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joinc´Â Firefox¿Í chrome¿¡¼ Å×½ºÆ® Çß½À´Ï´Ù. IE¿¡¼´Â Å×À̺íÀÌ ±úÁö°Å³ª À̹ÌÁö°¡ º¸ÀÌÁö ¾ÊÀ» ¼ö ÀÖ½À´Ï´Ù. ƯÈ÷ ±¸±Û DocsÀ̹ÌÁöÀÇ °æ¿ì ¿¢¹Úó¸®µÉ ¼ö ÀÖ½À´Ï´Ù. 1 PXE
PXE(Preboot Execution Environment)Àº ³×Æ®¿öÅ© ÀÎÅÍÆäÀ̽º¸¦ ÀÌ¿ëÇØ¼ ÄÄÇ»Å͸¦ ºÎÆÃÇÒ ¼ö ÀÖ°Ô ¸¸µé¾îÁִ ȯ°æÀ¸·Î, Çϵåµð½ºÅ©³ª CD-ROM °°Àº µ¥ÀÌÅÍ ÀúÀå¼Ò¿¡ ±¸¾Ö ¹ÞÁö ¾Ê°í ¿î¿µÃ¼Á¦¸¦ ¼³Ä¡ÇÒ ¼ö ÀÖ½À´Ï´Ù. 1999³â¿¡ ¼Ò°³µÈ ¿À·¡µÈ ±â¼úÀε¥, ´ÙÀ½°ú °°Àº ±â¼úµéÀ» ÀÌ¿ëÇØ¼ ±¸ÇöÇÕ´Ï´Ù.
2 ±¸Ãà ȯ°æ
PXE Boot ȯ°æÀ» ±¸ÃàÇϱâ À§Çؼ´Â PXE ¼¹ö¿Í PXE Ŭ¶óÀÌ¾ðÆ® ÃÖ¼Ò 2´ëÀÇ ³ëµå°¡ ÇÊ¿äÇÕ´Ï´Ù.
# apt-get install kvm-pxe 3 ¿î¿µÃ¼Á¦ ¼³Ä¡ ÆÄÀÏ ÀúÀå¼Ò Áغñ
Guest VM¿¡ ¼³Ä¡ÇÒ iso ÆÄÀÏÀ» ´Ù¿î·Îµå ÇÕ´Ï´Ù. Àú´Â CentOS-6.2-x86_64-bin-DVD1.iso, CentOS-6.2-x86_64-bin-DVD1.iso ¸¦ ÁغñÇß½À´Ï´Ù.
Guest VMÀº http ȤÀº NFS¸¦ ÀÌ¿ëÇØ¼ ¿ø°Ý¿¡ ÀÖ´Â ¿î¿µÃ¼Á¦ ÆÐŰÁö¸¦ ´Ù¿î·ÎµåÇØ¼ ¼³Ä¡ÇÒ ¼ö ÀÖ½À´Ï´Ù. Àú´Â apache À¥ ¼¹ö¸¦ ÀÌ¿ëÇß½À´Ï´Ù. apache ¼¹ö ¼³Ä¡¿Í ¼³Á¤Àº »ý·«ÇÕ´Ï´Ù. DocumentRoot¸¦ /var/www·Î Çß½À´Ï´Ù.
HTTP·Î ÀνºÅç ÇÒ°æ¿ì iso¸¦ Á÷Á¢ ÀνºÅçÇÒ ¼ö ¾ø½À´Ï´Ù. ±×·¡¼ ¾Æ·¡¿Í °°ÀÌ ¸¶¿îÆ® ÇØ¼ ±¸ÃàÇß½À´Ï´Ù. ½ÇÁ¦ ¿î¿µÇÒ ¶§´Â mountº¸´Ù´Â ÆÄÀÏÀ» Á÷Á¢ º¹»çÇÏ´Â°É ±ÇÀå ÇÕ´Ï´Ù. # mkdir /var/www/iso/centos/x86_64/{6.2,5.7}
# mount -o CentOS-6.2-x86_64-bin-DBD1.iso /var/www/iso/centos/x86_64/6.2
4 TFTP ¼¹ö ¼³Á¤
PXE Ŭ¶óÀÌ¾ðÆ®´Â TFTP¸¦ ÀÌ¿ëÇØ¼ ºÎÆ®·Î´õ¸¦ ´Ù¿î·Îµå ÇÕ´Ï´Ù. ±×·¯¹Ç·Î PXE ¼¹ö´Â TFTP ¼¹ö¸¦ ¿î¿µÇØ¾ß ÇÕ´Ï´Ù.
