Applied Mathematics 8
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³«»Ï¹Ô:
* Unix ¤¬Æ°¤¤¤Æ¤¤¤ë¤È¤¤¤¦¤³¤È [#l5c68048]
unix ¤È¤¤¤¦ OS ¤¬Æ°¤¤¤Æ¤¤¤ë¤È¤¤¤¦¤³¤È¤Ï¡¤¥æ¡¼¥¶¤ËÂФ·¤Æ¤µ...
¤µ¤Þ¤¶¤Þ¤Ê±þÅú¤ò¡Ö¥µ¡¼¥Ó¥¹¡×¤¹¤ë¤¿¤á¤Ë¡¤Çظå¤Ç¾ï¤ËÆ°¤¤¤Æ...
´õ˾Ä̤ê¤Î¥µ¡¼¥Ó¥¹¤ò¹Ô¤ï¤»¤ë¤¿¤á¤À¤±¤Ç¤Ï¤Ê¤¯¡¤Æ°ºî¤Î¸úΨ...
º£²ó¤Ï¤½¤¦¤·¤¿¡Ö¼«Æ°Åª¤Ëµ¯Æ°¤¹¤ë¥½¥Õ¥È¥¦¥§¥¢¡×¤Ë¤Ä¤¤¤Æ³Ø¤Ö.
* ¾ï¤ËÆ°¤¤¤Æ¤¤¤ë¥½¥Õ¥È¥¦¥§¥¢ [#z70430d0]
unix ¤Ë¸Â¤é¤º¡¤¤¢¤ëÄøÅ٤ε¬ÌϤΠOS ¤Ç¤Ï¤µ¤Þ¤¶¤Þ¤Ê¥µ¡¼¥Ó¥¹...
** Æ°¤¤¤Æ¤¤¤ë¥½¥Õ¥È¥¦¥§¥¢¤ò¸«¤ë¤Ë¤Ï? [#n6310b93]
ps -axu
¤È¤·¤Æ¤ß¤ë¤È¡¤Á´¤Æ¤Î¥×¥í¥»¥¹¤¬¸«¤¨¤ë.
¤¢¤ëÄøÅÙ¤Îʸ»ú¿ô¤Çɽ¼¨¤¬ÀÚ¤é¤ì¤Æ¤·¤Þ¤¤Îɤ¯Æɤá¤Ê¤¤¤È¤¤¤¦...
ps -axuww
¤Ê¤É¤È¤·¤è¤¦.
top
¤È¤¹¤ë¤È¡¤¥×¥í¥»¥¹¤Î¾õ¶·¤¬Æ°Åª¤Ë¤ß¤¨¡¤¤«¤Ä¡¤cpu ¤ä¥á¥â¥ê...
lsof -i4 -i6
lsof -i4 -i6 -P
¤È¤¹¤ë¤È¡¤¤É¤Î port ¤Ç¤É¤ó¤Ê¥½¥Õ¥È¤¬ÂÔ¤Á¼õ¤±¤Æ¤¤¤ë¤«¤¬Ê¬...
¤¿¤À¤·¡¤lsof ¤Ï¥¤¥ó¥¹¥È¡¼¥ë¤¬É¬ÍפÀ. ports ¤«¤é¤µ¤¯¤Ã¤È¥¤...
*** ¼Â½¬ [#p2060066]
lsof ¤ò¥¤¥ó¥¹¥È¡¼¥ë¤·¤Æ¤ª¤±.
** kernel [#acea2691]
OS ¤½¤Î¤â¤Î¡¤Ãæ³Ë¤Ç¤¢¤ë¥½¥Õ¥È¥¦¥§¥¢¤ÏÄ̾ï kernel ¤È¸Æ¤Ð¤ì...
kernel ¤ÎÌòÌܤϤ½¤Î OS ¾å¤ÇÆ°¤¯¥½¥Õ¥È¥¦¥§¥¢¤ÎÀ©¸æ¤È¡¤³Æ¥½...
¶ñÂÎŪ¤Ë¤Ï¡¤CPU ¤ä¥á¥â¥ê¤Ê¤É¤Î¥Ï¡¼¥É¥¦¥§¥¢¤Î´ðËÜŪ¤ÊÀ©¸æ...
kernel ¤Ï¸½ºß¤Î FreeBSD ¤Ç¤Ï /boot/kernel ¥Ç¥£¥ì¥¯¥È¥ê¤Ë...
kernel ¤ÎÆ°ºî¤òÊѤ¨¤ë¤Ë¤Ï¡¤ÀßÄê¤òÊѤ¨¤ëÊýË¡¤È kernel ¼«¿È...
¾Ü¤·¤¯½ñ¤¯¤È°Ê²¼¤ÎÄ̤ê¤Ç¤¢¤ë¡¥
- µ¯Æ°»þ¤ËÀßÄê¤òÊѤ¨¤ëÊýË¡
-- ¥Ö¡¼¥È¥í¡¼¥À¤Ë¡ÖÆþ¤Ã¤Æ¡×¤½¤³¤Ç¼êÆ°¤Ç½ñ¤´¹¤¨¤ë: µ¯Æ°»þ...
-- /boot/loader.conf ¤ò½ñ¤´¹¤¨¤Æ¤ª¤¤¤Æ¤«¤é(ºÆ)µ¯Æ°¤¹¤ë. ...
- Æ°ºîÃæ¤ËÀßÄê¤òÊѤ¨¤ëÊýË¡.
-- sysctl ¤ò»È¤¦. ¾ðÊó¤ò¤ß¤ë¤À¤±¤Ê¤éÌäÂê¤Ê¤¤¤Î¤Ç¡¤root ¤Ç
sysctl -a -h | less
¤Ê¤É¤È¤·¤Æ¤ß¤è¤¦. ¤Á¤Ê¤ß¤Ë¡¤½ñ¤´¹¤¨¤Æ¤ß¤¿¤±¤ì¤Ð sysctl -...
-- ¥«¡¼¥Í¥ë¥â¥¸¥å¡¼¥ë¤Î¥í¡¼¥É,¥¢¥ó¥í¡¼¥É¤ò¹Ô¤¦. ¥³¥Þ¥ó¥É...
- ¥«¡¼¥Í¥ë¤ò¥³¥ó¥Ñ¥¤¥ë¤·¤Æºî¤Ã¤Æ¤·¤Þ¤¦(¤«¤Ê¤êºÙ¤«¤¤¥«¥¹¥¿...
ÉáÄ̤ϡ¤/usr/src/sys/i386/conf ¤Ë¤¢¤ë GENERIC ¥Õ¥¡¥¤¥ë¤ò...
¤µ¤¹¤¬¤Ë¤³¤³¤Ç½ñ¤¤¤ì¤Ê¤¤¤Î¤Ç¡¤FreeBSD ¤Î¸øŪ»ñÎÁ¤Ç¤¢¤ë ...
¤³¤Î¼êË¡¤ÇFreeBSD ¤Î¡ÖÀǽ¡×¤òÂ礤¯ÊѤ¨¤ë¤³¤È¤¬¤Ç¤¤ë¤Î...
*** ¼Â½¬ [#x24db7ca]
¥í¡¼¥À¤ËÆþ¤Ã¤Æ¤ß¤è¤¦.
sysctl ¤ÎÀßÄêɽ¤òį¤á¤Æ¡¤Ê¬¤«¤ëÉôʬ¤¬¤Ê¤¤¤«Ãµ¤·¤Æ¤ß¤è.
** init [#ke7bd156]
unix OS ¤ÎÃæ¤Ç¡Ö¥×¥í¥°¥é¥à¡×¤È¤·¤Æ°Õ¼±¤µ¤ì¤ë¥×¥í¥°¥é¥à/¥×...
