Linux Certif

Toute la documentation sur la certification Linux LPI

usermod

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usermod [-c comment] [-d home_dir [-m]]
[-e expire_date] [-f inactive_time]
[-g initial_group] [-G group [,...]]
[-l login_name] [-p passwd]
[-s shell] [-u uid [-o]] [-L|-U] login

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-c comment

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-d home_dir

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-e expire_date

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-f inactive_days

¥Ñ¥¹¥ï¡¼¥É¤Î»ÈÍÑ´ü¸Â¤¬ÀÚ¤ì¤Æ¤«¤é¥¢¥«¥¦¥ó¥È¤¬±Êµ×¤Ë»ÈÍÑÉÔǽ¤Ë¤Ê¤ë¤Þ¤Ç¤ÎÆü¿ô¡£ 0 ¤Ë¤¹¤ë¤È¡¢ ¥Ñ¥¹¥ï¡¼¥É¤Î´ü¸Â¤¬ÀÚ¤ì¤ë¤ÈƱ»þ¤Ë¤³¤Î¥¢¥«¥¦¥ó¥È¤Ï»ÈÍÑÉÔǽ¤Ë¤Ê¤ë¡£ -1 ¤Ë¤¹¤ë¤È¤³¤Îµ¡Ç½¤¬Ìµ¸ú¤Ë¤Ê¤ë¡£¥Ç¥Õ¥©¥ë¥ÈÃÍ¤Ï -1¡£

-g initial_group

¿·¤¿¤Ë¤½¤Î¥æ¡¼¥¶¤Î¥í¥°¥¤¥ó»þ½é´ü¥°¥ë¡¼¥×¤È¤¹¤ë¥°¥ë¡¼¥×̾¤Þ¤¿¤Ï ID¡£ ¥°¥ë¡¼¥×̾¤Ï´û¤Ë¸ºß¤·¤Æ¤¤¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£ ¥°¥ë¡¼¥×ÈÖ¹æ¤Ï´û¸¤Î¥°¥ë¡¼¥×¤ò»²¾È¤·¤Æ¤¤¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£ ¥Ç¥Õ¥©¥ë¥È¤Î¥°¥ë¡¼¥×ÈÖ¹æ¤Ï 1¡£

-G group,[...]

¥æ¡¼¥¶¤¬Â°¤¹¤ëÊä½õ¥°¥ë¡¼¥× (supplementary groups) ¤Î¥ê¥¹¥È¡£ ¥°¥ë¡¼¥×¤Ï¥³¥ó¥Þ¤Ç¶èÀڤꡢ´Ö¤Ë¶õÇòʸ»ú¤òÆþ¤ì¤Æ¤Ï¤Ê¤é¤Ê¤¤¡£ »ØÄê¤Ç¤­¤ë¥°¥ë¡¼¥×¤Ë¤Ï -g ¥ª¥×¥·¥ç¥ó¤ÈƱÍͤÎÀ©¸Â¤¬¤¢¤ë¡£ ¸½ºß¤½¤Î¥æ¡¼¥¶¤¬¡¢ ¿·¤·¤¤¥ê¥¹¥È¤Ë¤Ê¤¤¥°¥ë¡¼¥×¤Î¥á¥ó¥Ð¡¼¤Ë¤Ê¤Ã¤Æ¤¤¤ë¾ì¹ç¤Ï¡¢ ¤½¤Î¥°¥ë¡¼¥×¤«¤éºï½ü¤µ¤ì¤ë¡£

-l login_name

¥æ¡¼¥¶¤Î¥í¥°¥¤¥ó̾¤ò login ¤«¤é login_name ¤ËÊѹ¹¤¹¤ë¡£ ¾¤Ï²¿¤âÊѹ¹¤·¤Ê¤¤¤Î¤Ç¡¢ ¤ª¤½¤é¤¯¿·¤·¤¤¥í¥°¥¤¥ó̾¤Ë¹ç¤ï¤»¤Æ ¥Û¡¼¥à¥Ç¥£¥ì¥¯¥È¥ê¤Î̾Á°¤òÊѹ¹¤¹¤ëɬÍפ¬¤¢¤ë¤À¤í¤¦¡£

-p passwd

crypt(3) ¤ÎÊÖ¤êÃͤǤ¢¤ë°Å¹æ²½¥Ñ¥¹¥ï¡¼¥É¡£

-s shell

¥æ¡¼¥¶¤Î¿·¤·¤¤¥í¥°¥¤¥ó¥·¥§¥ë¤Î̾Á°¡£ ¤³¤Î¥Õ¥£¡¼¥ë¥É¤ò¶õÇò¤Ë¤·¤¿¾ì¹ç¤Ï¡¢ ¥·¥¹¥Æ¥à¤¬¥Ç¥Õ¥©¥ë¥È¤Î¥í¥°¥¤¥ó¥·¥§¥ë¤òÁªÂò¤¹¤ë¡£