tftp¸¦ ¼³Ä¡ÇÕ´Ï´Ù. xinetd(;12) ±â¹ÝÀ¸·Î ½ÇÇàÇÒ °Ì´Ï´Ù. # sudo apt-get install tftp tftpd
¼³Á¤ÆÄÀÏÀ» ¼öÁ¤ÇÕ´Ï´Ù. # cat /etc/xinetd.d
service tftp
{
disable = no
socket_type = dgram
protocol = udp
wait = yes
user = root
server = /usr/sbin/in.tftpd
server_args = -s /srv/tftpboot
per_source = 11
cps = 100 2
flags = IPv4
}
tftpÀÇ ·çÆ® µð·ºÅ丮´Â /srv/tftpboot·Î Çß½À´Ï´Ù. ¿©±â¿¡ ¿ø°Ý ºÎÆÃÀ» À§ÇÑ ÆÄÀϵéÀ» Ä«ÇÇÇÏ¸é µË´Ï´Ù.4.1 syslinux bootloader ¼³Ä¡
ÀÌÁ¦ PXE Client°¡ ·ÎµåÇÒ ºÎÆ®·Î´õ¸¦ ¼³Ä¡ ÇÕ´Ï´Ù. Àú´Â syslinux¸¦ ºÎÆ®·Î´õ·Î »ç¿ëÇϱâ·Î Çß½À´Ï´Ù. syslinux´Â °ø°³ ¼ÒÇÁÆ®¿þ¾î·Î FAT filesystem°ú network booting (PXEBoot)¸¦ À§ÇÑ °¡º¿î ºÎÆ®·Î´õ ¼ÒÇÁÆ®¿þ¾îÀÔ´Ï´Ù. # apt-get install syslinux syslinux-common
ºÎÆ® À̹ÌÁö¸¦ /srv/tftpboot·Î º¹»çÇÕ´Ï´Ù. # cd /srv/tftpboot
# cp /usr/lib/syslinux{pxelinux.0,menu.c32} ./
4.2 pxelinux ¼³Á¤
pxelinux.cfg/default ÆÄÀÏÀ» ÆíÁýÇÕ´Ï´Ù. # cd /srv/tftpboot # mkdir pxelinux.cfg # cd pxelinux.cfg # vi default timeout 60 default centos6.2 label centos6.2 kernel images/centos/x86_64/6.2/vmlinuz append initrd=images/centos/x86_64/6.2/initrd.img ramdisk_size=100000 ks=http://192.168.56.1/ks.cfg prompt 1
# mkdir /srv/tftpboot/images/centos/x86_64/6.2
centos iso¸¦ ¸¶¿îÆ® ÇØ¼, À̹ÌÁö¸¦ º¹»çÇÕ´Ï´Ù. # mount -o loop CentOS-6.2-x86_64-binDVD1.iso /mnt/centos
# cp /mnt/centos/images/pxeboot/{initrd.img,vmlinuz} /srv/tftpboot/images/centos/x86_64/6.2
# umount /mnt/centos
tftp ¼¹ö¸¦ Àç ½ÃÀÛ ÇÕ´Ï´Ù. # /etc/init.d/xinetd restart
tftp ¼¹ö°¡ Àß ¶¹´ÂÁö È®ÀÎÇÕ´Ï´Ù. # nmap localhost -sU Starting Nmap 5.21 ( http://nmap.org ) at 2012-02-19 14:19 KST Nmap scan report for localhost (127.0.0.1) Host is up (0.0000050s latency). Not shown: 996 closed ports PORT STATE SERVICE 69/udp open|filtered tftp 111/udp open rpcbind 2049/udp open nfs 5 DHCP ¼³Á¤
DHCP ¼³Á¤Àº dhcp ¼¹ö ¼³Ä¡¹®¼¸¦ Âü°íÇϽñ⠹ٶø´Ï´Ù. ¼³Á¤ÆÄÀϸ¸ pxeboot¿¡ ¸Â°Ô ¾à°£ ¼öÁ¤Çß½À´Ï´Ù. # cat /etc/dhcp/dhcpd.conf
....
subnet 192.168.56.0 netmask 255.255.255.0 {
option routers 192.168.56.1;
host pxe-bootos {
hardware ethernet 08:00:27:C1:84:53;
fixed-address 192.168.56.61;
#next-server 192.168.56.1
filename "pxelinux.0";
}
}
MAC ÁÖ¼Ò°¡ 08:00:27:C1:84:53ÀÎ 192.168.56.61ÀÇ IP ÁÖ¼Ò¸¦ ÇÒ´çÇϰí, PXEBOOT¸¦ À§Çؼ pxelinux.0¸¦ »ç¿ëÇ϶ó´Â Á¤º¸¸¦ PXE ClientŬ¶óÀÌ¾ðÆ®¿¡°Ô ¾Ë·ÁÁÝ´Ï´Ù. 6 PXE Ŭ¶óÀÌ¾ðÆ® Å×½ºÆ®
KVMÀ¸·Î Å×½ºÆ®Çß½À´Ï´Ù. KVM¿¡ ´ëÇÑ ÀÚ¼¼ÇÑ ³»¿ëÀº Qemu¹®¼¸¦ Âü°íÇϽñ⠹ٶø´Ï´Ù.