Ä̾ï¤Ï pid 1 ¤Ç¤¢¤ë((¤µ¤é¤Ë nest ¤·¤Æ init ¤òµ¯Æ°¤¹¤ë¤³¤È...
unix ¤Ç¤Ï init ¤ò½ü¤¤¤Æ¤¢¤é¤æ¤ë¥×¥í¥»¥¹¤Ï¡Ö¿Æ¥×¥í¥»¥¹¡×¤ò...
¤Ç¤¢¤ë¤Î¤Ç¡¤Á´¤Æ¤Î¥×¥í¥»¥¹¤Î±ó¤¤¿Æ¤Ë¤¢¤¿¤ë init ¤¬»à¤Ì¤È...
init ¤Ïµ¯Æ°¸å¡¤/etc/rc, /etc/rc.subr, /etc/rc.conf ¤Ê¤É¤ò...
¤è¤ê¾Ü¤·¤¯¤Ï¡¤init ¤Î¥Þ¥Ë¥å¥¢¥ë¤ò»²¾È¤µ¤ì¤¿¤¤.
*** ¼Â½¬ [#v45e760e]
init ¤Î¥Þ¥Ë¥å¥¢¥ë¤òÆɤà¤È¥«¡¼¥Í¥ë¤Î¥»¥¥å¥ê¥Æ¥£¥ì¥Ù¥ë¤Ë¤Ä...
Àè¤Î sysctl ¤Î½ÐÎϤǤ³¤ì¤ËÁêÅö¤¹¤ë¤Î¤Ï¤É¤³¤«Ä´¤Ù¤è((¥Þ¥Ë...
¤½¤·¤Æ¡¤¤½¤ÎÃͤ¬º£¤É¤¦¤Ê¤Ã¤Æ¤¤¤ë¤«Ä´¤Ù¤è.
¤Þ¤¿¡¤init ¤Î¥Þ¥Ë¥å¥¢¥ë¤òÆɤà¤È¡¤kill ¤Û¤²¤Û¤² 1 ¤Ë¤Ä¤¤¤Æ...
¤½¤ì¤é¤òÍý²ò¤·¤¿¾å¤Ç¡¤
kill -INT 1
¤ò¹Ô¤Ã¤Æ¤ß¤è(¤¿¤À¤·¡¤root ¤Ç¤Ê¤¤¤È½ÐÍè¤Ê¤¤¤«¤â¤·¤ì¤Ê¤¤¤è).
** Daemon [#yed897f0]
¤Ê¤ó¤é¤«¤Î¥µ¡¼¥Ó¥¹¤òÄ󶡤¹¤ë¤¿¤á¤Ë¥Ð¥Ã¥¯¥°¥é¥¦¥ó¥É¤Ç¾ï»þ...
¤¤¤º¤ìºÙ¤«¤¯¼¨¤¹¤¬¡¤¤½¤Î unix ¤Ç²¿¤¬¤Ç¤¤ë¤Î¤«¤Ï daemon ...
¤Þ¤º¤Ï¤É¤ó¤Ê daemon ¤¬º£Æ°¤¤¤Æ¤¤¤ë¤Î¤«¡¤Ì¾Á°¤À¤±¤Ç¤â¤ß¤Æ...
*** ¼Â½¬ [#g97d577d]
ps, top, lsof ¤Ë¤Ä¤¤¤Æ¤ÎÁàºî¤ò¤·¤Æ¤ß¤Æ¡¤º£¸½ºß¤É¤Î¤è¤¦¤Ê...
* ¥µ¡¼¥Ó¥¹Í׵᤬¤¢¤Ã¤¿¤È¤¤Ëµ¯Æ°¤µ¤ì¤ë¥½¥Õ¥È¥¦¥§¥¢ [#w8a3...
¾ï¤Ë¥Ð¥Ã¥¯¥°¥é¥¦¥ó¥É¤Ç¥½¥Õ¥È¤òÆ°¤«¤·¤Æ¤¤¤ë¤³¤È¤Ë¤Ï¼¡¤Î¤è...
-- ¤¹¤°È¿±þ¤Ç¤¤ë(ÍøÅÀ)
-- ¥á¥â¥ê¤ä CPU ¤ò¤½¤ì¤Ê¤ê¤Ë¾ÃÈñ¤¹¤ë(·çÅÀ¡Ë
¤½¤³¤Ç¡¤¡Ö¤¿¤Þ¤ËɬÍפʻþ¤¬¤¢¤ë¤¬Æä˿×®¤Ê¥ì¥¹¥Ý¥ó¥¹¤¬¤Ê...
¤³¤¦¤·¤¿ÍÑÅӤ˻Ȥï¤ì¤ë¤Î¤¬¡Ö¥¹¡¼¥Ñ¥µ¡¼¥Ð¡×"inetd" ((ÃΤé...
inetd ¤À¤±¤òΩ¤Á¾å¤²¤Æ¤ª¤±¤Ð¡¤É¬Íפ˱þ¤¸¤Æ¸Æ¤Ð¤ì¤¿¥½¥Õ¥È...
¤¿¤À¤·¡¤inetd ¤Ï¤½¤Î¡ÖÊØÍø¤µ¡×¤æ¤¨¤Ë¥»¥¥å¥ê¥Æ¥£Åª¤Ê´Ë¤µ...
** inetd ¤ò»È¤¦¤Ë¤Ï [#e36b7cc1]
inetd ¤ò»È¤¦¤Ë¤Ï¡¤
++ /etc/inetd.conf ¤Ç¸Æ¤Ð¤ì¤¿¤éΩ¤Á¾å¤¬¤ë¥½¥Õ¥È¥¦¥§¥¢¤ÎÀß...
++ inetd ¤¬¤½¤â¤½¤âΩ¤Á¾å¤¬¤Ã¤Æ¤¤¤Ê¤¤¤Ê¤é¤ÐΩ¤Á¾å¤²¤ë.
++ ³°¤«¤éÀܳ¤¬É¬Íפʥ½¥Õ¥È¤Î¾ì¹ç¤Ï¡¤Àܳµö²Ä¤ò½Ð¤·¤Æ¤ª¤¯.
¤È¤¤¤¦Ãʳ¬¤òƧ¤á¤Ð¤è¤¤.
°Ê²¼¡¤ÀâÌÀ¤·¤è¤¦.
** inetd ¤ò»È¤¦¤Ë¤Ï: /etc/inetd.conf ¤Î½ñ¤´¹¤¨ [#b5379e49]
// ¹õËܤΠp.400- ¤ò¸«¤ë¤ÈÃúÇ«¤Ë½ñ¤¤¤Æ¤¢¤ë.
/etc/inetd.conf ¤ò¸«¤ë¤È¼ÂÎ㤬½ñ¤«¤ì¥³¥á¥ó¥È¥¢¥¦¥È¤µ¤ì¤Æ...
7¹àÌܤ¢¤ëÆâÍƤòÂ礶¤Ã¤Ñ¤Ë½Ò¤Ù¤ë¤È¡¤º¸¤«¤é
++ ¥µ¡¼¥Ó¥¹Ì¾: /etc/services ¤Ë½ñ¤«¤ì¤Æ¤¤¤ë¤â¤Î¤È°ìÃפ·...
++ ¥½¥±¥Ã¥È¥¿¥¤¥×: Ä̾ï¤Ï TCP ¤Ê¤é¤Ð stream, UDP ¤Ê¤é¤Ð d...
++ ¥×¥í¥È¥³¥ë: Ä̾ï¤Ï TCP ¤« UDP ¤À. TCP ¤Ï¤ä¤ê¼è¤ê¤ò¤¹¤ë...
++ Àܳ¤·¤Æ¤«¤é¤Î inetd ¤ÎµóÆ°: Ä̾ï¤Ï TCP ¤Ê¤é¤Ð nowait ...
