1583, 1/80 ȸ¿ø°¡ÀÔ  ·Î±×ÀΠ 
   sporagame123
   trainer

http://www.hackerschool.org/HS_Boards/zboard.php?id=Free_Lectures&no=707 [º¹»ç]


trainer1 ¼ö¾÷


[trainer1@ftz trainer1]$
   ¡è       ¡è        ¡è    
Á¢¼Óid     ¼­¹ö  ÇöÀçÀ§Ä¡

dir=µð·ºÅ丮=Æú´õ

ls   =µð·ºÅ丮¿Í ÆÄÀϸ®½ºÆ® Ãâ·Â
ls -l  =µð·ºÅ丮¿Í ÆÄÀϱ¸ºÐ Ãâ·Â
ls -a  =¼û°ÜÁø ÆÄÀÏ Ãâ·Â
(.ÀÌ µé¾î°¡ÀÖ´Â ÆÄÀÏ= ¼û°ÜÁøÆÄÀÏ)
ls -al = µð·ºÅ丮,ÆÄÀÏ,¼û°ÜÁøÆÄÀÏÃâ·Â

trainer2 ¼ö¾÷

pwd = ÀÚ½ÅÀÌ ¾î¶² µð·ºÅ丮¿¡ µé¾î°¡ÀÖ´ÂÁö ¾Ë¼öÀÖ´Â ¸í·É

cd .. =ÇÑ´Ü°èÀ§·ÎÀ̵¿
cd µð·ºÅ丮¸í =ÇÑ´Ü°è³»·Á°¥¶§
cd / = Çѹø¿¡ ÃÖ»óÀ§µð·ºÅ丮·Î À̵¿
cd ÆÄÀϸí/ÆÄÀϸí
³»·Á°¥¶§ À̵¿

mkdir ¸¸µé°íÀÚÇÏ´ÂÀ̸§
= µð·ºÅ丮¸¸µå´Â¸í·É¾î

rmdir Áö¿ì°íÀÚÇÏ´ÂÀ̸§
= µð·ºÅ丮Áö¿ì´Â¸í·É¾î

cp ÆÄÀÏ1 ÆÄÀÏ2
ÆÄÀÏÀ»º¹»çÇÒ¶§¸í·É¾î
¿¹)
cp º¹»ç¿øº» º¹»ç»çº»
rm ÆÄÀÏ»èÁ¦ ¸í·É¾î
¿¹)
rm º¹»ç»çº»

mv ÆÄÀÏÀ»¿Å±â´Â¸í·É¾î
cp¿Í´Â´Þ¸® º¹»çÈÄ ¿øº»Àº ÀÚµ¿»èÁ¦ µÈ´Ù
µû¶ó¼­ À̸§º¯°Ï¿¡ ¸¹À̾²ÀδÙ.
¿¹)
mv º¹»ç¿øº» º¹»ç»çº»

trainer3 ¼ö¾÷


w = ¼­¹ö¿¡ Á¢¼ÓÇØÀÖ´Â »ç¶÷ È®ÀÎÇϴ¸í·É¾î
USER TTY      FROM      LOGIN@ IDLE  JCPU   PCPU  WHAT
guest pts/0 210.95.24.129 03:21am 3.10m 0.12s 0.01s -bash
    1       2              3                  4          5          6       7        8
1. ¾î¶²id·Î login Çß´ÂÁö
2. ÄܼÖorÅ͹̳ηÎÁ¢¼ÓÇß´ÂÁö¿©ºÎ
    tty=ÄܼÖÁ¢¼Ó pts= Å͹̳ÎÁ¢¼Ó
3. Á¢¼ÓÇÑ»ç¶÷ÀÇ ip   ÄܼÖÁ¢¼ÓÀº ip°¡³ªÅ¸³ªÁú¾Ê´Â´Ù
4. ·Î±×ÀÎÇÑ ½Ã°£
5. Áö¿¬½Ã°£ ¾Æ¹«°Íµµ¾ÈÇѽð£À»¾Ë¼öÀÖ´Ù
6. °¢»ç¿ëÀÚ cpu »ç¿ëÇÑ Áö¿¬½Ã°£
7. WHAT Çʵ忡ÀÖ´Â ¸í·É¾î Áö¿¬½Ã°£
8. Á¢¼ÓµÈ»ç¿ëÀÚ°¡ ÇöÀç ¾î¶²¸í·É¾î»ç¿ëÇÏ´ÂÁö¾Ë¼öÀÖ´Ù

finger -l = »ç¿ëÀÚµéÀÇ ¸¹ÀºÁ¤º¸¸¦ º¼¼öÀÖ´Ù.

