NTP service : ntp.ring.gr.jp
[Announce]
Ring Server Project $B$K$h$k(B NTP $B%5!<%p$n%5!<%s%93+;o;~$n%"%j%&%s%9(b
Ring Server Project $BBeI=(B $BCfB<@5;0o:(b
2005$BG/(B03$B7n(B17$BF|(B
Ring Server Project($BBeI=(B $BCfB<@5;0o:(b)$b$o!"k\f|!"(bntp $B%5!<%p$n%5!<%s%9$r3+;o$7$?$3$h$rh/i=$$$?$7$^$9!#(b
$B%Q%V%j%C%/$J(B NTP $B%5!<%p$n%5!<%s%9$o!"nr;ke*7p0^$k$h$jj!2,bg3x$k=8cf$7!"j!2,bg3x$,hald$r>e$2$k;vBV$,B3$$$F$*$j$^$7$?!#(B
Ring Server Project$B$G$O!"J!2,Bg3X$N5g>u$r5_$($J$$$+$H%W%m%8%'%/%HFb$G5DO@$H
NTP $B%5!<%p$o!"(bntp.ring.gr.jp$b$k$f%"%/%;%92dg=$g$9!#fcdj$n%5!<%p$kii2y$,$+$+$i$j$$$h$&$k!"(bring Server Project$B;22CAH?%$N%5!<%p$gj,;6$7$f%5!<%s%9$rds6!$9$k;eah$_$k$j$c$f$*$j$^$9!#(b
$B$<$r!"$3$n%5!<%s%9$r3hmq$7$f!"j!2,bg3x$x$nii2y=8cf$r2shr$7$f$/$@$5$k$h$&$*4j$$?=$7>e$2$^$9!#(B
$B$^$?$3$N>l$r$*e$2$k
http://www.ring.gr.jp/
Ring Server Project
[Caution]
$BLH@U;v9`(B
$BK\(BNTP$B%5!<%p%5!<%s%9$n$4mxmq$k$d$-$^$7$f$omxmq
$BK\(BNTP$B%5!<%p%5!<%s%9$ndd;_!"7g4y5z$s$=$l$i$,860x$h$j$jh/@8$7$?b;<:$db;32$k$d$-$^$7$f$o!"(bring Server Project$B5Z$S3F(BNTP$B%5!<%p@_cv5!4x$o!"0l@z@ug$(b
$B$rIi$$$^$;$s!#(B
[FAQ&Tips]
$BK\7o$K4X$9$k(BFAQ$B!&(BTips$BEy(B($B?o;~DI2C!&2~D{$7$^$9(B)
[Q]
Ring Server Project$B;22CAH?%$N%5!<%pa4$f$,(bntp$b%5!<%p$n%5!<%s%9$rds6!$7$f$$$k$n$g$9$+(b?
[A]
$BA4;22CAH?%$N%5!<%p$g$o$j$/!"$h$j$"$($:8=;~e@$g(bntp$b%5!<%p$n%5!<%s%9$rds6!2dg=$j%5!<%p$g$"$c$f!"0ldj$n@:ey$r0];}$g$-$k%5!<%p$,!"%5!<%s%9$rds6!$7$f$$$^$9!#(b
[Q]
ntp.ring.gr.jp$B$N@:EY$O$I$N$/$i$$$G$7$g$&(B?
[A]
RRD tools$B$rMQ$$$F!"(B$B$3$A$i(B($B30It%j%s%/(B)$B$K8=:_$N>uBV$rI=<($7$f$$$^$9!#(b
[Q]
ntp.ring.gr.jp$B$N(Bstratum$B$N;6$i$P$j6q9g$O(B?