++ Ω¤Á¾å¤²¤ë deamon ¤Î¼Â¹Ô¸¢¸Â: ¥»¥¥å¥ê¥Æ¥£¤ò¹Í¤¨¤ÆÆüì...
++ Ω¤Á¾å¤²¤ë deamon ¤Îpath: ¥½¥Õ¥È¤Îºß½è. internal ¤È¤¤...
++ Ω¤Á¾å¤²¤ë deamon ¤Î¥³¥Þ¥ó¥É: ¥³¥Þ¥ó¥É¥é¥¤¥ó¥ª¥×¥·¥ç¥ó...
¤È¤Ê¤Ã¤Æ¤¤¤ë.
¤Ê¤ª¡¤´û¤Ë inetd ¤¬Æ°¤¤¤Æ¤¤¤ë¾õÂÖ¤Ç /etc/inetd.conf ¤ò½ñ...
kill -HUP (inetd ¤Îpid)
¤È¤¹¤ì¤Ð inetd.conf ¤òÆɤßľ¤·¤Æ¤¯¤ì¤ë.
*** ¼Â½¬ [#x10181d6]
»î¤·¤Ë¡¤¥Í¥Ã¥È¥ï¡¼¥¯¤ÇÀܳ¤·¤Æ¡Öº£Æü¤Î̾¸À¤òʹ¤»¤Æ¤¯¤ì¤ë...
¤½¤ì¤Ë¤Ï¡¤¥µ¡¼¥Ó¥¹¤òÍ׵ᤵ¤ì¤¿¤é¡Ö̾¸À¤ò½ÐÎϤ¹¤ë¡×¥×¥í¥°...
¤½¤¦¤·¤¿¥×¥í¥°¥é¥à¤Ë¤Ï fortune ¤È¤¤¤¦¤â¤Î¤¬ÃΤé¤ì¤Æ¤¤¤ë¤Î...
¤½¤Î¸å¡¤/etc/inetd.conf ¤Ë
qotd stream tcp nowait root /usr/games/fortune fortune
(Á´Éô¤Ç 7¹àÌÜ. ¹àÌܴ֤ϥ¿¥Ö¤Ç¶èÀÚ¤ë)
¤È½ñ¤²Ã¤¨¤ì¤Ð¤³¤Î½àÈ÷¤Ï½ª¤ê.
** inetd ¤ò»È¤¦¤Ë¤Ï: inetd ¤ÎΩ¤Á¾å¤² [#macde73e]
µ¯Æ°»þ¤Ë¤¤¤Ä¤âÆ°¤¯¤è¤¦¤Ë¤·¤Æ¤ª¤¯¤Ë¤Ï¡¤ /etc/rc.conf ¤Ë
inetd_enable="YES"
¤È½ñ¤¤¤Æ¤ª¤±¤Ð¤è¤¤.
¼êÆ°¤ÇΩ¤Á¾å¤²¤ë¤Ë¤Ï¡¤root ¤Ç
/etc/rc.d/inetd start
¤È¤¹¤ì¤Ð¤è¤¤.
*** ¼Â½¬ [#zd573706]
inetd ¤¬Æ°¤¯¤è¤¦¤Ë¤·¤è¤¦.
** inetd ¤ò»È¤¦¤Ë¤Ï: ³°¤«¤é¤ÎÀܳµö²Ä [#n3326344]
¥»¥¥å¥ê¥Æ¥£Âкö¤È¤·¤Æ¡¤TCP wrappers ¤Ë¤è¤ë¡ÖÀܳµö²Ä¡×À©...
inetd ¤Ï¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï¤³¤ÎÀܳµö²ÄÀ©ÅÙ¤òÍøÍѤ¹¤ë((ÍøÍѤ·...
¶ñÂÎŪ¤Ë¤Ï¡¤¤³¤Îµö²Ä¤¬¤É¤¦¤Ê¤Ã¤Æ¤¤¤ë¤«¤Ï /etc/hosts.allow...
µ½Ò¤Ï¸«¤ì¤Ðʬ¤«¤ë¤¬¡¤
¥×¥í¥°¥é¥à̾ : Àܳ¤·¤Æ¤¯¤ë¥Þ¥·¥ó̾ : µö²Ä/ÉÔµö²Ä
¤È¤¤¤¦¤è¤¦¤Ë¤Ê¤Ã¤Æ¤ª¤ê¡¤¾å¤Î¹Ô¤«¤é¡Ö³ºÅö¤¹¤ë¤«¤É¤¦¤«¡×¤ò...
¤½¤·¤Æ¡¤¡ÖºÇ½é¤Ë³ºÅö¤·¤¿ÀßÄê¡×¤¬Í¸ú¤Ë¤Ê¤ë»ÅÁȤߤÀ((¤è¤ê...
¤¿¤Ö¤ó¡¤³§¤Î½é´üÀßÄê¤Ç¤ÏºÇ½é¤ÎÊý¤Ë
ALL : ALL : allow
¤È½ñ¤¤¤Æ¤¢¤ë¤À¤í¤¦¤«¤é¡¤¤Þ¤º¤Ï¤¤¤¸¤é¤Ê¤¤¤Ç¤ª¤³¤¦.
¤³¤Î¾ì¹ç¡¤²¿¤Ç¤â̵À©¸Â¤ÇÀܳ¤µ¤ì¤ë¤³¤È¤Ë¤Ê¤ë¤Î¤Ç¡¤·×»»µ¡...
*** ¼Â½¬ [#c4ea0835]
telnet localhost 17
¤È¼«Ê¬¤Î¥Þ¥·¥ó¤ËÀܳ¤·¤Æ¤ß¤Æ¡¤º£Æü¤Î̾¸À¤¬½ÐÎϤµ¤ì¤ë¤«¸«¤è.
¼¡¤Ë¡¤¾¯¤Ê¤¯¤È¤â¼«Ê¬¤Ç¤Ê¤¤Â¾Æó¿Í¤Î¥Þ¥·¥ó¤ËÂФ·¤ÆƱÍͤË
telnet (Áê¼ê¥Þ¥·¥ó̾) 17
¤È¤·¤Æ¤¤Á¤ó¤È̾¸À¤¬½ÐÎϤµ¤ì¤ë¤«¸«¤è.
¼¡¤Ë¡¤/etc/hosts.allow ¤Î ALL : ALL : allow ¤è¤ê¤âÁ°¤Ë
ALL : localhost : allow
fortune : ALL : deny
¤È¤¤¤¦Æó¹Ô¤ò½ñ¤¹þ¤ó¤Ç¤«¤é((fortune ¤Ç¤Ï¤Ê¤¯¤Æ qotd ¤È½ñ...
¤½¤ì¤Ë¤Ï
/etc/rc.d/inetd stop; /etc/rc.d/inetd start
¤È¤¹¤ì¤Ð¤è¤¤.
¤½¤ì¤«¤é¡¤¼«Ê¬¤Î¥Þ¥·¥ó¤ËÀܳ¤·¤Æ¤ß¤Æ̾¸À¤¬½ÐÎϤµ¤ì¤ë¤³¤È...
* Äê´üŪ¤Ëµ¯Æ°¤µ¤ì¤ë¥½¥Õ¥È¥¦¥§¥¢ [#x20f09f3]
¾å¤Ë½Ò¤Ù¤¿¡Ö¤¤¤Ä¤âÆ°¤¤¤Æ¤¤¤ë¡×¡Ö¸Æ¤Ð¤ì¤¿¤éÆ°¤¯¤è¤¦¤ËÂÔµ¡...
¥·¥¹¥Æ¥à¤ÎÄ´ºº¤ä update ¤Ê¤É¡¤Äê´üŪ¤Ë¼Â¹Ô¤·¤¿Êý¤¬Îɤ¤¤â...
