̾??

passwd, yppasswd — ?桼???Υѥ???ɤ??ѹ?????

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passwd [-l] [user] yppasswd [-l] [-y] [-d domain] [-h host] [-o]

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passwd ?桼?ƥ????ƥ??ϡ??桼???? local, Kerberos, NIS ?ѥ???ɤ??ѹ????ޤ??? ?桼?????????ѥ桼???Ǥʤ????硢 passwd ?Ϻǽ??˸??ߤΥѥ???ɤ????ᡢ ???????ѥ???ɤ????Ϥ????ʤ??????ˤϽ????????ߤ??ޤ???

?????ѥ???????ϻ????ѥ???ɤ?ɽ???????ޤ????? ?̤꤬?????οͤ˥ѥ???ɤ򸫤????뤳?Ȥ??򤱤뤿???Ǥ??? passwd ?桼?ƥ????ƥ??ϡ??????ץߥ??򸡽Ф??뤿?ᡢ2 ?ٿ????ѥ???????Ϥ??????ޤ???

???????ѥ???ɤϡ????ʤ??Ȥ? 6 ʸ???ʾ? (?桼???Υ??????󥯥饹???Ф??? login.conf(5) ?? “minpasswordlen” ???꤬ͥ?褷?ޤ?) ?ǡ??????ե??٥åȤ????ˤʤ??? ???褦?ˤ??٤??Ǥ????ѥ???ɤκ???ʸ?????ϡ? _PASSWORD_LEN (???ߤ? 128 ʸ??) ????û?????Ȥ?ɬ?פǤ???

?????ѥ???ɤ???ʸ???Ⱦ?ʸ???򺮹礷?ƴޤ?ɬ?פ??????ޤ? (?桼???Υ??????󥯥饹???Ф??? login.conf(5) ?? “mixpasswordcase” ???????????Ѥ??뤳?Ȥǡ????񤭲?ǽ?Ǥ?)?? ??ʸ???????Υѥ???ɤΤߵ??IJ?ǽ?ʾ????ˡ? ??ʸ???ѥ???ɤ???????ͭ?ѤǤ??礦?? ?㤨?? Windows ???饤?????Ȥ?ǧ?ڤ??뤿???? Samba ?????Ѥ??????礬?? ???????ޤ??? ¾?Τ??٤Ƥξ??硢????????ʸ?????᥿ʸ?????侩?????ޤ???

???????ѥ???ɤ???ǧ???줿?? passwd ?Ͽ??????ѥ???ɤ? Kerberos ǧ?ڥۥ??Ȥ??????ޤ???

???Υ??ץ??????????Ѳ?ǽ?Ǥ?:

-l

Kerberos?ǡ????١????ǤϤʤ??? ?????????ޥ????Υѥ???ɤ??????ѹ????ޤ??? ?????????ޥ????Υѥ???ɤ??????ѹ??????????ϡ? pwd_mkdb(8) ???ѥ???ɥǡ????١????ι????˻Ȥ????ޤ???

?̤Υ桼???? Kerberos ?ѥ???ɤ??ѹ??????ˤϡ? kinit(1) ???¹Ԥ??Ƥ??顢 passwd ???¹Ԥ???ɬ?פ??????ޤ??? ?????ѥ桼?????????????ޥ????Υѥ???ɤ??????????Ȥ??ˤ????ꡢ???ߤ? ?ѥ???ɤ????Ϥ????פǤ???

NIS ?Ȥ????ߺ???

passwd ?桼?ƥ????ƥ??? NIS ?Υ??ݡ??Ȥ??Ȥ߹??ޤ??Ƥ??ޤ??? ?⤷?桼??̾?? NIS ?Υѥ???ɥǡ????١????????ˤ??ꡢ ?????????ˤϤʤ????硢 passwd ?ϼ?ưŪ?? “yppasswd” ???ڤ??ؤ????ޤ??? ???ꤵ?줿?桼??̾???????????Υѥ???ɥǡ????١????ˤ⡢ NIS ?Υѥ???ɥޥåפˤ?¸?ߤ??ʤ????硢 passwd ?ϥ??顼???֤??ޤ???

NIS ?Υѥ???ɤ??ѹ??????Ȥ??????ø??桼???? ??ǧ?Τ????˸??ߤΥѥ???ɤ????Ϥ??????????ޤ? ( rpc.yppasswdd(8) ?ǡ??????Ϥ????ʤ??ѹ??Ǥ? NIS ?ѥ???ɥޥåפ˲ä??????? ???ߤΥѥ???ɤ????Ϥ??????ޤ?)?? ???????¤ϥ????ѥ桼???ˤ?Ŭ?Ѥ????ޤ??????礭???㳰???????ޤ??? NIS ?ޥ????????ФΥ????ѥ桼???ϥѥ???ɤγ?ǧ????ά???????? ?Ǥ??? ???????äơ?NIS ?ޥ????????ФΥ????ѥ桼???ϡ????٤ƤΥ桼???? NIS ?ѥ???ɤ?̵???¤??ѹ??Ǥ??ޤ??? ????????NIS ???饤?????Ȥ? NIS ???졼?֥????ФΥ????ѥ桼???? ?ѹ??˥ѥ???ɤ?ɬ?פǤ???

