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¸®´ª½ºÆÁ Go Unix Power Tools Online Book
Go Bash Guide
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Read No. 82 article |
2002-01-27 02:02:36 |
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NickName |
Ç®ºñ´© |
Subject |
IP º¯°æ½Ã ¸ÞÀÏ·Î Àü¼Û ½ºÅ©¸³Æ® |
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±Û¾´ÀÌ: ¹Ú°æÈ£
Çã´þÇÑ ÆÁÀÔ´Ï´Ù...
Á¦°¡ µÑ³ÝÀ» ¾²´Âµ¥¿©...
À¯µ¿¾ÆÇǶó¼ ÄÓ¶§¸¶´Ù ip°¡ ¹Ù²ò´Ï´Ù. °¡²ûÀº ±×´ë·ÎÀ̱¸¿©...
±×·¡¼ Áý¹Û¿¡¼µµ ÄÄ¿¡ Á¢±ÙÇÒ ¼ö ÀÖµµ·Ï ½ºÅ©¸³Æ®¸¦ ¸¸µé¾îºÃ½À´Ï´Ù...
/etc/rc.d/rc.local¿¡ ¾Æ·¡¿Í °°ÀÌ µî·ÏÇØ µÎ¸é µÇ°ÚÁÒ...
/etc/startup/ip_send > /dev/null &
À¯µ¿ip¸¦ µµ¸ÞÀÎÀ¸·Î ¹Ù²ãÁÖ´Â ¼ºñ½ºµµ ÀÖ´øµ¥... ±×°É º°·Î ÁÁ¾ÆÇÏÁö ¾Ê´Â
ºÐµéÀº ½áº¸¼¼¿ä.. ip¸¸À¸·Î ã¾Æ°¡´Ï±î ÈÎ »¡¸® ¶ßÁÒ...
´Ù¸¥°Ç °Çµé ÇÊ¿ä ¾ø°í /etc/startup µð·ºÀ» ¸¸µé°í °Å±â´Ù ip_send, mail_list
ÆÄÀϸ¸ ¸¸µé¾îÁÖ¸é µË´Ï´Ù. Æ÷Æ®¸¦ ¹Ù²Ù¾î¼ ¿î¿µÇϽøé port ÆÄÀÏÀ» ¸¸µé°í °Å±â´Ù
¿øÇÏ´Â ³»¿ëÀ» Àû¾îÁÖ¸é µË´Ï´Ù.
¿ì¸®ÁýÀÌ µÑ³Ý¿¡¼ ip¸¦ ÇÊÅ͸µÇؼ www°ú ftp°¡ ¾ÈµÇ´õ±º¿ä... 80¹ø°ú 21¹øÀ¸·Î´Â...
±×·¡¼ ¹Ù²ã¼ µ¹¸®°í ÀÖ½À´Ï´Ù. ±×°Íµµ ¸ð¸£°í ±âº»Æ÷Æ®¿¡¼ ¾ÈµÈ´Ù°í ¸îÀÏÀ»
³¸®¸¦ Ãƴµ¥...
¿©±â´Â /etc/startup/ À̶ó´Â µð·ºÀ» ¸¸µé°í °Å±â¿¡ ÀúÀåµÇ¾î ÀÖ´Â ¸ð¾çÀÔ´Ï´Ù.
±×¸®°í mail_list¶ó´Â ÆÄÀÏÀ» ¸¸µé°í °Å±â¿¡´Ù º¸³¾ »ç¶÷ÀÇ ¸ÞÀÏÁÖ¼Ò¸¦ ÀûÀ¸¸é µË´Ï´Ù.
# /etc/startup/ip_send
#!/bin/sh
# ºÎÆ®½Ã¿¡ Áö³¹øÀÇ ip¿Í »õ·Î ¾òÀº ip°¡ ´Ù¸¦ °æ¿ì /etc/startup/ip ÆÄÀÏÀ» °»½ÅÇÏ°í
# »õ·Î¿î ip¸¦ mail_list¿¡ µî·ÏµÈ »ç¿ëÀÚ¿¡°Ô º¸³½´Ù.
IP_ADDR=`/sbin/ifconfig eth0 | grep inet | cut -c21-35 | grep '^[1-9]'`
# »õ·Î ¾òÀº ip¸¦ ±¸ÇÑ´Ù.
if [ -f /etc/startup/ip ]; then # ÆÄÀÏÀÌ ÀÖÀ» °æ¿ì...
OLD_IP_ADDR=`cat /etc/startup/ip`
else
OLD_IP_ADDR='192.168.0.1' # ÆÄÀÏÀÌ ¾øÀ¸¸é ±âº» ip¸¦
fi # ¼ÂÆÃÇÑ´Ù...
#echo "New ip_address is $IP_ADDR"
#echo "Old ip_address is $OLD_IP_ADDR"
if [ $OLD_IP_ADDR != $IP_ADDR ]; then
echo $IP_ADDR > /etc/startup/ip # »õ·Î¿î ip¸¦ ÆÄÀÏ¿¡ ¾´´Ù....
echo "Ip address is changed." > /etc/startup/ip_msg # ¸ÞÀÏ¿¡ ÀûÀ» ¸»µé..
echo "The new ip address is" >> /etc/startup/ip_msg
echo >> /etc/startup/ip_msg
echo "$IP_ADDR" >> /etc/startup/ip_msg
echo >> /etc/startup/ip_msg
echo >> /etc/startup/ip_msg
if [ -f /etc/startup/port ]; then
cat /etc/startup/port >> /etc/startup/ip_msg # Æ÷Æ®¹øÈ£°¡ ´Ù¸£¹Ç·Î °°ÀÌ º¸³½´Ù...
fi
if [ -f /etc/startup/mail_list ]; then
MAIL_LIST=$(grep '^[^#]' /etc/startup/mail_list | cut -d: -f1|sort|uniq)
# ÁÖ¼®¹®ÀÚ '#'·Î ½ÃÀÛÇÏ´Â ³ðÀ» Á¦¿ÜÇÑ ¸ðµç ÀÌ¿¡°Ô ¸ÞÀÏÀ»...
for i in $MAIL_LIST;do
# echo $i
cat /etc/startup/ip_msg | /bin/mail -s ip_address $i
done
else
echo "Please make your mail_list file..."
fi
fi
# /etc/startup/mail_list
# ÁÖ¼®Àº ¹Ýµå½Ã '#'°¡ ÇàÀÇ Ã¹ Ä÷³¿¡ ÀÖ¾î¾ß ÇÕ´Ï´Ù.
default_user at localhost.localdomain
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