¶ñÂÎŪ¤Ê»ÅÁȤߤȤ·¤Æ¤Ï inetd ¤ËÎɤ¯»÷¤Æ¤ª¤ê¡¤Äê´üŪ¤Ë¤½¤ì...
** cron [#n8329585]
µ¯Æ°¸å¤Ï cron ¤Ï°ìʬËè¤ËÌܳФᡤ¤½¤ÎÅÙ¤ËÀßÄê¥Õ¥¡¥¤¥ë¤ò¥Á...
¤è¤Ã¤Æ¡¤ÀßÄê¥Õ¥¡¥¤¥ë¤ò½ñ¤´¹¤¨¤¿¸å¤Ë¤½¤Î·ë²Ì¤òÈ¿±Ç¤µ¤»¤ë...
cron ¤Ëºî¶È¤ò¤µ¤»¤ë¤¿¤á¤ÎÀßÄê¥Õ¥¡¥¤¥ë¤Ï°ìÈÌ¤Ë crontab ¤È...
++ /var/cron/tabs/¥æ¡¼¥¶Ì¾ ¡Ä ľÀÜ¥¨¥Ç¥£¥¿¤Ç¤¤¤¸¤é¤º¤Ë¡¤"c...
¤³¤Î¥³¥Þ¥ó¥É "crontab" ((º®Æ±¤·¤ä¤¹¤¤¤¬¡¤crontab ¤È¤¤¤¦¥³...
¤Þ¤¿¡¤¥Õ¥¡¥¤¥ë·Á¼°¤Ë¤Ä¤¤¤Æ¤Ï((/etc/crontab ¤¬Îɤ¤¥µ¥ó¥×¥ë...
¤¿¤À¤·¡¤¤³¤ÎÀßÄê¥Õ¥¡¥¤¥ë¤Ë½ñ¤¤¤¿ÆâÍƤ¬¼Â¹Ô¤µ¤ì¤ë¤«¤É¤¦¤«...
¤ª¤ª¤¶¤Ã¤Ñ¤Ë¤Ï¡¤/var/cron/allow ¥Õ¥¡¥¤¥ë¤Ë¤½¤Î¥æ¡¼¥¶Ì¾¤¬...
++ /etc/crontab ¡Ä ¥·¥¹¥Æ¥àÍÑ. ľÀÜ¥¨¥Ç¥£¥¿¤ÇÊÔ½¸¤¹¤ë.
*** ¼Â½¬ [#p9bcb06f]
cron ¤ò»È¤Ã¤Æ¤ß¤è¤¦.
¤Þ¤º¡¤Ä̾ï¥æ¡¼¥¶¤Ç¤â cron ¤¬»È¤¨¤ë¤è¤¦¤Ë¡¤/var/cron/allow...
¶ñÂÎŪ¤Ë¤Ï¡¤¥æ¡¼¥¶Ì¾¤Î¤ß¤ò½ñ¤¤¤¿¹Ô¤¬ /var/cron/allow ¤Ë¤¢...
¤½¤¦¤·¤¿¤éÄ̾ï¥æ¡¼¥¶¤Ç cron ¤ò»È¤Ã¤Æ¤ß¤è¤¦.
crontab -e
¤È¤·¤Æ¡¤Å¬Åö¤ÊÆâÍƤòÅÐÏ¿¤·¤Æ¤ß¤ë¤È¤¤¤¦¤³¤È¤À. Î㤨¤Ð¡¤
*/1 * * * * tail /var/log/messages >> ŬÅö¤Ê¥Õ¥¡¥¤¥ë̾
(Á´Éô¤Ç6¹àÌÜ. ¹àÌܴ֤ϥ¿¥Ö¤Ç¶èÀÚ¤ë. ºÇ¸å¤Î¹àÌÜ "tail ... ...
¤Ê¤É¤ÈÅÐÏ¿¤·¤Æ¤ª¤±¤Ð¡¤messages ¤ÎºÇ¸å¤Î 10¹Ô¤¬ 1ʬËè¤ËÄÉ...
ÅÐÏ¿¤Ç¤¤¿¤«¤É¤¦¤«
crontab -l
¤È¤¹¤ì¤Ð¤ï¤«¤ë.
¤Ç¡¤¼ÂºÝ¤ËÆ°¤¤¤Æ¤¤¤ë¤«¤É¤¦¤«¤Ï¡¤(root¤Ç) /var/log/cron ¤ò...
¤¦¤Þ¤¯¤¤¤«¤Ê¤¤¾ì¹ç¤Ï¡¤¥í¥°¤ò¤ß¤ÆÅÐÏ¿¤ËÌäÂ꤬¤Ê¤¤¤«¤è¤¯¤ß...
¤Þ¤¿¡¤ÅÐÏ¿¤¬Í¸ú¤Ë¤Ê¤Ã¤Æ¤¤¤Ê¤¤¤È¤¤¤¦¤è¤¦¤Ê¾ì¹ç¤Ï¡¤cron ¤Ë...
(¤¦¤Þ¤¯¤¤¤Ã¤¿¤¢¤È¤ÏºÆ¤Ó crontab -e ¤Ê¤É¤ò»È¤Ã¤ÆÅÐÏ¿¤ò³°¤·...
** periodic [#we45ceec]
Äê´üŪ¤Ë¹Ô¤ï¤ì¤ë¥·¥¹¥Æ¥àºî¶È¤Î¤¦¤ÁÆäËŵ·¿Åª¤Ê¤â¤Î¤Ï /etc...
¤³¤Î periodic ¥³¥Þ¥ó¥É¤Ï cron ¤Ç¤è¤Ð¤ì¤ë¤è¤¦¤Ë¤Ê¤Ã¤Æ¤¤¤ë(...
periodic ¥³¥Þ¥ó¥É¤ÎÀßÄê¤Ï /etc/periodic.conf ¤Ç¤Ê¤µ¤ì¤ë.
¤½¤Î¥Ç¥Õ¥©¥ë¥ÈÃÍ¤Ï /etc/defaults/periodic.conf ¤Ë½ñ¤«¤ì¤Æ...
** newsyslog [#y66b6442]
newsyslog ¤â cron ¤«¤é¸Æ¤Ó½Ð¤µ¤ì¤ë¤³¤È¤òÁÛÄꤷ¤Æ¤¤¤ë¥½¥Õ...
¶ñÂÎŪ¤Ë¤Ï¡¤¸½ºß¤Î¥í¥°¥Õ¥¡¥¤¥ë¤ò̾Á°¤òÊѤ¨¤ÆÊݸ¤·¤Æ¡¤¿·...
ÀßÄê¤Ï /etc/newsyslog.conf ¤Ç¹Ô¤ï¤ì¤ë.
¤³¤ÎÀßÄê¤òŬÀڤ˹ԤʤäƤª¤«¤Ê¤¤¤È¡¤¥í¥°¥Õ¥¡¥¤¥ë¤¬Â礤¯...
*** ¼Â½¬ [#q8c6ee6e]
/etc/newsyslog.conf ¤òÆɤó¤Ç¡¤º£¤Î»þÅÀ¤Ç¤É¤Î¤è¤¦¤Ê¥í¥°¥Õ...
* ¥ì¥Ý¡¼¥È [#i2b13dee]
ËÜÆü¹Ô¤Ã¤¿ºî¶È¤ÎÊó¹ð¡¤¤ª¤è¤Óº£Æ°¤¤¤Æ¤¤¤ë daemon ¤Ë¤Ä¤¤¤Æ...
¤â¤Á¤í¤ó³Æ¼«¤Î¡Ö½ê°¡¤³Øǯ¡¤³ØÀÒÈֹ桤»á̾¡×¤ò½ñ¤¯¤Î¤ò˺...