KVM ´ë½Å, VMware³ª VirtualBox·Îµµ Å×½ºÆ®°¡ °¡´ÉÇÒ °Ì´Ï´Ù. ´Ù¸¥ ÇÏÀÌÆÛ¹ÙÀÌÀú·Î Å×½ºÆ®´Â Á÷Á¢ ÇØº¸½Ã±â ¹Ù¶ø´Ï´Ù. °³ÀÎÀûÀ¸·Î VirtualBox·Î ½ÃµµÇغ» ÀûÀÌ Àִµ¥, ÀÚ²Ù¸¸ VirtualBox¿¡¼ Á¦°øÇÏ´Â dhcp µ¥¸óÀÌ ¶ß´Â ¹Ù¶÷¿¡ Á¦´ë·Î Å×½ºÆ®ÇÒ ¼ö ¾ø¾ú½À´Ï´Ù. VirtualBoxÀÇ dhcp ¼³Á¤À» ¹Ù²Ù´Â ¿É¼ÇÀÌ ÀÖÀ»°Å¶ó°í »ý°¢ÇÏÁö¸¸ ã±â ±ÍÂú¾Æ¼ kvmÀ¸·Î Å×½ºÆ®¸¦ ´ë½ÅÇß½À´Ï´Ù.
¸ÕÀú kvm image¸¦ ¸¸µì´Ï´Ù. # qemu-img create pxe-boot.raw -f raw 10G
kvm°ú Åë½ÅÇÒ tap µð¹ÙÀ̽º¸¦ ¸¸µé¾ú½À´Ï´Ù. # openvpn --mktun --dev tap0 # ifconfig tap0 192.168.56.1 netmask 255.255.255.0 up
ÀÌÁ¦ vmÀ» ½ÇÇàÇÕ´Ï´Ù. # qemu-system-x86_64 -m 512 -k en-us -hda pxe-boot.raw -boot n -option-rom \ /usr/share/kvm/pxe-rtl8139.bin -net nic,macaddr=08:00:27:C1:84:53 \ -net tap,ifname=tap0,script=no -net socket,listen=localhost:1200
³×Æ®¿öÅ© ºÎÆÃÀ» ¼±ÅÃÇϸé DCHP¼¹ö¿¡¼ IP¿Í ³×Æ®¿öÅ© ºÎÆ®¿¡ »ç¿ëÇÒ ºÎÆ®·Î´õ Á¤º¸¸¦ ¹Þ¾Æ¿À´Â °É È®ÀÎÇÒ ¼ö ÀÖ½À´Ï´Ù.
¼³Ä¡È¸é ¶ß³×¿ä.
±× ´ÙÀ½ ¼³Ä¡ À̹ÌÁö URLÀ» ¸í½ÃÇØÁÖ¸é µË´Ï´Ù.
ÀÌÁ¦ images/install.img¸¦ ·ÎµùÇÏ°í ÆÐŰÁöµéÀ» ¼³Ä¡ÇÕ´Ï´Ù.
7 kickstart
PXEBoot ¼³Á¤À» ÇßÀ¸³ª ¾à°£ ²¨¸²Á÷ÇÕ´Ï´Ù. ¿î¿µÃ¼Á¦ ¼³Ä¡±îÁö ÀÚµ¿À¸·Î ÇØÁÖÁø ¾Ê±â ¶§¹®¿¡, °á±¹ ¸ð´ÏÅ͸¦ ºÙ¿©¼ ÀÛ¾÷À» ÇØ¾ß Çϱ⠶§¹®Àε¥ ÀÚµ¿È¶ó°í Çϱ⿣ ºÎÁ·ÇÏÁÒ. IPMI¸¦ ÀÌ¿ëÇÏ¸é ¿ø°Ý¿¡¼ ¼³Ä¡°¡ °¡´ÉÇϰÚÀ¸³ª ¿ª½Ã ¸¸Á·½º·´Áö ¾Ê½À´Ï´Ù. ¼³Ä¡±îÁö ¸ðµÎ ÀÚµ¿È ÇØ¾ß ÇÏÁö ½Í½À´Ï´Ù.
