¿ìºÐÅõ ½ºÅ©¸³Æ® ¿¡·¯

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쪽팔리면 질문하지 맙시다. 소중한 답변 댓글을 삭제하는건 부끄러운 일 입니다 

안녕하세요.

우분투에서 intel sgx기능을 써야할 일이 있는데 보드와 cpu는 기능이 지원이 됩니다.

그런데 /dev/sgx_enclave 장치 파일이 생성이 않되어서 수없이 많은 시도를하는데 한달을 해결을 못하고 있네요. ㅠㅠ

참고한 사이트는 https://docs.scrt.network/secret-network-documentation/infrastructure/setting-up-a-node-validator/node-setup/install-sgx 인데

첨부 사진을 보면 소스 파일 /opt/intel/sgxdriver/package/sgx_main.c에 문제가 있는데 정작 /opt/intel/ 하위 디렉토리 아예 생성되질 않아 수정해 볼래야 

수정할 수가 없는 상황입니다. 빨간표시부분 = 을 수정 할 수가 없으니 ㅠㅠ

이런 경우에는 어떻게 해야 할까요 우분투 고수님 도와주세요 ^^

ªÀº±Û Àϼö·Ï ½ÅÁßÇÏ°Ô.
°ü¸®ÀÚ °èÁ¤À¸·Î(root) ÀνºÅç ÇÏ°í ÀÖ´Â °Ç°¡¿ä?
     
ºòÇÈí 03-04
³×, °ü¸®ÀÚ(root), ÀϹݰèÁ¤ ¸ðµÎ ¸¶Âù°¡Áý´Ï´Ù.
epowergate 03-04
kernel source, kernel dev ¼³Ä¡µÇ¾î ÀÖ³ª¿ä?
     
ºòÇÈí 03-04
Á¦°¡ ¸®´ª½º ¸í·É¾î Á¶±Ý ¾Æ´ÂÁ¤µµ¶ó ¹«½¼ ¸»¾¸ÀÎÁö Á¤È®È÷ ¸ð¸£°Ú³×¿ä ^^
ÀÏ´Ü Ä¿³ÎÀ» ÄÄÆÄÀÏÇÑ gcc ¹öÀü°ú ÇöÀç ÄÄÆÄÀÏÇÏ°í ÀÖ´Â gcc ¹öÀüÀÌ Æ²¸®´Ù°í ³ª¿À³×¿ä.

x86_64-linux-gnu-gcc-12 ÇÏ°í ±×³É gcc-12 ÇÏ°í ¹¹°¡ Ʋ¸°Áö´Â Àß ¸ð¸£°ÚÁö¸¸, ¾ÏÆ°..

¼Ò½ºÄÚµå ÄÄÆÄÀÏ ¿¡·¯´Â ÄÄÆÄÀÏ·¯ ȣȯ¼º ¹®Á¦°¡ ÇØ°áµÇ¸é ¾ø¾îÁú¼öµµ ÀÖÀ»µí.
     
ºòÇÈí 03-04
¸®´ª½º ³Ñ ¾î·Æ³×¿ä ¤Ð¤Ð
¿øº»¼Ò½ºÆÄÀÏÀÇ = µµ ¿ÀŸÀΰÅÁÒ?
     
epowergate 03-04
ÀÌ°Ç ±×³É warningÀÔ´Ï´Ù.
¹«½ÃÇصµ µË´Ï´Ù
±è°­È£ 03-04
https://github.com/intel/linux-sgx-driver/issues/152
¹öÀüÀ» À߸ø °í¸£½Å°Ô ¾Æ´Ò±î ½Í³×¿ä
     
ºòÇÈí 03-04
ÇöÀç Ä¿³Î¹öÀü¿¡ ¸ÂÁö ¾Ê´Â´Ù´Â°ÅÁÒ? À½ Ä¿³Î¹öÀü 5.19¿¡¼­µµ ½ÃµµÇغ¸±â´Â Çß¾ú´Âµ¥ ¾î·Æ³×¿ä ´ä±Û °¨»çÇÕ´Ï´Ù.
È­¶õ 03-04
sgx_main.c ÆÄÀÏ, 112¹ø° ÁÙ, vma ±¸Á¶Ã¼ ¸â¹öÀÎ vm_flags´Â read onlyÀε¥, OR ¿¬»êÀ¸·Î ±× °ªÀ» º¯°æÇÏ·Á°í Çؼ­ error¸¦ ¶ç¿ì°í ÄÄÆÄÀÏÀÌ ÁߴܵȰ̴ϴÙ.

