1.安裝軟件
(1)dhcp
(2)tftp
(3)xinetd
(4)nfs
2.安裝:
yum -y install dhcp yum -y install tftp-server yum -y install tftp yum -y install xinetd yum -y install syslinux yum -y install nfs*
3.修改配置
修改dhcp配置
vim /etc/dhcpd.conf
ddns-update-style interim; ignore client-updates; next-server 192.168.0.2; filename "pxelinux.0"; subnet 192.168.0.0 netmask 255.255.0.0 { option time-offset -18000; # Eastern Standard Time range dynamic-bootp 192.168.250.2 192.168.250.254; default-lease-time 21600; max-lease-time 43200; }
修改tftp配置:
sed -i "s/disable.*/disable = no/" /etc/xinetd.d/tftp sed -i "s/server_args.*/server_args = -s \/tftpboot/" /etc/xinetd.d/tftp
創建目錄:
mkdir -p /tftpboot/p_w_picpaths/centos/${system_version}/x86
將pxelinux.0放到/tftpboot目錄
啓動服務:
service dhcpd restart service xinetd restart service portmap start service nfslock start service nfs start
修改nfs配置並測試:
echo '/netinstall/kickstart *(ro,async)'> /etc/exports echo "/tftpboot/p_w_picpaths/centos/${system_version}/x86 *(ro,async)">>/etc/exports exportfs -rv showmount -e $ip
將iso鏡像放到/root目錄並掛載同步p_w_picpath文件:
wget -T 5 -t 2 -O /root/CentOS-${system_version}-x86_64-bin-DVD.iso http://${downloadserver1}/CentOS-${system_version}-x86_64-bin-DVD.iso mount -o loop /root/CentOS-${system_version}-x86_64-bin-DVD.iso /tftpboot/p_w_picpaths/centos/${system_version}/x86 rsync -av /tftpboot/p_w_picpaths/centos/${system_version}/x86/p_w_picpaths/pxeboot/* /tftpboot/
添加默認文件:
mkdir -p /tftpboot/pxelinux.cfg touch /tftpboot/pxelinux.cfg/default echo "default linux" >/tftpboot/pxelinux.cfg/default echo "prompt 0" >>/tftpboot/pxelinux.cfg/default echo "label linux">>/tftpboot/pxelinux.cfg/default echo "kernel p_w_picpaths/centos/${system_version}/x86/isolinux/vmlinuz">>/tftpboot/pxelinux.cfg/default echo "append ks=nfs:${ip}:/netinstall/kickstart/ks.cfg initrd=p_w_picpaths/centos/${system_version}/x86/isolinux/initrd.img">>/tftpboot/pxelinux.cfg/defaulttian
添加ks.cfg
wget -T 5 -t 2 -O /netinstall/kickstart/ks.cfg http://${downloadserver1}/ks.cfg-${system_version} chmod 644 /netinstall/kickstart/ks.cfg sed -i "s/nfs --server=/nfs --server=${ip}/" /netinstall/kickstart/ks.cfg sed -i "s/5.5/${system_version}/" /netinstall/kickstart/ks.cfg