½ªÎ»¹Ô:
* Unix ¤¬Æ°¤¤¤Æ¤¤¤ë¤È¤¤¤¦¤³¤È [#l5c68048]
unix ¤È¤¤¤¦ OS ¤¬Æ°¤¤¤Æ¤¤¤ë¤È¤¤¤¦¤³¤È¤Ï¡¤¥æ¡¼¥¶¤ËÂФ·¤Æ¤µ...
¤µ¤Þ¤¶¤Þ¤Ê±þÅú¤ò¡Ö¥µ¡¼¥Ó¥¹¡×¤¹¤ë¤¿¤á¤Ë¡¤Çظå¤Ç¾ï¤ËÆ°¤¤¤Æ...
´õ˾Ä̤ê¤Î¥µ¡¼¥Ó¥¹¤ò¹Ô¤ï¤»¤ë¤¿¤á¤À¤±¤Ç¤Ï¤Ê¤¯¡¤Æ°ºî¤Î¸úΨ...
º£²ó¤Ï¤½¤¦¤·¤¿¡Ö¼«Æ°Åª¤Ëµ¯Æ°¤¹¤ë¥½¥Õ¥È¥¦¥§¥¢¡×¤Ë¤Ä¤¤¤Æ³Ø¤Ö.
* ¾ï¤ËÆ°¤¤¤Æ¤¤¤ë¥½¥Õ¥È¥¦¥§¥¢ [#z70430d0]
unix ¤Ë¸Â¤é¤º¡¤¤¢¤ëÄøÅ٤ε¬ÌϤΠOS ¤Ç¤Ï¤µ¤Þ¤¶¤Þ¤Ê¥µ¡¼¥Ó¥¹...
** Æ°¤¤¤Æ¤¤¤ë¥½¥Õ¥È¥¦¥§¥¢¤ò¸«¤ë¤Ë¤Ï? [#n6310b93]
ps -axu
¤È¤·¤Æ¤ß¤ë¤È¡¤Á´¤Æ¤Î¥×¥í¥»¥¹¤¬¸«¤¨¤ë.
¤¢¤ëÄøÅÙ¤Îʸ»ú¿ô¤Çɽ¼¨¤¬ÀÚ¤é¤ì¤Æ¤·¤Þ¤¤Îɤ¯Æɤá¤Ê¤¤¤È¤¤¤¦...
ps -axuww
¤Ê¤É¤È¤·¤è¤¦.
top
¤È¤¹¤ë¤È¡¤¥×¥í¥»¥¹¤Î¾õ¶·¤¬Æ°Åª¤Ë¤ß¤¨¡¤¤«¤Ä¡¤cpu ¤ä¥á¥â¥ê...
lsof -i4 -i6
lsof -i4 -i6 -P
¤È¤¹¤ë¤È¡¤¤É¤Î port ¤Ç¤É¤ó¤Ê¥½¥Õ¥È¤¬ÂÔ¤Á¼õ¤±¤Æ¤¤¤ë¤«¤¬Ê¬...
¤¿¤À¤·¡¤lsof ¤Ï¥¤¥ó¥¹¥È¡¼¥ë¤¬É¬ÍפÀ. ports ¤«¤é¤µ¤¯¤Ã¤È¥¤...
*** ¼Â½¬ [#p2060066]
lsof ¤ò¥¤¥ó¥¹¥È¡¼¥ë¤·¤Æ¤ª¤±.
** kernel [#acea2691]
OS ¤½¤Î¤â¤Î¡¤Ãæ³Ë¤Ç¤¢¤ë¥½¥Õ¥È¥¦¥§¥¢¤ÏÄ̾ï kernel ¤È¸Æ¤Ð¤ì...
kernel ¤ÎÌòÌܤϤ½¤Î OS ¾å¤ÇÆ°¤¯¥½¥Õ¥È¥¦¥§¥¢¤ÎÀ©¸æ¤È¡¤³Æ¥½...
¶ñÂÎŪ¤Ë¤Ï¡¤CPU ¤ä¥á¥â¥ê¤Ê¤É¤Î¥Ï¡¼¥É¥¦¥§¥¢¤Î´ðËÜŪ¤ÊÀ©¸æ...
kernel ¤Ï¸½ºß¤Î FreeBSD ¤Ç¤Ï /boot/kernel ¥Ç¥£¥ì¥¯¥È¥ê¤Ë...
kernel ¤ÎÆ°ºî¤òÊѤ¨¤ë¤Ë¤Ï¡¤ÀßÄê¤òÊѤ¨¤ëÊýË¡¤È kernel ¼«¿È...
¾Ü¤·¤¯½ñ¤¯¤È°Ê²¼¤ÎÄ̤ê¤Ç¤¢¤ë¡¥
- µ¯Æ°»þ¤ËÀßÄê¤òÊѤ¨¤ëÊýË¡
-- ¥Ö¡¼¥È¥í¡¼¥À¤Ë¡ÖÆþ¤Ã¤Æ¡×¤½¤³¤Ç¼êÆ°¤Ç½ñ¤´¹¤¨¤ë: µ¯Æ°»þ...
-- /boot/loader.conf ¤ò½ñ¤´¹¤¨¤Æ¤ª¤¤¤Æ¤«¤é(ºÆ)µ¯Æ°¤¹¤ë. ...
- Æ°ºîÃæ¤ËÀßÄê¤òÊѤ¨¤ëÊýË¡.
-- sysctl ¤ò»È¤¦. ¾ðÊó¤ò¤ß¤ë¤À¤±¤Ê¤éÌäÂê¤Ê¤¤¤Î¤Ç¡¤root ¤Ç
sysctl -a -h | less
¤Ê¤É¤È¤·¤Æ¤ß¤è¤¦. ¤Á¤Ê¤ß¤Ë¡¤½ñ¤´¹¤¨¤Æ¤ß¤¿¤±¤ì¤Ð sysctl -...
-- ¥«¡¼¥Í¥ë¥â¥¸¥å¡¼¥ë¤Î¥í¡¼¥É,¥¢¥ó¥í¡¼¥É¤ò¹Ô¤¦. ¥³¥Þ¥ó¥É...
- ¥«¡¼¥Í¥ë¤ò¥³¥ó¥Ñ¥¤¥ë¤·¤Æºî¤Ã¤Æ¤·¤Þ¤¦(¤«¤Ê¤êºÙ¤«¤¤¥«¥¹¥¿...
ÉáÄ̤ϡ¤/usr/src/sys/i386/conf ¤Ë¤¢¤ë GENERIC ¥Õ¥¡¥¤¥ë¤ò...
¤µ¤¹¤¬¤Ë¤³¤³¤Ç½ñ¤¤¤ì¤Ê¤¤¤Î¤Ç¡¤FreeBSD ¤Î¸øŪ»ñÎÁ¤Ç¤¢¤ë ...
¤³¤Î¼êË¡¤ÇFreeBSD ¤Î¡ÖÀǽ¡×¤òÂ礤¯ÊѤ¨¤ë¤³¤È¤¬¤Ç¤¤ë¤Î...
*** ¼Â½¬ [#x24db7ca]
¥í¡¼¥À¤ËÆþ¤Ã¤Æ¤ß¤è¤¦.
sysctl ¤ÎÀßÄêɽ¤òį¤á¤Æ¡¤Ê¬¤«¤ëÉôʬ¤¬¤Ê¤¤¤«Ãµ¤·¤Æ¤ß¤è.
** init [#ke7bd156]
unix OS ¤ÎÃæ¤Ç¡Ö¥×¥í¥°¥é¥à¡×¤È¤·¤Æ°Õ¼±¤µ¤ì¤ë¥×¥í¥°¥é¥à/¥×...
