RHEL网络安装刀片服务器

之前《RHEL在VLAN Trunk模式下的IP地址配置》这篇博客中，讲述了如何设置这种变态的网络配置，原本是打算直接在这台服务器上面安装KICKSTART相关组件进行网络安装的，2笼刀片，16片刀，一台一台的安装着实非常累人，再加上操作的环境并不是在客户那边进行的，网络延迟非常严重，以至于安装一个系统需要2个小时的时间，而且有可能安装到最后报错了。

最终，跟客户那边的工程师进行了相关沟通，将网络配置成比较“舒服”的环境，本人对网络不是很懂，一般而言我在客户那边部署产品应用，很简单，给我IP地址或者IP地址段，我在RHEL操作系统上面直接对eth*进行配置就可以使用，所以这次同样提出这样的要求，毕竟大家都是搞技术的，要求人家完全同意了。今天就把这个变更做完了，简单测试了一下，ifconfig eth0 xx.xx.xx.x netmask xx.xx.xx.x ,然后就很顺利的通了。

虽然标题为RHEL网络安装刀片服务器，其实说白了，不就是RHEL通过kickstart无人值守安装普通的机器而已，刀片服务器，PC机对我们而言不都一样嘛。因为之前一直没有将kickstart的配置方法整理到自己博客上面来，很多时候，还是在网络上面现找现用，以致效率有点低。

言归正传，下面开始对Kickstart无人值守安装相关步骤进行简要说明并记录如下：

1. 配置yum源，安装如下服务

[[email protected] ~]# mount -o loop /var/www/html/isos/rhel-server-6.3-x86_64-dvd.iso   /media/
[[email protected] ~]#cat /etc/yum.repos.d/core.repo
[core]
name=rhel6u3_core
baseurl=file:///media/
enabled=1
gpgcheck=0
[[email protected] ~]# yum install dhcp vsftpd  tftp tftp-server -y
[[email protected] ~]#chkconfig dhcpd on ; chkconfig vsftpd on ; chkconfig xinetd on

2. 相关服务配置文件修改

1) tftp 相关修改

[[email protected] ~]# cat /etc/xinetd.d/tftp
# default: off
# description: The tftp server serves files using the trivial file transfer \
#    protocol.  The tftp protocol is often used to boot diskless \
#    workstations, download configuration files to network-aware printers, \
#    and to start the installation process for some operating systems.
service tftp
{
    socket_type        = dgram
    protocol        = udp
    wait            = yes
    user            = root
    server            = /usr/sbin/in.tftpd
    server_args        = -s /tftpboot
    disable            = no
    per_source        = 11
    cps            = 100 2
    flags            = IPv4
}

修改16行 server_args 的目录为/tftpboot

修改17行 disable 设置为no，表明tftp允许被托管

[[email protected] ~]# service xinetd  restart  //重启xinetd进程

2) dhcp相关修改

[[email protected] ~]# cat /etc/dhcp/dhcpd.conf
ddns-update-style interim;
ignore client-updates;
subnet 10.196.28.0 netmask 255.255.255.0 {
    option routers 10.196.28.254;
    option subnet-mask 255.255.255.0;
    filename "pxelinux.0";
    next-server 10.196.28.43;
    option domain-name-servers 8.8.8.8;
    range dynamic-bootp 10.196.28.33 10.196.28.100;
    default-lease-time 21600;
    max-lease-time 43200;
}
host blog05 {
  hardware ethernet 38:EA:A7:A1:FC:7C;
  fixed-address 10.196.28.47;
}
host blog06 {
  hardware ethernet 38:EA:A7:A1:FA:A8;
  fixed-address 10.196.28.48;
}
host blog07 {
  hardware ethernet 38:EA:A7:A1:F6:DC;
  fixed-address 10.196.28.49;
}
host blog08 {
  hardware ethernet 38:EA:A7:A1:FC:58;
  fixed-address 10.196.28.50;
}
host blog09 {
  hardware ethernet 38:EA:A7:A1:FE:3E;
  fixed-address 10.196.28.78;
}

启动dhcp服务

[[email protected] ~]# service dhcpd start
Starting dhcpd:                                            [  OK  ]

