运维学习之自动化安装系统的配置
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packags needed
need packages：
system-config-kickstart ##自动应答脚本制作工具
syslinux ##获得pxelinux.0文件安装包
dhcp ##分配ip给客户机的服务
tftp-server ##提供tftp协议的服务
httpd ##安装源共享服务
#########################config file rules#####################################
No.1 FIST CONFIG DHCP ##配置dhcp配置文件
config /etc/dhcpd/dhcpd.conf like this:
===============================================================
option domain-name "example.com"; ##域名
option domain-name-servers 192.168.0.79; ##dns
default-lease-time 600; ##默认租约期
max-lease-time 7200; ##最长租约期
log-facility local7; ##日志级别
subnet 192.168.0.0 netmask 255.255.255.0 { ##网段，子网掩码
range 192.168.0.102 192.168.0.111; ##地址范围
option routers 192.168.0.254; ##网关
filename "pxelinux.0"; ##pxe启动程序
next-server 192.168.0.79; ##tftp主机地址
}
systemctl restart dhcpd
systemctl stop firewalld
No.2 SED CONFIG TFTP
config /etc/xinetd.d/tftp like this:
service tftp
{
socket_type = dgram
protocol = udp
wait = yes
user = root
server = /usr/sbin/in.tftpd
server_args = -s /var/lib/tftpboot
disable = <<<<<<<<<yes--->no>>>>>>
per_source = 11
cps = 100 2
flags = IPv4
}
systemctl restart xinetd
virt_install.sh
No.3 TRD MAKE SOME FILES AND PXEWORKDIRECTORY
1)
cd /var/lib/tftpboot/
mkdir pxelinux.cfg
2)
mount the iso of the rhel7
cp isolinux/* /var/lib/tftpboot
3)
cp /var/lib/tftpboot/isolinux.cfg /var/lib/tftpboot/pxelinux.cfg/default
cp /usr/share/syslinux/pxelinux.0 /var/lib/tftpboot/
所执行过的操作
4)
make a userfully install source and kickstart,my of this is in the ftp‘s pub
ftp://192.168.0.252/pub/rhel6
ftp://192.168.0.252/pub/ks.cfg
5)
config the file of /var/lib/tftpboot/pxelinux.cfg/default like this:
========================================================================================
default vesamenu.c32
timeout 600 ##等待时间
display boot.msg
# Clear the screen when exiting the menu, instead of leaving the menu displayed.
# For vesamenu, this means the graphical background is still displayed without
# the menu itself for as long as the screen remains in graphics mode.
menu clear
menu background splash.png
menu title Red Hat Enterprise Linux 7.0 ##大标题
menu vshift 8
menu rows 18
menu margin 8
#menu hidden
menu helpmsgrow 15
menu tabmsgrow 13
# Border Area
menu color border * #00000000 #00000000 none
# Selected item
menu color sel 0 #ffffffff #00000000 none
# Title bar
menu color title 0 #ff7ba3d0 #00000000 none
# Press [Tab] message
menu color tabmsg 0 #ff3a6496 #00000000 none
# Unselected menu item
menu color unsel 0 #84b8ffff #00000000 none
# Selected hotkey
menu color hotsel 0 #84b8ffff #00000000 none
# Unselected hotkey
menu color hotkey 0 #ffffffff #00000000 none
# Help text
menu color help 0 #ffffffff #00000000 none
# A scrollbar of some type? Not sure.
menu color scrollbar 0 #ffffffff #ff355594 none
# Timeout msg
menu color timeout 0 #ffffffff #00000000 none
menu color timeout_msg 0 #ffffffff #00000000 none
# Command prompt text
menu color cmdmark 0 #84b8ffff #00000000 none
menu color cmdline 0 #ffffffff #00000000 none
# Do not display the actual menu unless the user presses a key. All that is displayed is a timeout message.
menu tabmsg Press Tab for full configuration options on menu items.
menu separator # insert an empty line
menu separator # insert an empty line
label linux
menu label ^Install Red Hat Enterprise Linux 7.0 ##小标题
menu default ##默认标题设定
kernel vmlinuz
append initrd=initrd.img repo=http://172.25.254.100/soucre ks=http://172.25.254.100/ks.cfg ##安装源和ks
label check
menu label Test this ^media & install Red Hat Enterprise Linux 7.0
#menu default
kernel vmlinuz
append initrd=initrd.img inst.stage2=hd:LABEL=RHEL-7.0\x20Server.x86_64 rd.live.check quiet
图形界面配置ks.cfg
最后安装界面的样式
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