¼³¸¶, ¼Ò½ºÄڵ尡 Àß ¸øµÈ°Ç ¾Æ´Ï°ÚÁÒ ?^^
     
ºòÇÈí 03-04
¿¹Àü¿¡µµ ºñ½ÁÇÑ °æ¿ì°¡ À־ Àú·¸°Ô »¡°£Ç¥½Ã ÀÖ´Â ºÎºÐ ¼öÁ¤Çؼ­ ÇØ°áÇÑ ÀûÀÌ ÀÖ¾ú´Âµ¥ À̹ø¿¡´Â ¾Æ¿¹ ¿øº» ¼Ò½º ÆÄÀÏ¿¡ Á¢±ÙÇÒ ¼ö°¡ ¾ø¾î ¼öÁ¤ Çغ¼¼ö°¡ ¾ø³×¿ä.
          
È­¶õ 03-04
elif (( $UBUNTUVERSION == 22 )); then
  # Ubuntu 22 is not supported in sgx-linux/v2.17
  wget "https://download.01.org/intel-sgx/latest/linux-latest/distro/${OS}/sgx_linux_x64_driver_2.11.54c9c4c.bin"
else
  wget "https://download.01.org/intel-sgx/sgx-linux/2.17/distro/${OS}/sgx_linux_x64_driver_1.41.bin"
fi


¿ä±â¼­ ¹» °¡Á®¿À´ÂÁö È®Àλç»ìÇϽðí,


# Install the driver
sudo ./sgx_linux_x64_driver_*.bin

¿ä°É ¼öµ¿À¸·Î ÇÔ´õ Çغ¸½Ã±æ¿ä...


Áï,

https://raw.githubusercontent.com/SecretFoundation/docs/main/docs/node-guides/sgx ¿ä ½ºÅ©¸³Æ®¸¦ ÇÑÁÙÇÑÁÙ µû¶ó°¡½Ã´Â ¼ö ¹Û¿¡...^^
               
ºòÇÈí 03-04
½Ç·ÂÀº ¾ÈµÇÁö¸¸ ÇѶ¡ÇѶ¡ Çغ¸°Ú½À´Ï´Ù. µµ¿ò °¨»çµå¸³´Ï´Ù. Æí¾ÈÇÑ ¹ã µÇ½Ê½Ã¿ä.
               
ºòÇÈí 03-04
À½, À̺κп¡¼­ À§¿Í °°Àº ¿¡·¯°¡ ³ª´Â±º¿ä
# Install the driver
sudo ./sgx_linux_x64_driver_2.11.054c9c4c.bin
Á¦°¡ ÄÄÆÄÀÏÇØ º» °á°ú·Î´Â Çѹø¿¡ Àß µÇ±äÇϳ׿ä.
¿ìºÐÅõ 16.04 ¸¦ »ç¿ëÇØ ºÃ½À´Ï´Ù.

root@XPE-MODULE-COMPILE:~/sgx# bash sgx
...
Installing Intel SGX Driver ...
/tmp/sgx-driver-3N1czN ~/sgx
install -d /opt/intel/sgxdriver/package
install -d /opt/intel/sgxdriver/scripts
install package/* /opt/intel/sgxdriver/package
install scripts/* /opt/intel/sgxdriver/scripts
~/sgx
/opt/intel/sgxdriver/package ~/sgx
make -C /lib/modules/4.15.0-142-generic/build M=/opt/intel/sgxdriver/package modules
make[1]: Entering directory '/usr/src/linux-headers-4.15.0-142-generic'
  CC [M]  /opt/intel/sgxdriver/package/sgx_main.o
  CC [M]  /opt/intel/sgxdriver/package/sgx_page_cache.o
  CC [M]  /opt/intel/sgxdriver/package/sgx_ioctl.o
  CC [M]  /opt/intel/sgxdriver/package/sgx_vma.o
  CC [M]  /opt/intel/sgxdriver/package/sgx_util.o
  CC [M]  /opt/intel/sgxdriver/package/sgx_encl.o
  CC [M]  /opt/intel/sgxdriver/package/sgx_encl2.o
  LD [M]  /opt/intel/sgxdriver/package/isgx.o
  Building modules, stage 2.
  MODPOST 1 modules
  CC      /opt/intel/sgxdriver/package/isgx.mod.o
  LD [M]  /opt/intel/sgxdriver/package/isgx.ko
make[1]: Leaving directory '/usr/src/linux-headers-4.15.0-142-generic'

uninstall.sh script generated in "/opt/intel/sgxdriver".