Ä̾ï¤Ï pid 1 ¤Ç¤¢¤ë((¤µ¤é¤Ë nest ¤·¤Æ init ¤òµ¯Æ°¤¹¤ë¤³¤È...
unix ¤Ç¤Ï init ¤ò½ü¤¤¤Æ¤¢¤é¤æ¤ë¥×¥í¥»¥¹¤Ï¡Ö¿Æ¥×¥í¥»¥¹¡×¤ò...
¤Ç¤¢¤ë¤Î¤Ç¡¤Á´¤Æ¤Î¥×¥í¥»¥¹¤Î±ó¤¤¿Æ¤Ë¤¢¤¿¤ë init ¤¬»à¤Ì¤È...
init ¤Ïµ¯Æ°¸å¡¤/etc/rc, /etc/rc.subr, /etc/rc.conf ¤Ê¤É¤ò...
¤è¤ê¾Ü¤·¤¯¤Ï¡¤init ¤Î¥Þ¥Ë¥å¥¢¥ë¤ò»²¾È¤µ¤ì¤¿¤¤.
*** ¼Â½¬ [#v45e760e]
init ¤Î¥Þ¥Ë¥å¥¢¥ë¤òÆɤà¤È¥«¡¼¥Í¥ë¤Î¥»¥¥å¥ê¥Æ¥£¥ì¥Ù¥ë¤Ë¤Ä...
Àè¤Î sysctl ¤Î½ÐÎϤǤ³¤ì¤ËÁêÅö¤¹¤ë¤Î¤Ï¤É¤³¤«Ä´¤Ù¤è((¥Þ¥Ë...
¤½¤·¤Æ¡¤¤½¤ÎÃͤ¬º£¤É¤¦¤Ê¤Ã¤Æ¤¤¤ë¤«Ä´¤Ù¤è.
¤Þ¤¿¡¤init ¤Î¥Þ¥Ë¥å¥¢¥ë¤òÆɤà¤È¡¤kill ¤Û¤²¤Û¤² 1 ¤Ë¤Ä¤¤¤Æ...
¤½¤ì¤é¤òÍý²ò¤·¤¿¾å¤Ç¡¤
kill -INT 1
¤ò¹Ô¤Ã¤Æ¤ß¤è(¤¿¤À¤·¡¤root ¤Ç¤Ê¤¤¤È½ÐÍè¤Ê¤¤¤«¤â¤·¤ì¤Ê¤¤¤è).
** Daemon [#yed897f0]
¤Ê¤ó¤é¤«¤Î¥µ¡¼¥Ó¥¹¤òÄ󶡤¹¤ë¤¿¤á¤Ë¥Ð¥Ã¥¯¥°¥é¥¦¥ó¥É¤Ç¾ï»þ...
¤¤¤º¤ìºÙ¤«¤¯¼¨¤¹¤¬¡¤¤½¤Î unix ¤Ç²¿¤¬¤Ç¤¤ë¤Î¤«¤Ï daemon ...
¤Þ¤º¤Ï¤É¤ó¤Ê daemon ¤¬º£Æ°¤¤¤Æ¤¤¤ë¤Î¤«¡¤Ì¾Á°¤À¤±¤Ç¤â¤ß¤Æ...
*** ¼Â½¬ [#g97d577d]
ps, top, lsof ¤Ë¤Ä¤¤¤Æ¤ÎÁàºî¤ò¤·¤Æ¤ß¤Æ¡¤º£¸½ºß¤É¤Î¤è¤¦¤Ê...
* ¥µ¡¼¥Ó¥¹Í׵᤬¤¢¤Ã¤¿¤È¤¤Ëµ¯Æ°¤µ¤ì¤ë¥½¥Õ¥È¥¦¥§¥¢ [#w8a3...
¾ï¤Ë¥Ð¥Ã¥¯¥°¥é¥¦¥ó¥É¤Ç¥½¥Õ¥È¤òÆ°¤«¤·¤Æ¤¤¤ë¤³¤È¤Ë¤Ï¼¡¤Î¤è...
-- ¤¹¤°È¿±þ¤Ç¤¤ë(ÍøÅÀ)
-- ¥á¥â¥ê¤ä CPU ¤ò¤½¤ì¤Ê¤ê¤Ë¾ÃÈñ¤¹¤ë(·çÅÀ¡Ë
¤½¤³¤Ç¡¤¡Ö¤¿¤Þ¤ËɬÍפʻþ¤¬¤¢¤ë¤¬Æä˿×®¤Ê¥ì¥¹¥Ý¥ó¥¹¤¬¤Ê...
¤³¤¦¤·¤¿ÍÑÅӤ˻Ȥï¤ì¤ë¤Î¤¬¡Ö¥¹¡¼¥Ñ¥µ¡¼¥Ð¡×"inetd" ((ÃΤé...
inetd ¤À¤±¤òΩ¤Á¾å¤²¤Æ¤ª¤±¤Ð¡¤É¬Íפ˱þ¤¸¤Æ¸Æ¤Ð¤ì¤¿¥½¥Õ¥È...
¤¿¤À¤·¡¤inetd ¤Ï¤½¤Î¡ÖÊØÍø¤µ¡×¤æ¤¨¤Ë¥»¥¥å¥ê¥Æ¥£Åª¤Ê´Ë¤µ...
** inetd ¤ò»È¤¦¤Ë¤Ï [#e36b7cc1]
inetd ¤ò»È¤¦¤Ë¤Ï¡¤
++ /etc/inetd.conf ¤Ç¸Æ¤Ð¤ì¤¿¤éΩ¤Á¾å¤¬¤ë¥½¥Õ¥È¥¦¥§¥¢¤ÎÀß...
++ inetd ¤¬¤½¤â¤½¤âΩ¤Á¾å¤¬¤Ã¤Æ¤¤¤Ê¤¤¤Ê¤é¤ÐΩ¤Á¾å¤²¤ë.
++ ³°¤«¤éÀܳ¤¬É¬Íפʥ½¥Õ¥È¤Î¾ì¹ç¤Ï¡¤Àܳµö²Ä¤ò½Ð¤·¤Æ¤ª¤¯.
¤È¤¤¤¦Ãʳ¬¤òƧ¤á¤Ð¤è¤¤.
°Ê²¼¡¤ÀâÌÀ¤·¤è¤¦.
** inetd ¤ò»È¤¦¤Ë¤Ï: /etc/inetd.conf ¤Î½ñ¤´¹¤¨ [#b5379e49]
// ¹õËܤΠp.400- ¤ò¸«¤ë¤ÈÃúÇ«¤Ë½ñ¤¤¤Æ¤¢¤ë.
/etc/inetd.conf ¤ò¸«¤ë¤È¼ÂÎ㤬½ñ¤«¤ì¥³¥á¥ó¥È¥¢¥¦¥È¤µ¤ì¤Æ...
7¹àÌܤ¢¤ëÆâÍƤòÂ礶¤Ã¤Ñ¤Ë½Ò¤Ù¤ë¤È¡¤º¸¤«¤é
++ ¥µ¡¼¥Ó¥¹Ì¾: /etc/services ¤Ë½ñ¤«¤ì¤Æ¤¤¤ë¤â¤Î¤È°ìÃפ·...
++ ¥½¥±¥Ã¥È¥¿¥¤¥×: Ä̾ï¤Ï TCP ¤Ê¤é¤Ð stream, UDP ¤Ê¤é¤Ð d...
++ ¥×¥í¥È¥³¥ë: Ä̾ï¤Ï TCP ¤« UDP ¤À. TCP ¤Ï¤ä¤ê¼è¤ê¤ò¤¹¤ë...
++ Àܳ¤·¤Æ¤«¤é¤Î inetd ¤ÎµóÆ°: Ä̾ï¤Ï TCP ¤Ê¤é¤Ð nowait ...