[A]
$B8=>u!"(Bstratum2$B!A(B4$B$N4V$G$9!#$?$@$7!">o$KA4$F$N(BNTP$B%5!<%p$,%i%&%s%i%m%s%s$kf~$c$f$$$k$o$1$g$o$"$j$^$;$s$n$g!"nc$($p(bstratum2$b$h(bstratum3$b$n%5!<%p$n$_$g%i%&%s%i%m%s%s$,9=@.$5$l$k$3$h$b$"$j$^$9!#(b
$B$J$*!"(Bstratum3$B$N%5!<%p$,(bstratum2$b$n%5!<%p$h$j9b@:ey$j>l9g$b$"$k$3$H$b?=$7E:$($F$*$-$^$9!#(B
[Q]
$B%i%&%s%I%m%S%s$N%A%'%C%/$O$I$N$h$&$K9T$C$F$$$^$9$+(B?$B8m:9$NBg$-$$%5!<%p$kev$?$k$3$h$,$"$k$h$&$g$9$,!#(b
[A]
stratum2$B!A(B4$B$N%5!<%p$n$&$a$+$i8m:9$nbg$-$j(bntp$b%5!<%p$r$"$i$+$8$a30$7$?$&$($g!"$5$i$k<+f0epo?(bscript$b$rmxmq$7$f0ldj;~4v4v3v$g(bntp$b%5!<%p$n@:ey$r%a%'%c%/$7!"$=$n$h$-$n8m:9$,0ldjcm$h$jbg$-$/$j$c$?(bntp$b%5!<%p$r0l;~e*$k%i%&%s%i%m%s%s$+$i30$7$f1?mq$7$f$$$^$9!#(b
$B>e5-$N1?MQJ}K!$G$O!"(Bclient$BB&$G;n$7$?%?%$%_%s%0$K$h$j!"8m:9$,0l;~E*$KBg$-$/$J$C$F$$$k!"$H$$$&2DG=@-$b$"$j$^$9$7!"$^$?!"<~4|e*$jjq2=$r$7$f$$$k%5!<%p$k$d$$$f$o!"3nn($odc$$$g$9$,!"%5%s%w%j%s%0$n%?%$%_%s%0$k$h$c$f$o$-$a$s$h%i%&%s%i%m%s%s$+$i30$l$f$$$j$$!"$h$$$&2dg=@-$b$"$j$^$9!#(b
$B$3$3$G!"%A%'%C%/$r87$7$/$7$F$7$^$($P@:EY$O>e$,$j$^$9$,!":#EY$O%i%&%s%I%m%S%s$K$J$i$J$$2DG=@-$b$"$j!"$3$N$"$?$j!"@5D>?=$7>e$2$FG:$s$G$$$^$9!#(B
$B$h$$%"%$%G%"$,$4$6$$$^$7$?$i!"$*J9$+$;$$$?$@$1$^$9$H9,$$$G$9!#$^$?!">u67$NJs9p$b4?7^$$$?$7$^$9!#(B$B$3$A$i(B$B$h$j!"$*5$7Z$K$I$&$>!#(B
[Q]
$B%M%C%H%o!<%/>e0lHV6a$$(BNTP$B%5!<%p$rmxmq$7$f;~9od4@0$9$k$3$h$,!"k\mh!"@:ey>e$b%H%i%U%#%C%/>e$b9%$^$7$$$N$G$O$J$$$G$7$g$&$+(B?
[A]
$B$*$C$7$c$k$H$*$j$G$9!#Nc$($P!"$4=jB0$N4k6H!&8&5f5!4XEy$NAH?%$d!"$4MxMQ$5$l$F$$$k(BISP$B$,!"AH?%FbIt8~$1$"$k$$$O2CF~@\$4;XDj$$$?$@$$$?$[$&$,%H%i%U%#%C%/>e$h$$$G$9$7!"@:EY$N>e$G$b(B(NTP$B%5!<%p$=$l<+bn$n@:ey$nldbj$o$"$j$^$9$,(b)$b!"%m%c%h%o!<%/>e$N5wN%$,6a$$$3$H$+$i5wN%$K5/0x$9$k8m:9$O>.$5$/$J$k$H;W$$$^$9!#(B
$B$G$O2?8N(Bntp.ring.gr.jp$B$H$7$F%i%&%s%I%m%S%s$K$h$j(BNTP$B%5!<%p$n%5!<%s%9$rds6!$7!"8gdj%j%9%h$ri=<($7$f$$$j$$$+$h?=$7$^$9$h!"(b
- $BFCDj%5!<%p$kii2y$r$+$1$?$/$j$$(b
- $B$I$3$+$i$G$bMxMQ$G$-$k3P$($d$9$$%I%a%$%sL>$N(BNTP$B%5!<%p$h$7$f=`hw$7$?(b
- $B%i%&%s%I%m%S%s$N%A%'%C%/J}K!(B($B>e5-;2>H(B)$B$K$h$k(B
$B$H$$$&$N$,
$B$J$*!"(BRing Server Project$B$K;22C$7$F$$$k(BISP$B$G$O!"2<5-$n(bisp$b$,2cf~\$7$/$O!"$=$l$>$l$N(BISP$B$K$*Ld$$9g$o$;$/$@$5$$!#(B
[Q]
$B@:EY$,MW5a$5$l$k;~9oF14|$O!"$I$N$h$&$K$9$l$P$h$$$G$7$g$&$+(B?
