一、之前有写过一篇管理定制CentOS5.6的文章，最近公司外网生产环境准备用CentOS6系列的，手动安装是在是太麻烦，所以就又研究了一些6系列的封装，其实和5系列的差不多，就是有几个文件不一样，还有就是ks.cfg这个文件我又更新了新内容。

二、开始定制 1、安装需要的用到的软件包 [root@localhost ~]# yum -y install createrepo mkisofs 2、生成安装系统所需要的rpm文件列表 [root@localhost ~]# awk '/Installing/{print $2}' install.log |sed 's/^[0-9]*://g' >/root/packages.list 3、创建工作目录 [root@localhost ~]# mkdir -p /mnt/cdrom [root@localhost ~]# mkdir -p /data/OS [root@localhost ~]# mount /dev/cdrom /mnt/cdrom 4、复制文件 [root@localhost ~]# rsync -a --exclude=Packages /mnt/cdrom/* /data/OS/ [root@localhost ~]# cp /mnt/cdrom/.discinfo /data/OS/ 5、复制精简后的rpm包 a、撰写脚本 cat cp.sh #!/bin/bash DVD='/mnt/Packages'    #DVD镜像存放包路径 PACKDIR='/root/package.txt'     #记录的是现在系统里安装的所有包名 NEW_DVD='/root/iso/Packages/'   # 新镜像需要包的存放路径 while read LINE;      do cp ${DVD}/${LINE}*.rpm  /${NEW_DVD} || echo "$LINE don't cp.......";       done < package.txt