?ʲ??Υ??ץ??????? NIS ?Τ????Τ??ΤǤ?:

-y

passwd ?϶???Ū?? NIS ?Ѥˤʤ??ޤ???

-l

NIS ??ͭ???ʾ????? passwd ??????Ū?˥????????Ѥˤ??ޤ??? ???Υե饰??Ʊ??????????̾?? NIS ?Υ桼???? ?????????ʥ桼????¸?ߤ????Ȥ??ˡ? “?????????桼????” ?ѥ???ɥ????ȥ????ѹ????뤿???˻Ȥ????ޤ??? ?㤨?С??????ƥ??Ѥ? bin ?? daemon ?Ȥ??ä? “????????” ?????ȥ??? NIS ?ѥ???ɥޥåפȥ????????桼???ǡ????١??? ??ξ????¸?ߤ??뤳?Ȥ????褯?????ޤ??? ???ξ????ǥե????ȤǤ? passwd ?? NIS ?Υѥ???ɤ??ѹ????褦?Ȥ??ޤ??? NIS ?ǤϤʤ??????????Υѥ???ɤ??ѹ??????Ȥ? -l ???Ȥ??ޤ???

-d domain

NIS ?ѥ???ɤ??ѹ??????Ȥ????ɥᥤ??̾?????ꤷ?ޤ????ǥե????Ȥ? passwd ?ϡ??????ƥ??Υǥե????ȥɥᥤ??̾???Ȥ??ޤ??????Υե饰?ϼ??? NIS ?ޥ????????ФΥ????ѥ桼???????Ѥ??????ΤǤ??????Ĥ? NIS ?ޥ????????Ф?ʣ???Υɥᥤ???򰷤äƤ????????䡢NIS ?ޥ????????ФǤ? ?ɥᥤ??̾?????ꤵ???Ƥ??ʤ? (NIS ?????Ф?ɬ?????⥯?饤?????Ȥˤʤ? ɬ?פϤ????ޤ???) ?????ˡ? passwd ???ޥ??ɤ??ɤΥɥᥤ???򰷤??Τ??????ꤹ??ɬ?פ??????ޤ???

-h host

NIS ?????Ф?̾???????ꤷ?ޤ??????Υ??ץ??????? -d ???ץ??????ȶ????Ѥ??뤳?Ȥǡ????????????? NIS ?????о??? NIS ?ѥ???ɤ??Ѥ??뤳?Ȥ??????ޤ??? -d ???ץ??????ǥɥᥤ??̾?????ꤷ?? NIS ?ޥ????????Ф?̾?????????Ǥ??? ?? (?????餯???????????Υɥᥤ??̾?????ꤵ???Ƥ??ʤ?????) ?Ȥ??ˤϡ? NIS ?ޥ????????Фϡ? “localhost” ?Ǥ????Ȳ??ꤵ???ޤ??? ???Υ?????̾?? -h ?ǻ??ꤹ?뤳?Ȥ??????ޤ??????ꤹ???ۥ???̾?? NIS ?ޥ????????? ?Ǥʤ??Ƥ⹽???ޤ????? NIS ?ޥ?????????̾?ϥɥᥤ?????? NIS (?ޥ????⤷???ϥ??졼??) ?????Ф??䤤???碌?뤳?ȤǷ??ꤵ???? ?Τǡ????졼?֥????Ф????ꤷ?Ƥ⹽???ޤ?????

-o

NIS ?ޥ????????Фˤ????ơ??????ѥ桼???γ?ǧ????ά???ޤ????? ´old' ?⡼?ɤˤ??ޤ??????Υե饰?Ϥ??ޤ?????Ū?ǤϤ????ޤ??󤬡? ?ѥ???ɤΥƥ??Ȥ˻Ȥ????Ȥ??????ޤ???

??Ϣ?ե?????

/etc/master.passwd

?ѥ???ɤΥޥ????ե?????

/etc/passwd

Version 7 ?????Υѥ???ɥե?????

/etc/passwd.XXXXXX

?ѥ?????ѹ????˺????????ƥ??ݥ????ե?????

/etc/login.conf

???????󥯥饹?????ѥӥ??ƥ??ǡ????١???

/etc/auth.conf

ǧ?ڥ????ӥ???????

??Ϣ????

chpass(1), kerberos(1), kinit(1), login(1), login.conf(5), passwd(5), kpasswdd(8), pwd_mkdb(8), vipw(8) Robert Morris and Ken Thompson, UNIX password security.

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yppasswd ?ϼºݤˤ? passwd ?ؤΥ??󥯤Ǥ???

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passwd ???ޥ??ɤ? Version 6 AT&T UNIX ?????о줷?ޤ?????