tty = ÀÚ½ÅÀÇ Å͹̳ΠȮÀÎ ÇÏ´Â ¸í·É¾î
¿¹)
/dev/pts/11

ifconfig ÇöÀçÁ¢¼ÓÇÑ ¼­¹öÀÇ ipº¸´Â¹æ¹ý

ÂÊÁöº¸³»´Â¹æ¹ý
write ID /dev/pts/pts¹øÈ£
´ëÈ­ÁßÁö´Â  ctrl+dÅ°

¸ðµç »ç¿ëÀÚ¿¡°Ô ÂÊÁö¸¦ º¸³¾¶§   wall test

trainer4 ¼ö¾÷



bin = ¸®´ª½º½ÇÇàÆÄÀÏ

boot= ¸®´ª½ººÎÆðü·ÃÆÄÀÏ ¹× Ä¿³Î

dev= ÄÄÇ»ÅÍ¿¡¼³Ä¡µÈ Çϵå¿þ¾îÁ¤º¸

etc= Áß¿äÇÑÆÄÀϵé Æнº¿öµå ½¦µµ¿ì ±×¿Ü ¸®´ª½º¼³Á¤ÆÄÀϵî

home=ÀϹݻç¿ëÀÚµéÀÇ µð·ºÅ丮°¡ µé¾î°¡´Â°÷

lib=¶óÀ̺귯¸®ÆÄÀϵé

mnt= mount ¸í·ÉÀ»»ç¿ëÇÏ¿© ¸¶¿îÆ®½ÃŲ ½Ãµð·Ò Ç÷ÎÇ͵ð½ºÄϵîÀÌ µé¾î°¡´Â µð·ºÅ丮

proc= ÇÁ·Î¼¼½ºµéÀÌ ÆÄÀÏÇüÅ·¯ ÀúÀåµÇ´Â µð·ºÅ丮

root=ÀϹݻç¿ëÀÚµð·ºÅ丮´Â /home¿¡ Á¸ÀçÇÏÁö¸¸ ·çÆ®ÀÇȨµð·ºÅ丮´Â ÀÌ°÷¿¡ ÀúÀåµÈ´Ù

sbin ±âº»¸í·ÉÀ»Á¦¿ÜÇÑ
½Ã½ºÅÛ°ü¸®¿ë½ÇÇàÆÄÀÏÀ̵é¾îÀÖ´Ù

tmp=Àӽ÷ΠÆÄÀÏÀ» ÀúÀåÇÏ´Â µð·ºÅ丮 ±ÇÇÑ¿¡ »ó°ü¾øÀÌ ´©±¸³ª ÀÌ µð·ºÅ丮¿¡ ÆÄÀÏÀ»»ý¼ºÇÒ¼öÀÖ´Ù

usr=´Ù¾çÇÑ ÀÀ¿ëÇÁ·Î±×·¥µéÀÌ ¼³Ä¡µÇ¾îÀִ°÷

var=½Ã½ºÅۿÁß¿¡ °¢Á¾ÀÓ½ÃÆÄÀϵéÀ̵é¾î°¡ÀÖÀ¸¸ç ¿ÜºÎÁ¢¼Ó¿¡´ëÇÑ ·Î±×ÆÄÀϵéÀÌ ÀÌ°÷¿¡ÀúÀåµÈ´Ù.

/etc/passwd = »ç¿ëÀڵ鿡 ´ëÇÑ °£´ÜÇÑÁ¤º¸°¡µé¾îÀÖ´Ù.

/etc/shadow »ç¿ëÀÚµéÀÇ Æнº¿öµå°¡ µé¾îÀÖ´Ù ¾Æ¹«³ªº¸Áö¸øÇÑ´Ù

/etc/services = ¼­¹ö°¡ ¾î¶²¾î¶²¼­ºñ½º¸¦ÇÏ´ÂÁßÀÎÁöº¸¿©ÁØ´Ù

/etc/issue.net = óÀ½Á¢¼ÓµÉ¶§ ³ª¿À´ÂÈ­¸éÀÌ´Ù

/etc/motd = ·Î±×ÀÎÈÄ¿¡ ³ª¿À´Â ¸Þ½ÃÁö°¡µé¾îÀÖ´Ù.

~/public_html = °¢»ç¿ëÀÚµéÀÇ È¨ÆäÀÌÁöÆÄÀÏÀ̵é¾î°¡ÀÖ´Ù

trainer5


whoami =ÀÚ½ÅÀÌ´©±¸ÀÎÁö¾Ë¼öÀÖ´Ù.
id = whoamiº¸´Ù ´õÀÚ¼¼ÇÑÁ¤º¸¸¦¾Ë¼öÀÖ´Ù

cat /etc/passwd =»ç¿ëÀÚµéÀÌ ¾î¶²id¸¦»ç¿ëÇÏ´ÂÁö ¾Ë¼öÀÖ´Ù.

uname -a Ä¿³Î¹öÀüÀ» º¼ ¼ö ÀÕ´Ù.

cat /etc/*release = ¼­¹ö¿¡¼³Ä¡µÈ os¸¦º¼¼öÀÖ´Ù.

rpm -qa =ÆÐÅ°ÁöÁ¤º¸¸¦¾Ë¼öÀÖ´Ù.

cat /proc/cpuinfo = ÇØ´ç¼­¹ö cpuÁ¤º¸¸¦¾Ë¼öÀÖ´Ù.