++ Ω¤Á¾å¤²¤ë deamon ¤Î¼Â¹Ô¸¢¸Â: ¥»¥¥å¥ê¥Æ¥£¤ò¹Í¤¨¤ÆÆüì...
++ Ω¤Á¾å¤²¤ë deamon ¤Îpath: ¥½¥Õ¥È¤Îºß½è. internal ¤È¤¤...
++ Ω¤Á¾å¤²¤ë deamon ¤Î¥³¥Þ¥ó¥É: ¥³¥Þ¥ó¥É¥é¥¤¥ó¥ª¥×¥·¥ç¥ó...
¤È¤Ê¤Ã¤Æ¤¤¤ë.
¤Ê¤ª¡¤´û¤Ë inetd ¤¬Æ°¤¤¤Æ¤¤¤ë¾õÂÖ¤Ç /etc/inetd.conf ¤ò½ñ...
kill -HUP (inetd ¤Îpid)
¤È¤¹¤ì¤Ð inetd.conf ¤òÆɤßľ¤·¤Æ¤¯¤ì¤ë.
*** ¼Â½¬ [#x10181d6]
»î¤·¤Ë¡¤¥Í¥Ã¥È¥ï¡¼¥¯¤ÇÀܳ¤·¤Æ¡Öº£Æü¤Î̾¸À¤òʹ¤»¤Æ¤¯¤ì¤ë...
¤½¤ì¤Ë¤Ï¡¤¥µ¡¼¥Ó¥¹¤òÍ׵ᤵ¤ì¤¿¤é¡Ö̾¸À¤ò½ÐÎϤ¹¤ë¡×¥×¥í¥°...
¤½¤¦¤·¤¿¥×¥í¥°¥é¥à¤Ë¤Ï fortune ¤È¤¤¤¦¤â¤Î¤¬ÃΤé¤ì¤Æ¤¤¤ë¤Î...
¤½¤Î¸å¡¤/etc/inetd.conf ¤Ë
qotd stream tcp nowait root /usr/games/fortune fortune
(Á´Éô¤Ç 7¹àÌÜ. ¹àÌܴ֤ϥ¿¥Ö¤Ç¶èÀÚ¤ë)
¤È½ñ¤²Ã¤¨¤ì¤Ð¤³¤Î½àÈ÷¤Ï½ª¤ê.
** inetd ¤ò»È¤¦¤Ë¤Ï: inetd ¤ÎΩ¤Á¾å¤² [#macde73e]
µ¯Æ°»þ¤Ë¤¤¤Ä¤âÆ°¤¯¤è¤¦¤Ë¤·¤Æ¤ª¤¯¤Ë¤Ï¡¤ /etc/rc.conf ¤Ë
inetd_enable="YES"
¤È½ñ¤¤¤Æ¤ª¤±¤Ð¤è¤¤.
¼êÆ°¤ÇΩ¤Á¾å¤²¤ë¤Ë¤Ï¡¤root ¤Ç
/etc/rc.d/inetd start
¤È¤¹¤ì¤Ð¤è¤¤.
*** ¼Â½¬ [#zd573706]
inetd ¤¬Æ°¤¯¤è¤¦¤Ë¤·¤è¤¦.
** inetd ¤ò»È¤¦¤Ë¤Ï: ³°¤«¤é¤ÎÀܳµö²Ä [#n3326344]
¥»¥¥å¥ê¥Æ¥£Âкö¤È¤·¤Æ¡¤TCP wrappers ¤Ë¤è¤ë¡ÖÀܳµö²Ä¡×À©...
inetd ¤Ï¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï¤³¤ÎÀܳµö²ÄÀ©ÅÙ¤òÍøÍѤ¹¤ë((ÍøÍѤ·...
¶ñÂÎŪ¤Ë¤Ï¡¤¤³¤Îµö²Ä¤¬¤É¤¦¤Ê¤Ã¤Æ¤¤¤ë¤«¤Ï /etc/hosts.allow...
µ½Ò¤Ï¸«¤ì¤Ðʬ¤«¤ë¤¬¡¤
¥×¥í¥°¥é¥à̾ : Àܳ¤·¤Æ¤¯¤ë¥Þ¥·¥ó̾ : µö²Ä/ÉÔµö²Ä
¤È¤¤¤¦¤è¤¦¤Ë¤Ê¤Ã¤Æ¤ª¤ê¡¤¾å¤Î¹Ô¤«¤é¡Ö³ºÅö¤¹¤ë¤«¤É¤¦¤«¡×¤ò...
¤½¤·¤Æ¡¤¡ÖºÇ½é¤Ë³ºÅö¤·¤¿ÀßÄê¡×¤¬Í¸ú¤Ë¤Ê¤ë»ÅÁȤߤÀ((¤è¤ê...
¤¿¤Ö¤ó¡¤³§¤Î½é´üÀßÄê¤Ç¤ÏºÇ½é¤ÎÊý¤Ë
ALL : ALL : allow
¤È½ñ¤¤¤Æ¤¢¤ë¤À¤í¤¦¤«¤é¡¤¤Þ¤º¤Ï¤¤¤¸¤é¤Ê¤¤¤Ç¤ª¤³¤¦.
¤³¤Î¾ì¹ç¡¤²¿¤Ç¤â̵À©¸Â¤ÇÀܳ¤µ¤ì¤ë¤³¤È¤Ë¤Ê¤ë¤Î¤Ç¡¤·×»»µ¡...
*** ¼Â½¬ [#c4ea0835]
telnet localhost 17
¤È¼«Ê¬¤Î¥Þ¥·¥ó¤ËÀܳ¤·¤Æ¤ß¤Æ¡¤º£Æü¤Î̾¸À¤¬½ÐÎϤµ¤ì¤ë¤«¸«¤è.
¼¡¤Ë¡¤¾¯¤Ê¤¯¤È¤â¼«Ê¬¤Ç¤Ê¤¤Â¾Æó¿Í¤Î¥Þ¥·¥ó¤ËÂФ·¤ÆƱÍͤË
telnet (Áê¼ê¥Þ¥·¥ó̾) 17
¤È¤·¤Æ¤¤Á¤ó¤È̾¸À¤¬½ÐÎϤµ¤ì¤ë¤«¸«¤è.
¼¡¤Ë¡¤/etc/hosts.allow ¤Î ALL : ALL : allow ¤è¤ê¤âÁ°¤Ë
ALL : localhost : allow
fortune : ALL : deny
¤È¤¤¤¦Æó¹Ô¤ò½ñ¤¹þ¤ó¤Ç¤«¤é((fortune ¤Ç¤Ï¤Ê¤¯¤Æ qotd ¤È½ñ...
¤½¤ì¤Ë¤Ï
/etc/rc.d/inetd stop; /etc/rc.d/inetd start
¤È¤¹¤ì¤Ð¤è¤¤.
¤½¤ì¤«¤é¡¤¼«Ê¬¤Î¥Þ¥·¥ó¤ËÀܳ¤·¤Æ¤ß¤Æ̾¸À¤¬½ÐÎϤµ¤ì¤ë¤³¤È...
* Äê´üŪ¤Ëµ¯Æ°¤µ¤ì¤ë¥½¥Õ¥È¥¦¥§¥¢ [#x20f09f3]
¾å¤Ë½Ò¤Ù¤¿¡Ö¤¤¤Ä¤âÆ°¤¤¤Æ¤¤¤ë¡×¡Ö¸Æ¤Ð¤ì¤¿¤éÆ°¤¯¤è¤¦¤ËÂÔµ¡...
¥·¥¹¥Æ¥à¤ÎÄ´ºº¤ä update ¤Ê¤É¡¤Äê´üŪ¤Ë¼Â¹Ô¤·¤¿Êý¤¬Îɤ¤¤â...