Installation is successful!
Created symlink from /etc/systemd/system/multi-user.target.wants/remount-dev-exec.service to /etc/systemd/system/remount-dev-exec.service.
\n\n###############################################
#####      Installing Intel SGX PSW          #####
###############################################\n\n
...
Created symlink from /etc/systemd/system/multi-user.target.wants/aesmd.service to /lib/systemd/system/aesmd.service.
Setting up libsgx-enclave-common (2.13.103.1-xenial1) ...
Setting up libsgx-urts (2.13.103.1-xenial1) ...
Setting up libsgx-qe3-logic (1.10.103.1-xenial1) ...
Setting up libsgx-pce-logic (1.10.103.1-xenial1) ...
Setting up libsgx-aesm-pce-plugin (2.13.103.1-xenial1) ...
Setting up libsgx-aesm-ecdsa-plugin (2.13.103.1-xenial1) ...
Setting up libsgx-aesm-epid-plugin (2.13.103.1-xenial1) ...
Setting up libsgx-aesm-launch-plugin (2.13.103.1-xenial1) ...
Setting up libsgx-aesm-quote-ex-plugin (2.13.103.1-xenial1) ...
Setting up libsgx-epid (2.13.103.1-xenial1) ...
Setting up libsgx-launch (2.13.103.1-xenial1) ...
Setting up libsgx-quote-ex (2.13.103.1-xenial1) ...
Setting up libsgx-uae-service (2.13.103.1-xenial1) ...
Setting up libtool (2.4.6-0.1) ...
Processing triggers for libc-bin (2.23-0ubuntu11.3) ...
root@XPE-MODULE-COMPILE:~/sgx# ll
total 44
drwxr-xr-x  2 root root  4096  3¿ù  5 00:12 ./
drwx------ 15 root root  4096  3¿ù  5 00:12 ../
-rw-r--r--  1 root root  3114  3¿ù  5 00:12 sgx
-rwxr-xr-x  1 root root 29546 11¿ù 29  2022 sgx_linux_x64_driver_2.11.0_0373e2e.bin*
´ÔÀÇ ÄÄÆÄÀÏ·Î±× ¿Í Á¦ ·Î±×¸¦ ´ëÁ¶ÇØ º¸´Ï Á¦ °æ¿ì´Â ±âÁ¸ ¼³Ä¡µÇ¾î ÀÖ´Â µå¶óÀ̹ö¸¦ ¾ðÀνºÅçÀ» ÇÏ´Â °úÁ¤ÀÌ ÀÖ´Â°Í °°Àºµ¥,
À§ À̹ÌÁö¿¡ ¿Ã¶ó¿Â ¸Þ½ÃÁö·Î´Â ÀÌ¹Ì ¼³Ä¡µÇ¾î ÀÖ´Â µå¶óÀ̹ö ¾ðÀνºÅçÀÌ ÇÊ¿ä¾ø´Ù°í ³ª¿À´Â°Í °°³×¿ä.

/opt/intel/
µð·ºÅ丮 ÇÏÀ§¿¡´Â À§¿¡¼­ º¸½Ã´Â°Íó·³
/opt/intel/sgxdriver °¡ »ý¼ºµÇ¸ç ±×¾È¿¡
uninstall.sh ÆÄÀÏÀÌ ÀüºÎÀÔ´Ï´Ù.
ÀÌ ÆÄÀÏÀº »õ µå¶óÀ̹ö¸¦ ¼³Ä¡Çϱâ Àü¿¡ »çÀü¼öÇàÀÌ µÇ´Â°Í °°½À´Ï´Ù.
¾ÆÁ÷ ±× ´Ü°è±îÁö ÁøÀÔÀ» ¸øÇÏ°í ÄÄÆÄÀÏ ¿À·ù°¡ ³ª¼­ ÁøÇàÀÌ ¾ÈµÇ½Å°Í °°½À´Ï´Ù.