trainer6

cat ÆÄÀÏÀ̸§ = ÆÄÀÏÀÇ ¼Ó³»¿ëÀ»º¼¼öÀÖ´Ù
root : x :0 : 0 : Admin : /root : /bin/bash
¡è    ¡è ¡è  ¡è     ¡è       ¡è        ¡è
id    ¾ÏÈ£         À̸§   À§Ä¡   ½ÇÇàÇÒÇÁ·Î±×·¥

trainer7

tar cvf ÇÕÄ¥ÆÄÀÏ ÇÕÄ¥ÆÄÀϵé = ÇÕÄ¡±â

tar xvf ÇØüÇÒÆÄÀÏ = ¾ÐÃàÇØÁ¦Çϱâ

c - Create : »õ·Î¿î ÆÄÀÏÀ» ¸¸µå´Â ¿É¼Ç
x - eXtract: ¾ÐÃàÀ» ÇØÁ¦½ÃÅ°´Â ¿É¼Ç

v - View : ¾ÐÃàÀÌ µÇ°Å³ª Ç®¸®´Â °úÁ¤À» Ãâ·ÂÇÏ´Â ¿É¼Ç
f - File : ÆÄÀϷμ­ ¹é¾÷À» ÇÏ°Ú´Ù´Â ¿É¼Ç
* = ¸ðµç ÆÄÀÏ

¿¹)
tar cvf songs.tar *

gzip ÆÄÀÏÀ̸§ = ¼±ÅÃµÈ ÆÄÀÏÀ» ¾ÐÃàÇÑ´Ù.
gzip -d ÆÄÀÏÀ̸§ - ¼±ÅÃµÈ ÆÄÀÏÀ» ÇØÁ¦ÇÑ´Ù.

tar : ¿©·¯ÆÄÀÏÀ» Çϳª·Î¹¶ÇôÁ®ÀÖ´Â ÆÄÀÏÀÌ´Ù
gz : gzip ÇÁ·Î±×·¥À» »ç¿ëÇÏ¿© ¾ÐÃàµÈ ÆÄÀÏ
tar.gz : tarÇÁ·Î±×·¥À»»ç¿ëÇÑÈÄ ¶Ç´Ù½Ã gzipÀ¸·Î¾ÐÃàÇÑÆÄÀÏ
tgz : tar.gz¸¦ ÇÕÃļ­ È®ÀåÀڷθ¸µé¶§¾²´ÂÆÄÀÏ

trainer8

cat > ÆÄÀÏÀ̸§.txt
= ÅؽºÆ®ÆÄÀÏ»ý¼º

ctrl+d ±Û»ý¼º

ls-al ÆÄÀÏÀ̸§
= ÆÄÀÏÁ¤º¸È®ÀÎÇÒ¼öÀÖ´Ù

cat test.txt
³»¿ëÀ»º¼¼öÀÖ´Ù.

cat >> test.txt
¸¶¹«¸® ctrl+d
³»¿ëÀ»Ãß°¡ÇÒ¼öÀÖ´Ù.

cat > program.c

int main(){

int a=10,b=20;

printf("10 + 20 = %d",a+b);}

clrl+d

ÄÄÆÄÀÏÇϴ¹æ¹ý

gcc -o ÇÁ·Î±×·¥À̸§ ¼Ò½ºÆÄÀÏÀ̸§

gcc -o program.exe program.c

ÇÁ·Î±×·¥À»½ÇÇà½ÃÅ°±âÀ§Çؼ­ Àý´ë°æ·Î¸¦´ÙÀû¾îÁà¾ßÇÑ´Ù ÇÏÁö¸¸
. ±â´ÉÀÌ ÇöÀçµð·ºÅ丮¸¦ÀǹÌÇÑ´Ù
¿¹)
./program.exe ¶ó°íÇصµµÈ´Ù

ls -al /usr/bin/passwd

find / -perm -4000

find / -usr root -perm -4000

ls -al /usr/bin/passwd

-perm ±ÇÇÑ°úÀÏÄ¡ÇÏ´ÂÆÄÀÏÀ»Ã£´Â´Ù
    ex) find / -perm 4755
-name À̸§°úÀÏÄ¡ÇÏ´ÂÆÄÀÏÀ»Ã£´Â´Ù
ex) find / -name cat

-user À¯Àú¿Í ÀÏÄ¡ÇÏ´Â ÆÄÀÏÀ»Ã£´Â´Ù
ex) find / -user mmung2
-group ±×·ì°ú ÀÏÄ¡ÇÏ´Â ÆÄÀÏÀ»Ã£´Â´Ù
ex) find / -group guta

find / -user level2 -perm -4000

my-pass

À̰ɿ÷ÁµµµÇ³ª ¿î¿µÀÚ´Ô¿¡°Ô ¾çÇظ¦±¸ÇغÃÀ¸³ª ´äº¯À̾ø´Â°ü°è·Î ¿Ã·È½À´Ï´Ù.

  Hit : 8799     Date : 2007/04/16 02:56



    
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1568 ºñ¹Ð±ÛÀÔ´Ï´Ù  °¨À»¸øÀâ°Ú³×¿ä¤Ì¤Ì     À×À×À×
01/15 3
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1 [2][3][4][5][6][7][8][9][10]..[80]

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