[root@localhost ~]# chmod +x /data/cprmps.sh 

[root@localhost ~]# sh /data/cprmps.sh  6、撰写ks.cfg文件 [root@localhost ~]# vi /data/OS/isolinux/ks.cfg  # Kickstart file automatically generated by anaconda. #version=RHEL6 install cdrom lang en_US.UTF-8 keyboard us network --device eth0 --onboot no --bootproto static --ip 192.168.1.222 --netmask 255.255.255.0 --gateway 192.168.1.1 --nameserver 8.8.8.8 --hostname wy.cn rootpw  --iscrypted $6$qonSDczLascaQ556$dty34p2Ff9VVM70Zek0Utht5pK1n4dvx0mAEEV7Y6aPbl7590mrVb9sN8v6Q3JJdx99uzrU/5CBXfUKVE1cFr1 firewall --disabled authconfig --enableshadow --passalgo=sha512 --enablefingerprint selinux --disabled timezone Asia/Shanghai bootloader --location=mbr --driveorder=sda --append="crashkernel=auto rhgb quiet" # The following is the partition information you requested # Note that any partitions you deleted are not expressed # here so unless you clear all partitions first, this is # not guaranteed to work clearpart --all part /boot --fstype=ext4 --size=500 part pv.XHGICy-t31o-N3CL-0QxU-G2l4-gaKE-uleXGL --grow --size=1 volgroup vg_wy --pesize=4096 pv.XHGICy-t31o-N3CL-0QxU-G2l4-gaKE-uleXGL logvol / --fstype=ext4 --name=lv_root --vgname=vg_wy --grow --size=1024 --maxsize=51200 logvol swap --name=lv_swap --vgname=vg_wy --grow --size=2032 --maxsize=4064 repo --name="centos"  --baseurl=file:///mnt/source --cost=100 reboot %packages @additional-devel @base @core @development @perl-runtime @server-policy libXinerama-devel xorg-x11-proto-devel startup-notification-devel libgnomeui-devel libbonobo-devel libXau-devel libgcrypt-devel popt-devel libXrandr-devel libxslt-devel libglade2-devel gnutls-devel mtools sgpio jpackage-utils perl-DBD-SQLite %end %post # file descriptors ulimit -HSn 655350 echo "* soft nofile 655350" >> /etc/security/limits.conf echo "* hard nofile 655350" >> /etc/security/limits.conf #set ntp ntpdate 1.cn.pool.ntp.org && /sbin/hwclock --systohc /bin/cat > /etc/cron.daily/ntpdate << _ntpdate #!/bin/bash /sbin/ntpdate 1.cn.pool.ntp.org && /sbin/hwclock --systohc _ntpdate #set /etc/sysctl.conf /bin/cat > /etc/sysctl.conf << _sysctl fs.file-max = 1000000 kernel.core_uses_pid = 1 kernel.msgmax = 65536 kernel.msgmnb = 65536 kernel.shmall = 4294967296 kernel.shmmax = 68719476736 kernel.sysrq = 0 net.core.netdev_max_backlog = 262144 net.core.rmem_default = 2097152 net.core.rmem_max = 16777216 net.core.somaxconn = 262144 net.core.wmem_default = 2097152 net.core.wmem_max = 16777216 net.ipv4.conf.default.accept_source_route = 0 net.ipv4.conf.default.rp_filter = 1 net.ipv4.ip_conntrack_max = 819200 net.ipv4.ip_forward = 0 net.ipv4.ip_local_port_range = 1024    65000 net.ipv4.neigh.default.gc_thresh1 = 10240 net.ipv4.neigh.default.gc_thresh2 = 40960 net.ipv4.neigh.default.gc_thresh3 = 81920 net.ipv4.netfilter.ip_conntrack_max = 819200 net.ipv4.netfilter.ip_conntrack_tcp_timeout_close_wait = 60 net.ipv4.netfilter.ip_conntrack_tcp_timeout_fin_wait = 120 net.ipv4.netfilter.ip_conntrack_tcp_timeout_time_wait = 120 net.ipv4.tcp_fin_timeout = 1 net.ipv4.tcp_keepalive_intvl = 15 net.ipv4.tcp_keepalive_probes = 5 net.ipv4.tcp_keepalive_time = 30 net.ipv4.tcp_max_orphans = 3276800 net.ipv4.tcp_max_syn_backlog = 262144 net.ipv4.tcp_max_tw_buckets = 51200 net.ipv4.tcp_mem = 94500000 915000000 927000000 net.ipv4.tcp_orphan_retries = 3 net.ipv4.tcp_reordering = 5 net.ipv4.tcp_retrans_collapse = 0 net.ipv4.tcp_retries2 = 5 net.ipv4.tcp_rmem = 4096        87380   4194304 net.ipv4.tcp_sack = 1 net.ipv4.tcp_synack_retries = 1 net.ipv4.tcp_syncookies = 1 net.ipv4.tcp_syn_retries = 1 net.ipv4.tcp_timestamps = 0 net.ipv4.tcp_tw_recycle = 1 net.ipv4.tcp_tw_reuse = 1 net.ipv4.tcp_window_scaling = 1 net.ipv4.tcp_wmem = 4096        16384   4194304 net.ipv6.conf.all.disable_ipv6 = 1 _sysctl source /etc/profile sysctl -e -p /etc/init.d/avahi-daemon stop /etc/init.d/yum-updatesd stop chkconfig avahi-daemon off chkconfig yum-updatesd off echo "WyLinux release 6.0 (Based on CentOS 6.0)" > /etc/centos-release sed -i 's/CentOS Linux release 6.0 (Final)/WyLinux release 6.0 (Based on CentOS 6.0)/g' /etc/issue sed -i 's/CentOS Linux release 6.0 (Final)/WyLinux release 6.0 (Based on CentOS 6.0)/g' /etc/issue.net sed -i 's/localhost.localdomain/WyLinux/g' /etc/sysconfig/network sed -i 's/CentOS/WyLinux/g' /etc/rc.d/rc.sysinit sed -i 's/rhgb/WyLinux/g' /boot/grub/grub.conf mkdir -p /media/cdrom mount -o loop /dev/cdrom /media/cdrom cp -rf /media/cdrom/web.tar.gz /usr/local/ cd /usr/local/ chmod 755 -R *.tar.gz tar xvzf web.tar.gz rm -rf web.tar.gz /usr/local/apache/bin/apachectl start 7、生成comps.xml文件 [root@localhost ~]# cd /data/OS [root@localhost ~]# createrepo -g repodata/*-comps.xml /data/OS/ 8、让系统启动读开始，ks.cfg的内容 修改lable linux [root@localhost ~]# vi /data/OS/isolinux/isolinux.cfg label linux   menu label ^Install or upgrade an existing system   menu default   kernel vmlinuz   append ks=cdrom:/isolinux/ks.cfg initrd=initrd.img 9、生成ISO镜像文件 [root@localhost ~]# declare -x discinfo=`head -1 .discinfo` [root@localhost ~]#  createrepo -u "media://$discinfo" -g repodata/*-comps.xml /data/OS/ [root@localhost ~]# mkisofs  -r -l -allow-multidot -allow-leading-dots -no-bak -o /data/kingsoft_centos6.3_1.0.iso -b isolinux/isolinux.bin -c isolinux/boot.cat -no-emul-boot -boot-load-size 4 -boot-info-table -input-charset UTF-8 /data/OS/ 10、生成MD5校验码 [root@localhost ~]# /usr/bin/md5sum /data/kingsoft_centos6.3_1.0.iso  2de68609b36db23cca4956b2779465ed  /data/kingsoft_centos6.3_1.0.iso

      本文转自flyingzf  51CTO博客，原文链接：http://blog.51cto.com/flyingzf/1768786，如需转载请自行联系原作者