Á¦°¡ ¿À´Ã ½Ã°£ÀÌ µÇ´Â´ë·Î ¿ìºÐÅõ 22.04 ¿¡ gcc ¿Ã·Á¼­ ÄÄÆÄÀÏÀ» ´Ù½ÃÇѹø Çص帮°Ú½À´Ï´Ù.
¼Ò½º¸¦ ºÁ¾ß°ÚÁö¸¸
Ä¿³ÎÂÊÀÌ ´Þ¶óÁö¸é¼­ ÇÔ¼ö°¡ ´Ù¸£°Ô ¾²ÀÌ´Â°Ô ¾Æ´Ò±î ÇÕ´Ï´Ù.
ÀÏ´Ü À§¿¡ ºôµå½Ã Ä¿³ÎÀÌ 6.5 ´ëÀε¥
¾Æ·¡ ¸ÞÀϾÆÅ°À̺긦 º¸¸é 6.3 ºÎÅÍ ÇØ´ç º¯¼ö¿¡ ´ëÇÑ Á¢±Ù ¹æ¹ýÀÌ ´Þ¶óÁø°ÍÀ¸·Î º¸ÀÔ´Ï´Ù.
Ä¿³ÎÀ» 6.3 ÀÌÇÏ·Î ³·Ã߽ðųª 6.5¿¡ ¸Â´Â ¹öÀüÀ» ã¾Æº¸¼Å¾ß ÇÒ °Í °°½À´Ï´Ù.

https://www.mail-archive.com/debian-bugs-dist@lists.debian.org/msg1911326.html
++#if LINUX_VERSION_CODE < KERNEL_VERSION(6, 3, 0)
+              vma->vm_flags |= VM_LOCKED;
++#else
++              vm_flags_set(vma, VM_LOCKED);
++#endif

ÀÏ´ÜÀº uname -a ·Î ³ª¿À´Â Ä¿³Î ¹öÀü°ú
ÇöÀç ¼Ò½º¿¡¼­ ÇÊ¿ä·Î ÇÏ´Â Ä¿³Î ¹öÀü ¿ä±¸»çÇ×ÀÌ ÀÖ¾î¾ß ÇÒ °Í °°½À´Ï´Ù.
     
È­¶õ 03-05
ļ... ÀÌ°Ô Á¤´äÀεí.

Ä¿³Î¹öÀü 6.3 ¾ð´õ¿¡¼­´Â OR ¿¬»ê+ÀúÀåÀÌ°í, ±× ÀÌ»ó ¹öÀü¿¡¼­´Â vm_flags_set() ¼¼ÆÃÇÏ´Â ÇÔ¼ö·Î °³¼±µÇ¾ú³×¿ä^^
     
ºòÇÈí 03-06
Á¶¾ð °¨»çÇÕ´Ï´Ù. ½Ã°£ ³¯¶§ ´Ù½Ã Çѹø Çغ¸°Ú½À´Ï´Ù.
     
ºòÇÈí 03-06
³Ü µµ¿ò °¨»çµå¸³´Ï´Ù.
22.04 ¼³Ä¡ÈÄ ÄÄÆÄÀÏ ÇغýÀ´Ï´Ù.
Àúµµ µ¿ÀÏÇÑ ¿À·ù°¡ ¹ß»ýÇϳ׿ä.
ÀǽɵǴ°ÍÀÌ »ç¿ëµÈ Ä¿³Î ¹öÀüÀÌ ³Ê¹« ³ô¾Æ¼­ SGX ¿Í ȣȯÀÌ ¾ÈµÇ´Â°Í °°¾Æ º¸ÀÔ´Ï´Ù.


¿ìºÐÅõ 22.04 ¼³Ä¡½Ã ±âº» Ä¿³Î¹öÀüÀÌ 6.5.0-18, ¾÷µ¥ÀÌÆ® ÀÌÈÄ 6.5.0-21 ±îÁö ¿Ã¶ó°©´Ï´Ù.
ÀÌ ¹öÀüÀÌ ³Ê¹« ³ôÀº°ÍÀÌ ¾Æ´Ñ°¡ ½Í½À´Ï´Ù.
À§ ĸÃÄ¿¡ º¸½Ã¸é Á¦°¡
apt-get install linux-generic
À¸·Î Ãß°¡ ¼³Ä¡Çؼ­ ±ò¸° ¹öÀüÀº 5.15.0-97 Àä.

³ôÀº¹öÀüÀº °È¾î³»°í 5.15.0-97 ¹öÀü¸¸ °¡Áö°í ´Ù½Ã ÄÄÆÄÀÏ Çغ¸°Ú½À´Ï´Ù.
     
