default文件、centos_menu、ks.cfg 文件

最新推荐文章于 2023-12-08 14:42:48 发布

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本文详细介绍了PXE网络安装的配置过程，包括pxelinux.cfg的default文件配置，以及针对CentOS不同版本的安装菜单设置。深入解析了ks.cfg文件的参数，如网络设置、系统语言、分区方案及软件包选择，为网络批量部署提供了实用指南。

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PXE 中的pxelinux.cfg中的default文件

#cat  default
default menu.c32
prompt 0 
timeout  60
ONTIMEOUT local
MENU  TITLE  Main Menu
LABEL  local
 MENU  LABEL Boot  local  hard  drive
 LOCALBOOT  0
LABEL CentOS Linux 
 MENU  LABEL CentOS  Linux
 KERNEL  menu.c32
 APPPEND pxelinux.cgf/centos_menu
LABEL Debian Linux
 MENU LABEL Debian Linux
 KERNEL  menu.c32
 APPEND  pxelinux.cfg/debian_menu
LABEL Window Setup
 MENU LABEL Window Setup
 KERNEL  menu.c32
 APPEND  pxelinux.cfg/window_menu

centos_menu 配置

#cat  centos_menu
LABEL CentOS7
 MENU LABEL CentOS 7  install
 KERNEL centos7/vmlinuz
 APPEND initrd=centos7/initrd.img  ks=http://192.168.2.254/ks7.cfg  ksdevice=bootif console=tty0  console=ttyS0,115200
LABEL CentOS6
 MENU LABEL CentOS 6  install
 KERNEL centos7/vmlinuz
 APPEND initrd=centos6/initrd.img  ks=http://192.168.2.254/ks6.cfg  ksdevice=bootif console=tty0  console=ttyS0,115200
LABEL rescue
 MENU LABEL CentOS rescue mode
 KERNEL centos7/vmlinuz
 APPEND initrd=centos7/initrd.img  ks=http://192.168.2.254/ks.cfg  ksdevice=bootif console=tty0  console=ttyS0,115200

ks.cfg 文件


#platform=x86, AMD64, 或 Intel EM64T
#version=DEVEL
#Install OS instead of upgrade
install
#Keyboard layouts
keyboard 'us'
#Root password
rootpw --iscrypted $1$becav3Xl$q1lGfdGZwDyQ2AzTIHYvB/
#Use network installation
url --url="http://192.168.122.6/var/www/html/RHEL"
#System language
lang zh_CN
#System authorization information
auth  --useshadow  --passalgo=sha512
#Use graphical install
graphical
firstboot --disable
#SELinux configuration
selinux --disabled
#Firewall configuration
firewall --disabled
#Network information
network  --bootproto=dhcp --device=eth0
#Reboot after installation
reboot
#System timezone
timezone Asia/Shanghai
#System bootloader configuration
bootloader --location=mbr
#Clear the Master Boot Record
zerombr
#Partition clearing information
clearpart --all --initlabel
#Disk partitioning information
part / --fstype="ext4" --grow --size=1
part /boot --fstype="xfs" --grow --size=1
part /home --fstype="ext4" --grow --size=1
part /tmp --fstype="xfs" --grow --size=1
part swap --fstype="swap" --size=1024
%packages --nobase
@Core  --nodefaults
-iwl3160-firmware
-iwl6000g2b-firmware
-iwl2030-firmware
-alsa-tools-firmware
-aic94xx-firmware
-postfixe
-audit
-tuned
chrony
psmisc
net-tools
screen
vim-enhanced
tcpdump
lrzsz
ltrace
strace
traceroute
whois
bind-utils
tree
mlocate
rsync
lsof
lftp
patch
diffutils
cpio
time
nmap
socat
man-pages
rpm-build
createrepo
%end
%pre
%end
%post --interpreter=/bin/bash
useradd lisi
echo  123 | passwd --stdin lisi
rm  -f  /etc/yum.repos.d/*.repo
cat  >/etc/yum.repos.d/local.repo  << 'EOF'
[local_repo]
name=centos
baseurl=http://192.168.2.254/RHEL
enabled=1
gpgcheck=1
EOF
rpm  -import  http://192.168.2.254/RHEL/RPM-GPG-KEY-CentOS-7
yum erase  -y  NetworkManager  NetworkManager-libnm  kexec-tools firewalld-filesystem polkit
sed  's/^CRONDARGS=.*/&" -m off "/ -i  /etc/sysconfig/crond
sed  's/^\(OPTIONS=\).*/\1"-4"/'  -i /etc/sysconfig/chronyd
sed 's/^server .*,&\ncmdallow  127.0.0.1/' -i /etc/chrony.conf
sed  's/^#\(terminfo  xterm \x27is.*\)/\1\nterm  xterm/'  -i /etc/screenrc
cat  >>/etc/sysconfig/network  <<'EOF'
IPV6INIT="no"
NETWORING="yes"
NOZEROCONF="yes"
EOF
echo  -e "# ::1\t\tlocalhost  localhost.localdomian  localhost6 localhost6.localdomain6" >/etc/hosts
echo  -e "127.0.0.1\tlocalhost  localhost.localdomain  localhost4 localhost4.localdomain4"  >>/etc/hosts
echo  -e 'export  TZ='Asia/Shanghai' PYTHONSTARTUP="/usr/lib64/python2.7/pystartup.py"  tmout=7200' >/etc/profile.d/environ.sh
echo -e "blacklist acpi_pad\nblacklist power_meter" >/etc/modprobe.d/blacklist.conf
cat  >/usr/lib64/python2.7/pystartup.py <<'EOF'
#!/usr/bin/python
#-*- coding:utf_8 -*-
#from_future_import print_function
from  rlcompleter  import readline
readline.parse_and_bind("tab:Complete")
EOF
cat >/etc/sysctl.d/70-system.conf  <<'EOF'
net.ipv4.ip_forward = 1
net.ipv4.ip_default_ttl = 255
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.lo.disable_ipv6 = 0
net.ipv4.conf.default.rp_filter = 1
net.ipv4.conf.all.arp_ignore = 1
net.ipv4.conf.all.arp_announce =2
kernel.sysrq = 16
vm.swappiness = 0
EOF
#config vimrc
cat  >> /etc/vimrc <<'EOF'
set  wrapscan
set  noautoindent
set  showmatch
set  binary
set  noswapfile
set  ignorecase            "Do case  insensitive  matching"
set  foldmethod=syntax
set  foldevel=100
filetype  plugin  off
EOF
sed  -e 's/^#\(Port\).*/\1  10022/' 
    -e 's/^#\(ListenAddress  0.0.0.0\)/ \1/' \
    -e 's/^#\(PermitRootLogin\).*/\1  yes/' \
    -e 's/^#\(MaxAuthTries\).*/\1 3/' \
    -e 's/^#\(UseDNS\).*/\1 no/' -i /etc/ssh/sshd_config
cat  > /etc/sysconfig/network-scripts/ifcfg-eth0  <<'EOF'
#Generated  by dracut  initrd
DEVICE="eth0"
ONBOOT="yes"
IPV6INIT="no"
IPV4_FAILURE_FATAL="no"
TYPE="Ethernet"
BOOTPROTO="dhcp"
EOF
%end