¶ñÂÎŪ¤Ê»ÅÁȤߤȤ·¤Æ¤Ï inetd ¤ËÎɤ¯»÷¤Æ¤ª¤ê¡¤Äê´üŪ¤Ë¤½¤ì...
** cron [#n8329585]
µ¯Æ°¸å¤Ï cron ¤Ï°ìʬËè¤ËÌܳФᡤ¤½¤ÎÅÙ¤ËÀßÄê¥Õ¥¡¥¤¥ë¤ò¥Á...
¤è¤Ã¤Æ¡¤ÀßÄê¥Õ¥¡¥¤¥ë¤ò½ñ¤´¹¤¨¤¿¸å¤Ë¤½¤Î·ë²Ì¤òÈ¿±Ç¤µ¤»¤ë...
cron ¤Ëºî¶È¤ò¤µ¤»¤ë¤¿¤á¤ÎÀßÄê¥Õ¥¡¥¤¥ë¤Ï°ìÈÌ¤Ë crontab ¤È...
++ /var/cron/tabs/¥æ¡¼¥¶Ì¾ ¡Ä ľÀÜ¥¨¥Ç¥£¥¿¤Ç¤¤¤¸¤é¤º¤Ë¡¤"c...
¤³¤Î¥³¥Þ¥ó¥É "crontab" ((º®Æ±¤·¤ä¤¹¤¤¤¬¡¤crontab ¤È¤¤¤¦¥³...
¤Þ¤¿¡¤¥Õ¥¡¥¤¥ë·Á¼°¤Ë¤Ä¤¤¤Æ¤Ï((/etc/crontab ¤¬Îɤ¤¥µ¥ó¥×¥ë...
¤¿¤À¤·¡¤¤³¤ÎÀßÄê¥Õ¥¡¥¤¥ë¤Ë½ñ¤¤¤¿ÆâÍƤ¬¼Â¹Ô¤µ¤ì¤ë¤«¤É¤¦¤«...
¤ª¤ª¤¶¤Ã¤Ñ¤Ë¤Ï¡¤/var/cron/allow ¥Õ¥¡¥¤¥ë¤Ë¤½¤Î¥æ¡¼¥¶Ì¾¤¬...
++ /etc/crontab ¡Ä ¥·¥¹¥Æ¥àÍÑ. ľÀÜ¥¨¥Ç¥£¥¿¤ÇÊÔ½¸¤¹¤ë.
*** ¼Â½¬ [#p9bcb06f]
cron ¤ò»È¤Ã¤Æ¤ß¤è¤¦.
¤Þ¤º¡¤Ä̾ï¥æ¡¼¥¶¤Ç¤â cron ¤¬»È¤¨¤ë¤è¤¦¤Ë¡¤/var/cron/allow...
¶ñÂÎŪ¤Ë¤Ï¡¤¥æ¡¼¥¶Ì¾¤Î¤ß¤ò½ñ¤¤¤¿¹Ô¤¬ /var/cron/allow ¤Ë¤¢...
¤½¤¦¤·¤¿¤éÄ̾ï¥æ¡¼¥¶¤Ç cron ¤ò»È¤Ã¤Æ¤ß¤è¤¦.
crontab -e
¤È¤·¤Æ¡¤Å¬Åö¤ÊÆâÍƤòÅÐÏ¿¤·¤Æ¤ß¤ë¤È¤¤¤¦¤³¤È¤À. Î㤨¤Ð¡¤
*/1 * * * * tail /var/log/messages >> ŬÅö¤Ê¥Õ¥¡¥¤¥ë̾
(Á´Éô¤Ç6¹àÌÜ. ¹àÌܴ֤ϥ¿¥Ö¤Ç¶èÀÚ¤ë. ºÇ¸å¤Î¹àÌÜ "tail ... ...
¤Ê¤É¤ÈÅÐÏ¿¤·¤Æ¤ª¤±¤Ð¡¤messages ¤ÎºÇ¸å¤Î 10¹Ô¤¬ 1ʬËè¤ËÄÉ...
ÅÐÏ¿¤Ç¤¤¿¤«¤É¤¦¤«
crontab -l
¤È¤¹¤ì¤Ð¤ï¤«¤ë.
¤Ç¡¤¼ÂºÝ¤ËÆ°¤¤¤Æ¤¤¤ë¤«¤É¤¦¤«¤Ï¡¤(root¤Ç) /var/log/cron ¤ò...
¤¦¤Þ¤¯¤¤¤«¤Ê¤¤¾ì¹ç¤Ï¡¤¥í¥°¤ò¤ß¤ÆÅÐÏ¿¤ËÌäÂ꤬¤Ê¤¤¤«¤è¤¯¤ß...
¤Þ¤¿¡¤ÅÐÏ¿¤¬Í¸ú¤Ë¤Ê¤Ã¤Æ¤¤¤Ê¤¤¤È¤¤¤¦¤è¤¦¤Ê¾ì¹ç¤Ï¡¤cron ¤Ë...
(¤¦¤Þ¤¯¤¤¤Ã¤¿¤¢¤È¤ÏºÆ¤Ó crontab -e ¤Ê¤É¤ò»È¤Ã¤ÆÅÐÏ¿¤ò³°¤·...
** periodic [#we45ceec]
Äê´üŪ¤Ë¹Ô¤ï¤ì¤ë¥·¥¹¥Æ¥àºî¶È¤Î¤¦¤ÁÆäËŵ·¿Åª¤Ê¤â¤Î¤Ï /etc...
¤³¤Î periodic ¥³¥Þ¥ó¥É¤Ï cron ¤Ç¤è¤Ð¤ì¤ë¤è¤¦¤Ë¤Ê¤Ã¤Æ¤¤¤ë(...
periodic ¥³¥Þ¥ó¥É¤ÎÀßÄê¤Ï /etc/periodic.conf ¤Ç¤Ê¤µ¤ì¤ë.
¤½¤Î¥Ç¥Õ¥©¥ë¥ÈÃÍ¤Ï /etc/defaults/periodic.conf ¤Ë½ñ¤«¤ì¤Æ...
** newsyslog [#y66b6442]
newsyslog ¤â cron ¤«¤é¸Æ¤Ó½Ð¤µ¤ì¤ë¤³¤È¤òÁÛÄꤷ¤Æ¤¤¤ë¥½¥Õ...
¶ñÂÎŪ¤Ë¤Ï¡¤¸½ºß¤Î¥í¥°¥Õ¥¡¥¤¥ë¤ò̾Á°¤òÊѤ¨¤ÆÊݸ¤·¤Æ¡¤¿·...
ÀßÄê¤Ï /etc/newsyslog.conf ¤Ç¹Ô¤ï¤ì¤ë.
¤³¤ÎÀßÄê¤òŬÀڤ˹ԤʤäƤª¤«¤Ê¤¤¤È¡¤¥í¥°¥Õ¥¡¥¤¥ë¤¬Â礤¯...
*** ¼Â½¬ [#q8c6ee6e]
/etc/newsyslog.conf ¤òÆɤó¤Ç¡¤º£¤Î»þÅÀ¤Ç¤É¤Î¤è¤¦¤Ê¥í¥°¥Õ...
* ¥ì¥Ý¡¼¥È [#i2b13dee]
ËÜÆü¹Ô¤Ã¤¿ºî¶È¤ÎÊó¹ð¡¤¤ª¤è¤Óº£Æ°¤¤¤Æ¤¤¤ë daemon ¤Ë¤Ä¤¤¤Æ...
¤â¤Á¤í¤ó³Æ¼«¤Î¡Ö½ê°¡¤³Øǯ¡¤³ØÀÒÈֹ桤»á̾¡×¤ò½ñ¤¯¤Î¤ò˺...
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