[A]
$BK\Ev$K@:EY$,I,MW$J$i$P!"(BGPS$B%Y!<%9$n;~9o8;$r<+a0$g=`hw$9$ki,mw$,$"$k$g$7$g$&!#>r7o$,NI$1$l$P!"(BGPS+NTP $B$G?t==%^%$%/%mICDxEY$N@:EY$,F@$i$l$^$9!#(B
$B$b$7!"$b$C$H@:EY(B($B%^%$%/%mIC0J2<(b)$b$,i,mw$h$5$l$k>l9g$K$O!"(B"IEEE1588 "Precision time protocol" (http://ieee1588.nist.gov/)$B$J$I$b$"$j$^$9!#(B
$B$?$@$7!"(B2005$BG/(B3$B7n8=:_!"$^$@!"(BIEEE1588$BBP1~$N%5!<%p$d%/%i%$%"%s%h%=%u%h$o8b$i$l$f$$$k$h$&$g$9!#(b
[Q]
tenbin$B$rMxMQ$7$F!"0lHV6a$$(Bntp$B%5!<%p$xm6f3$7$?$j$7$j$$$n$g$9$+(b?
[A]
$B;n83E*$KBP1~$7$F$_$^$7$?!#(Bntp.t.ring.gr.jp$B$G$9!#(B
$B$^$?!"(BDNS Balance$B$rMxMQ$7$F!"0lHV6a$$(Bntp$B%5!<%p$xm6f3$9$k;n83%5!<%s%9$b9t$c$f$$$^$9!#(bntp.dnsbalance.ring.gr.jp$b$g$9!#(b
[Q]
$B;~9oF14|$K$D$$$F!"$I$N$h$&$JO@J8$,$"$j$^$9$+(B?
[A]
$B$3$A$i(B$B$K!";~9oF14|4XO"O@J80lMw(B($B;2>H4X78IU$-(B)$B$r=`Hw$7$^$7$?(B(PDF$B7A<0(b)$b!#$4;29m$^$g!#(b
[Q]
ntp.org http://www.ntp.org/$B$X$NEPO?$r9M$($F$$$^$9$+(B?
[A]
$B8=:_8!F$Cf$G$9!#$?$@$7!">e=R$N$H$*$j!"(Bntp.ring.gr.jp$B$O(Bstratum $B$,0lDj$G$O$J$$(B($B$P$i$1$F$$$k(B)$B$N$G!"EPO?$9$k$H$7$F$b0l3gEPO?$OFq$7$$$N$G$O$J$$$+$H9M$($F$$$^$9!#(B
[Tips]
/etc/ntp.conf $B$N=q$-J}$NNc$=$N(B1(server $B9T$KF1$8(B ntp.ring.gr.jp $B$rJB$Y$k$N$,%_%=(B)
------------------------------------------------
driftfile /var/lib/ntp/ntp.drift
server ntp.ring.gr.jp
server ntp.ring.gr.jp
server ntp.ring.gr.jp
------------------------------------------------
[Tips]
/etc/ntp.conf $B$N=q$-J}$NNc$=$N(B2($BNc$=$N(B1$B$G$O$&$^$/%i%&%s%I%m%S%s$7$J$$>l9g(B)
------------------------------------------------
driftfile /var/lib/ntp/ntp.drift
server ntp0.ring.gr.jp
server ntp1.ring.gr.jp
server ntp2.ring.gr.jp
------------------------------------------------
[explanations]
tenbin$B$K$h$k0lHV6a$$%5!<%p$na*br(b(ntp.t.ring.gr.jp $B$NA*Br4p=`(B)
- 10$BJ,$K0lEY(B ntp.ring.gr.jp $B$N(B A$B%l%3!<%i$rd4$y!"jvez$n8ujd$r:n@.(b
- ntp.t.ring.gr.jp. $B$NLd$$9g$o$;$KBP$7$F!"8uJd$NCf$GLd$$9g$o$;85$N(B IP$B%"%I%l%9$H$N(B AS path $BD9$,$b$C$H$bC;$$$H;W$o$l$k(B IP $B%"%I%l%9$rA*Br(B
[explanations]
DNS Balance$B$K$h$k0lHV6a$$%5!<%p$na*br(b(ntp.dnsbalance.ring.gr.jp $B$NA*Br4p=`(B)
- 5$BJ,$K0l2s(B ntp.ring.gr.jp $B$N(B A $B%l%3!<%i$rd4$y$f$=$n2sez$+$ijvez$n8ujd$r:n@.(b
- AS$BHV9f$d%/%i%$%"%s%H$N(BIP$B%"%I%l%9$+$i6a$$%5!<%p$ra*br(b
- $BA*Br$G$-$J$1$l$PA4$F$N%5!<%p$+$i%i%s%@%`$ka*br(b
[Links]
$B30It%j%s%/(B
[thanks]
$B
ntp.ring.gr.jp$B$N1?MQ$d@_Dj$K5.=E$J$40U8+$rD:$$$?!"?92,(B $BOB:M$5$s!">1;J(B $B>l$re$2$^$9!#(B
$BK\7o$K4X$9$k$*Ld$$9g$o$;!&$40U8+!&$4MWK>$O(B$B$3$A$i(B$B$^$G!"$*4j$$$$$?$7$^$9!#(B
--RingServer--------------------
[HOME]