CentOS´Â kickstart¸¦ ÀÌ¿ëÇØ¼ ¼³Ä¡ÇÏ´Â °úÁ¤À» ÀÚµ¿È ÇÒ ¼ö ÀÖ½À´Ï´Ù.. ¼³Ä¡½Ã ÇÊ¿äÇÑ Á¤º¸¸¦ ÀúÀåÇÑ ÆÄÀÏÀ» ÀÐ¾î¼ ÀÚµ¿È ÇÏ´Â ¹æ½ÄÀÔ´Ï´Ù.
CentOS¸¦ ¼³Ä¡ÇÏ°í ³ª¸é /rootµð·ºÅ丮¿¡ anaconda-ks.cfgÆÄÀÏÀÌ ¸¸µé¾îÁý´Ï´Ù. ÀÌ ÆÄÀÏÀº ¼³Ä¡ Á¤º¸¸¦ °¡Áö°í Àִµ¥, ÀÌ ÆÄÀÏÀ» ÆíÁýÇØ¼ »ç¿ëÇÏ¸é µË´Ï´Ù.
kickstart ÆÄÀÏÀº HTTP·Î Á¢±ÙÇÒ ¼ö ÀÖ½À´Ï´Ù. ±×·¡¼ PXEBootÀÇ À¥ ¼¹ö¿¡ ÆÄÀÏÀ» º¹»ç Çß½À´Ï´Ù. # scp root@mycentos:/root/anaconda-ks.cfg /vaw/www/ks.cfg
ÆÄÀÏÀ» º¹»çÇÑ ´ÙÀ½ ´ÙÀ½°ú °°ÀÌ ¼öÁ¤Çß´Ù.
# Kickstart file automatically generated by anaconda. #version=DEVEL install # centos ÆÐŰÁö°¡ µé¾îÀÖ´Â µð·ºÅ丮 url --url=http://192.168.56.1/iso/centos/x86_64/6.2 # centos´Â GUI ¼³Ä¡¸¦ ±âº»À¸·Î ÇÕ´Ï´Ù. CUI ¹æ½ÄÀ¸·Î ¼³Ä¡Çϵµ·Ï ¼³Á¤Çß½À´Ï´Ù. text # ¾ð¾î ¼³Á¤ lang en_US.UTF-8 # Űº¸µå ¼³Á¤ keyboard us # ³×Æ®¿öÅ© ¼³Á¤. dhcp·Î ¼³Á¤Çß½À´Ï´Ù. network --onboot yes --device eth0 --bootproto dhcp --noipv6 # ·çÆ®ÆÐ½º¿öµåÀÔ´Ï´Ù. rootpw --iscrypted $6$5.1adfefgxaaaaaEDuWuvvfgG3v/UOGerd6112fgBhxFg9v/12ddi/Px112fSd/ firewall --service=ssh authconfig --enableshadow --passalgo=sha512 selinux --enforcing timezone --utc Asia/Seoul bootloader --location=mbr --driveorder=sda --append=" rhgb crashkernel=auto 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 # ¸ðµç ÆÄƼ¼ÇÀ» ÃʱâÈ clearpart --linux --drives=sda # 9G Å©±âÀÇ pv pv.01À» ¸¸µì´Ï´Ù. part pv.01 --size 9000 # pv.01À» Æ÷ÇÔÇÏ´Â º¼·ý±×·ìÀ» ¸¸µì´Ï´Ù. volgroup VolGroup pv.01 # ·çÆ® ÆÄÀÏ ½Ã½ºÅÛÀ» ¸¸µì´Ï´Ù. logvol / --fstype=ext4 --name=lv_root --vgname=VolGroup --grow --size=1024 --maxsize=51200 # swap ÆÄÀÏ ½Ã½ºÅÛÀ» ¸¸µì´Ï´Ù. logvol swap --name=lv_swap --vgname=VolGroup --grow --size=496 --maxsize=992 # boot ÆÄÀÏ ½Ã½ºÅÛÀ» ¸¸µì´Ï´Ù. part /boot --fstype=ext4 --size=500 repo --name="CentOS" --baseurl=http://192.168.56.1/iso/centos/x86_64/6.2m --cost=100 # ¼³Ä¡ÇÒ ÆÐŰÁö¸¦ ¼±ÅÃÇÕ´Ï´Ù. Àú´Â core ÆÐŰÁö¸¸ ¼³Ä¡Çß½À´Ï´Ù. %packages --nobase @core %end # ¼³Ä¡¸¦ ³¡³½ÈÄ ¸®ºÎÆÃ reboot |
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