickstart.cfg 文件
168 echo '
169 #platform=x86, AMD64, or Intel EM64T
170 #version=DEVEL
171 # Install OS instead of upgrade
172 install
173 # System keyboard
174 keyboard us
175 # System language
176 lang en_US
177 # Root password
178 rootpw --plaintext cnblogs.C0M
179 # System authorization information
180 auth --useshadow --passalgo=sha512
181 # Use graphical install
182 graphical
183 firstboot --disable
184 # SELinux configuration
185 selinux --disabled
186 # Firewall configuration
187 firewall --disabled
188 # Reboot after installation
189 reboot
190 # System timezone
191 timezone Asia/Shanghai
192 # System bootloader configuration
193 bootloader --location=mbr
194 # Clear the Master Boot Record
195 zerombr
196 # Partition clearing information
197 clearpart --all
198
199 # Use network installation
200 url --url="ftp://192.168.0.1/centos/centos77"
201 # Disk partitioning information
202 part /boot --fstype="xfs" --size=1024
203 part swap --fstype="swap" --size=2048
204 part / --fstype="xfs" --grow --size=1
205
206 %packages
207 @base
208 %end
209 ' > /mnt/ftp/ks/centos7.cfg
210
211 # 生成 CentOS6.10 Kickstart.cfg 文件
212 echo '
213 #platform=x86, AMD64, or Intel EM64T
214 #version=DEVEL
215 # Install OS instead of upgrade
216 install
217 # System keyboard
218 keyboard us
219 # System language
220 lang en_US
221 # Root password
222 rootpw --plaintext cnblogs.C0M
223 # System authorization information
224 auth --useshadow --passalgo=sha512
225 # Use graphical install
226 graphical
227 firstboot --disable
228 # SELinux configuration
229 selinux --disabled
230 # Firewall configuration
231 firewall --disabled
232 # Reboot after installation
233 reboot
234 # System timezone
235 timezone Asia/Shanghai
236 # System bootloader configuration
237 bootloader --location=mbr
238 # Clear the Master Boot Record
239 zerombr
240 # Partition clearing information
241 clearpart --all
242
243 # Use network installation
244 url --url="ftp://192.168.0.1/centos/centos610"
245 # Disk partitioning information
246 part /boot --fstype="ext4" --size=1024
247 part swap --fstype="swap" --size=2048
248 part / --fstype="ext4" --grow --size=1
249
250 %packages
251 @base
252 %end
253 ' > /mnt/ftp/ks/centos6.cfg
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