-u uid

¥æ¡¼¥¶¤Î ID Èֹ档 ¤³¤ÎÃͤϡ¢-o ¥ª¥×¥·¥ç¥ó¤òÍѤ¤¤ë¾ì¹ç¤ò½ü¤­¡¢Â¾¤È½ÅÊ£¤·¤Æ¤Ï¤Ê¤é¤Ê¤¤¡£ ¤Þ¤¿ÈóÉéÃͤǤʤ¯¤Æ¤Ï¤Ê¤é¤Ê¤¤¡£ 0 ¤«¤é 99 ¤Þ¤Ç¤ÎÃͤϡ¢Ä̾亮¥¹¥Æ¥à¥¢¥«¥¦¥ó¥ÈÍѤËͽÌ󤵤ì¤Æ¤¤¤ë¡£ ¥Û¡¼¥à¥Ç¥£¥ì¥¯¥È¥ê°Ê²¼¤Î¡¢ ¤½¤Î¥æ¡¼¥¶½êÍ­¤Î¤¹¤Ù¤Æ¤Î¥Õ¥¡¥¤¥ë¤Î¥æ¡¼¥¶ ID ¤Ï¡¢ ¼«Æ°Åª¤Ë¿·¤·¤¤ÃͤËÊѹ¹¤µ¤ì¤ë¡£ ¥Û¡¼¥à¥Ç¥£¥ì¥¯¥È¥ê°Ê²¼¤Ë¤Ê¤¤¥Õ¥¡¥¤¥ë¤Ï¼êºî¶È¤ÇÊѹ¹¤·¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£

-L

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-U

¥æ¡¼¥¶¤Î¥Ñ¥¹¥ï¡¼¥É¤ò¥¢¥ó¥í¥Ã¥¯¤¹¤ë¡£ ¤³¤ì¤Ï°Å¹æ²½¤µ¤ì¤¿¥Ñ¥¹¥ï¡¼¥É¤ÎÀèƬ¤Î '!' ¤ò¼è¤ê½ü¤¯¡£ ¤³¤Î¥ª¥×¥·¥ç¥ó¤ò -p ¤ä -L ¤ÈƱ»þ¤ËÍѤ¤¤ë¤³¤È¤Ï¤Ç¤­¤Ê¤¤¡£

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usermod ¤Ï¸½ºß¥í¥°¥¤¥ó¤·¤Æ¤¤¤ë¥æ¡¼¥¶¤Î̾Á°¤òÊѹ¹¤Ç¤­¤Ê¤¤¡£ ¤³¤Î¥³¥Þ¥ó¥É¤ò»ÈÍѤ·¤Æ¥æ¡¼¥¶¤Î ID ÈÖ¹æ¤òÊѹ¹¤¹¤ëºÝ¤Ë¤Ï¡¢ »ØÄꤷ¤¿¥æ¡¼¥¶¤Î¥×¥í¥»¥¹¤¬°ì¤Ä¤â¼Â¹Ô¤µ¤ì¤Æ¤¤¤Ê¤¤¤³¤È¤ò »öÁ°¤Ë³Îǧ¤·¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£ crontab ¥Õ¥¡¥¤¥ë¤Î½êÍ­¼Ô¤Ï¼êºî¶È¤ÇÊѹ¹¤·¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£ at ¥¸¥ç¥Ö¤Î½êÍ­¼Ô¤Ï¼êºî¶È¤ÇÊѹ¹¤·¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£ NIS ¤Ë´Ø¤¹¤ëºî¶È¤Ï NIS ¥µ¡¼¥Ð¾å¤Ç¹Ô¤Ê¤ï¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£

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/etc/passwd - ¥æ¡¼¥¶¥¢¥«¥¦¥ó¥È¾ðÊó
/etc/shadow - °ÂÁ´¤Ê¥æ¡¼¥¶¥¢¥«¥¦¥ó¥È¾ðÊó
/etc/group - ¥°¥ë¡¼¥×¾ðÊó

´ØÏ¢¹àÌÜ

chfn(1), chsh(1), passwd(1), crypt(3), groupadd(8), groupdel(8), groupmod(8), useradd(8), userdel(8)

Ãø¼Ô

Julianne Frances Haugh (jockgrrl@ix.netcom.com)