Ä¿³Î ¾ðÀνºÅçµµ ½ÃµµÇØ ºÃ´Âµ¥, ¹®Á¦°¡ Á» ÀÖ½À´Ï´Ù.
¿ìºÐÅõ°¡ ÀÌ¹Ì ÃÖÁ¾ Ä¿³Î¹öÀüÀ» OS ¿¡¼­ »ç¿ëÇÏ°í ÀÖ´ÂÁö ¾ðÀνºÅçÀ» Çã¿ëÇÏÁö ¾Ê½À´Ï´Ù.
¿ìºÐÅõ ºÎÆÃÀÌ ¾ÈµÉ ¼ö ÀÖ´Ù°í °æ°íâÀÌ ¶ß¸é¼­ ÁøÇàÇÏÁö ¸»¶ó°í ³ª¿À³×¿ä.
³ª¸ÓÁö °ü°è ¾ø´Â ¹öÀüµéÀº ¾ðÀνºÅç ÇÒ ¼ö ÀÖ½À´Ï´Ù.
¾Æ·¡ Ä¿¸Çµå·Î ÁøÇàÀ» ÇÏ¸é µÇ´Âµ¥¿ä.

[Kernel Package Uninstall]
dpkg --list | grep linux-image

root@petersuh-virtual-machine:/usr/src# dpkg --list | grep linux-image
ii  linux-image-5.15.0-97-generic              5.15.0-97.107                          amd64        Signed kernel image generic
ii  linux-image-6.5.0-18-generic              6.5.0-18.18~22.04.1                    amd64        Signed kernel image generic
ii  linux-image-6.5.0-21-generic              6.5.0-21.21~22.04.1                    amd64        Signed kernel image generic
ii  linux-image-generic                        5.15.0.97.92                            amd64        Generic Linux kernel image
ii  linux-image-generic-hwe-22.04              6.5.0.21.21~22.04.11                    amd64        Generic Linux kernel image

sudo apt remove linux-image-generic-hwe-22.04
sudo apt remove linux-image-6.5.0-21-generic
sudo apt remove linux-image-6.5.0-18-generic

6.5 ¸¦ °È¾î³»°í ³·Ãâ¼ö ¾ø´Ù¸é,
Â÷¶ó¸® ¿ìºÐÅõ ±âº»¼³Ä¡ Ä¿³ÎÀÌ ±¸Â÷´Ï´Ô ¸»¾¸´ë·Î 6.3 ÀÌÇÏ·Î ±âº» žÀçµÇ¾î ÀÖ´Â ¹öÀüÀÎ 20.04 ÀÌÇÏ ¹öÀüÀ» ¼³Ä¡ÇØ º¸½Ã´Â°Ô ¾î¶³±î ½Í½À´Ï´Ù.
¿ìºÐÅõ ¼³Ä¡°úÁ¤¿¡¼­ ÃֽŹöÀü ÀÚµ¿¾÷µ¥ÀÌÆ® ¼³Ä¡´Â ¸øÇÏ°Ô ÁøÇàÇϽʽÿä.
¶Ç 6.5·Î ¿Ã¶ó°¡ ¹ö¸± ¼ö ÀÖ½À´Ï´Ù.
          
¹«¸®ÇÏ°Ô °È¾î³¾ ÇÊ¿ä°¡ ¾ø¾ú³×¿ä. ¤¾¤¾
grub.cfg ÀÇ ºÎÆ®¿£Æ®¸®¿¡ Ä¿³Î¹öÀüº°·Î ¸Þ´º°¡ ÀÛ¼ºµÇ¾î ÀÖ¾ú³×¿ä.
22.04 ¾È¿¡¼­
apt-get install linux-generic ·Î 5.15 ¹öÀü Çϳª´õ ¼³Ä¡ÇϽðí ÀçºÎÆÃÇؼ­ 5.15 Ä¿³Î¹öÀü ¼±ÅÃÇؼ­ ºÎÆÃÇØ º¸½Ê½Ã¿ä.
               
