#!/bin/bash # ==> James R. Van Zandt °¡ ÀÛ¼ºÇÑ ½ºÅ©¸³Æ®·Î ±×ÀÇ Çã¶ôÇÏ¿¡ ÀÌ°÷¿¡ ½Æ½À´Ï´Ù. # ==> ÀÌ ¹®¼ÀÇ ÀúÀÚ°¡ Ãß°¡ÇÑ ÁÖ¼®. HERE=`uname -n` # ==> È£½ºÆ®À̸§ THERE=bilbo echo "`date +%r`¿¡ $THERE ·Î ¹é¾÷À» ½ÃÀÛÇÕ´Ï´Ù" # ==> `date +%r` Àº ½Ã°£À» 12 ½Ã°£ Æ÷¸Ë("08:08:34 PM")À¸·Î ¸®ÅÏÇÕ´Ï´Ù. # /pipe °¡ º¸Åë ÆÄÀÏÀÌ ¾Æ´Ï°í ÁøÂ¥ ÆÄÀÌÇÁÀÎÁö È®ÀÎ. rm -rf /pipe mkfifo /pipe # ==> "/pipe"¶õ "³×ÀÓµå ÆÄÀÌÇÁ"(named pipd) ¸¸µé±â. # ==> 'su xyz' ´Â ¸í·É¾î¸¦ "xyz"¶õ »ç¿ëÀÚ·Î ½ÇÇà½Ãŵ´Ï´Ù. # ==> 'ssh' ´Â secure shellÀ» ¶ç¿ó´Ï´Ù(¿ø°ÝÁö ·Î±×ÀΠŬ¶óÀ̾ðÆ®). su xyz -c "ssh $THERE \"cat >/home/xyz/backup/${HERE}-daily.tar.gz\" < /pipe"& cd / tar -czf - bin boot dev etc home info lib man root sbin share usr var >/pipe # ==> ³×ÀÓµå ÆÄÀÌÇÁ(/pipe)¸¦ ½á¼ ÇÁ·Î¼¼½º³¢¸® Åë½ÅÀ» ÇÔ # ==> 'tar/gzip' Àº /pipe·Î ¾²°í, 'ssh'Àº /pipe¿¡¼ ÀÐÀ½ # ==> ÃÖÁ¾ °á°ú´Â / ÀÌÇÏÀÇ ¸ÞÀÎ µð·ºÅ丮µéÀÌ ¹é¾÷ µË´Ï´Ù. # ==> Áö±Ý °°Àº »óȲ¿¡¼ "À͸íÀÇ ÆÄÀÌÇÁ"ÀÎ | ´ë½Å ±× ¹Ý´ëÀÎ # ==> "³×ÀÓµå ÆÄÀÌÇÁ"¸¦ ¾´ °ÍÀÌ ¾î¶² ÀÌÁ¡ÀÌ ÀÖÀ»±î¿ä? # ==> À͸í ÆÄÀÌÇÁµµ Á¦´ë·Î µ¿ÀÛÇÒ±î¿ä? exit 0