3）vsftpd 相关配置

安装好，无需任何配置，启动服务，直接使用

[[email protected] ~]# service vsftpd start

3. 配置kickstart，准备相关文件

[[email protected] ~]# yum install  system-config-kickstart -y
[[email protected] ~]# mkdir  /tftpboot
[[email protected] ~]# mkdir /tftpboot/pxelinux.cfg
[[email protected] ~]# cp /usr/share/syslinux/pxelinux.0 /tftpboot/
[[email protected] ~]# cp /media/isolinux/isolinux.cfg /tftpboot/pxelinux.cfg/default
[[email protected] ~]# cp /media/isolinux/* /tftpboot/
[[email protected] ~]# chmod 644 /tftpboot/pxelinux.cfg/default
[[email protected] ~]#cat  /tftpboot/pxelinux.cfg/default  //查看如下信息，添加ks.cfg位置
label linux
menu label ^Install or upgrade an existing system
menu default
kernel vmlinuz
append initrd=initrd.img ks=ftp://10.196.28.43/pub/ks.cfg

4.生成ks.cfg文件

[[email protected] ~]# system-config-kickstart

具体步骤在此不具体说明，贴出最终ks.cfg文件，如下

[[email protected] ~]# cat /var/ftp/pub/ks.cfg
#platform=x86, AMD64, or Intel EM64T
#version=DEVEL
# Firewall configuration
firewall --disabled
# Install OS instead of upgrade
install
# Use network installation
url --url="ftp://10.196.28.43/pub"
# Root password
rootpw --iscrypted $1$eTN.ZnVf$Kprjai3Hzn.qEbSnepP5R/
# System authorization information
auth  --useshadow  --passalgo=sha512
# Use text mode install
text
firstboot --disable
# System keyboard
keyboard us
# System language
lang en_US
# SELinux configuration
selinux --disabled
# Installation logging level
logging --level=info
# Reboot after installation
reboot
# System timezone
timezone --isUtc Asia/Shanghai
# Network information
network  --bootproto=dhcp --device=eth0  --onboot=on
# System bootloader configuration
bootloader --location=mbr
# Clear the Master Boot Record
zerombr
# Partition clearing information
clearpart --all --initlabel
# Disk partitioning information
part /boot --fstype="ext4" --size=400
part swap --fstype="swap" --size=12000
part / --asprimary --fstype="ext4" --grow --size=1
%packages
@base
@client-mgmt-tools
@core
@debugging
@basic-desktop
@desktop-debugging
@desktop-platform
@directory-client
@fonts
@general-desktop
@graphical-admin-tools
@input-methods
@internet-browser
@java-platform
@legacy-x
@network-file-system-client
@perl-runtime
@print-client
@remote-desktop-clients
@server-platform
@server-policy
@virtualization
@virtualization-client
@virtualization-platform
@virtualization-tools
@x11
pax
python-dmidecode
oddjob
wodim
sgpio
genisop_w_picpath
mtools
abrt-gui
certmonger
pam_krb5
krb5-workstation
libXmu
perl-DBD-SQLite
qemu-kvm-tools
qemu-guest-agent
libvirt-snmp
fence-virtd-serial
fence-virtd-multicast
libvirt-java
libvirt-cim
fence-virtd-libvirt
libvirt-qmf
perl-Sys-Virt
libguestfs-java
virt-v2v
libguestfs-tools
%end

拷贝kc.cfg至/var/ftp/pub目录中

[[email protected] ~ ]# cp ks.cfg   /var/ftp/pub/ks.cfg
[[email protected] ~ ]# rsync  -avP /media/  /var/ftp/pub/

5.清空防火墙规则，关闭selinux

[[email protected] ~ ]# iptables -F;iptables -X; iptables -Z
[[email protected] ~ ]# service iptables save; service iptables restart
[[email protected] ~ ]# setenforce 0
[[email protected] ~ ]# sed -i 's/enforcing/disabled/g' /etc/selinux/config

6.设置刀片第一次从PXE启动

然后通过ILO控制刀片启动即可，等待安装！

普通PC设置更加简单，你会的！

转载于:https://blog.51cto.com/clovemfong/1306914

RHEL网络安装刀片服务器

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