ŸÀӾƿô ºÎÆ®¿£Æ®¸®°¡ È÷µçÀ¸·Î µÇ¾î À־ ¼±ÅÃÀÌ Èûµå½Ç°Ì´Ï´Ù.
vi /etc/default/grub
ÇÏ½Ã°í ¾Æ·¡ ŸÀӾƿô½ºÅ¸ÀÏÀº ÁÖ¼®À¸·Î ¸·À¸½Ã°í, ŸÀӾƿôÀº Àû´çÈ÷ 0º¸´Ù Å©°Ô Å°¿ì½Ã°í ÀúÀåÇÏ°í ³ª¿À¼Å¼­
#GRUB_TIMEOUT_STYLE=hidden
GRUB_TIMEOUT=20

update-grub
ó¸® ÇØÁֽøé ÀÌÁ¦ ÀçºÎÆÃÈÄ ºÎÆ®¿£Æ®¸®°¡ º¸À̽ǰ̴ϴÙ. µÎ¹ø° Advaned ·Î °¡¼Å¼­ µÎ°¡Áö Ä¿³Î¹öÀüÁß¿¡ ¼±ÅÃÇØ ÁÖ¼¼¿ä.
                    
5.15 ·Î Ä¿³Î¹öÀü ³»·Áµµ Àß ÄÄÆÄÀÏ µÇ´Â°Í È®ÀÎ Çß½À´Ï´Ù.

Installing Intel SGX Driver ...
/tmp/sgx-driver-1lEXr7 ~/sgx
install -d /opt/intel/sgxdriver/package
install -d /opt/intel/sgxdriver/scripts
install package/* /opt/intel/sgxdriver/package
install scripts/* /opt/intel/sgxdriver/scripts
~/sgx
Warning: There is no need to install additional SGX driver with in-kernel SGX support.
/opt/intel/sgxdriver/package ~/sgx
make -C /lib/modules/5.15.0-97-generic/build M=/opt/intel/sgxdriver/package modules
make[1]: Entering directory '/usr/src/linux-headers-5.15.0-97-generic'
  CC [M]  /opt/intel/sgxdriver/package/sgx_main.o
  CC [M]  /opt/intel/sgxdriver/package/sgx_page_cache.o
  CC [M]  /opt/intel/sgxdriver/package/sgx_ioctl.o
  CC [M]  /opt/intel/sgxdriver/package/sgx_vma.o
  CC [M]  /opt/intel/sgxdriver/package/sgx_util.o
  CC [M]  /opt/intel/sgxdriver/package/sgx_encl.o
  CC [M]  /opt/intel/sgxdriver/package/sgx_encl2.o
  LD [M]  /opt/intel/sgxdriver/package/isgx.o
  MODPOST /opt/intel/sgxdriver/package/Module.symvers
  CC [M]  /opt/intel/sgxdriver/package/isgx.mod.o
  LD [M]  /opt/intel/sgxdriver/package/isgx.ko
  BTF [M] /opt/intel/sgxdriver/package/isgx.ko
Skipping BTF generation for /opt/intel/sgxdriver/package/isgx.ko due to unavailability of vmlinux
make[1]: Leaving directory '/usr/src/linux-headers-5.15.0-97-generic'

uninstall.sh script generated in "/opt/intel/sgxdriver".

Installation is successful!
Created symlink /etc/systemd/system/multi-user.target.wants/remount-dev-exec.service ¡æ /etc/systemd/system/remount-dev-exec.service.
\n\n###############################################
#####      Installing Intel SGX PSW          #####
###############################################\n\n
                         
ºòÇÈí 03-06
¹Ù»Ú½ÇÅÙµ¥ ÀÌ·¸°Ô ±îÁö ½Å°æ½áÁÖ½Ã¾î ³Ê¹«³Ê¹« °¨»çµå¸³´Ï´Ù. 5.15 Ä¿³Î·Î µµÀü Çغ¸°Ú½À´Ï´Ù. ^^
"È­Á¤Å¥»ï"´ÔÀÌ Ä£ÀýÇÏ°Ôµµ ÄÄÆÄÀÏÀÌ Àß µÈ´Ù´Â »ç½Ç±îÁö È®ÀÎÇØÁÖ¼ÌÀ¸´Ï..

ÇöÀç ¿ìºÐÅõ ¹öÀüÀÌ ¾ó¸¶ÀÎÁö?
ÄÄÆÄÀÏÇÏ°í Àִ ȯ°æÀÇ Ä¿³Î¹öÀüÀº?
¼³Ä¡ÇÏ·Á°í ÇÏ´Â SGXÀÇ ¹öÀüÀº?

´ëÃæ À§ÀÇ Á¶°ÇµéÀ» È®ÀÎÇغ¸¸é ´äÀÌ ³ª¿Ãµí Çϱº¿ä.
     
ºòÇÈí 03-06
Á¶¾ð °¨»çµå¸³´Ï´Ù.
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