2007ǯ02

ƥ:

ƤŹƤ˹ԤäƤߤͽ˥Ǥȸ줿ΤǡդǤꤤ

ԤäƤߤȤʷϵ褯¤̣­äȤäΤϰǤ롣ϤΤ褦ʾ̾ӡ뤫(ߴ)ؤȿʤΤǤߤȤϰäƤʤǤȤΤȡꤨʤġ

ʤߤ500ߥץ饹ΰꥳˤϾäƤΤǤ(?)ΤޤޤΥǥ磻ΤǤ

Ĥδ֤ˤ񤵤⤹äΤʤꡢ¸ߤˤʤäƤޤäΤǤ͡

CCNP CIT饹λ

ƥ:

Image215a 2ǯۤCiscoCCNPΥ饹ǶƤޤߤλ331ǽλȤʤޤ

ߤCCNP331ޤ

4ĤΥƥȤΤBCRANCITϤޤä̤ΤΤѤޤƺǸCIT饹⽪λޤΥ饹Ǥϥȥ֥륷塼ƥ󥰤˹ԤޤǽȤȤǥ롼8˥å6Ȥ㥹ʻͤǤäƤߤޤ

ˤΥ֥ĤʤǤ30ʬ餤ޤġƤեβ

֥뤬㤰Ǥ󤳤λˤФ餹顣ºݤαѻˤϥ֥ˤޤȤƤʤȤʻˤϤʤޤ

ˤƤ⤫ʤ𻨤ѤƤǤˤؤ餺(ޤ)ʤΤϤǤƼŪˤʤΩäǤΥ饹äƤޤΤϤä̾ˤ⡣

йǤ

ƥ:

Image213ޤϤμ̿ĺйΥפξVOID(̵)ȲƤ롣ΥפäƤϿʤǤɤƤΥפ뤳Ȥ褿Τġ

Ѥ˹ԤͽäѤϻϤƤǤꡢ줿ԢΩεʪ򸫤˹ԤäꤹΤڤߤˤƤΤȯκ롢ǽŪ˾򤷤Ƥȶسλ¤餫ˤʤä˴ؤƥӥϤʤƤ⤤ѥݡȤͭ¤3ʾɬפȽ񤤤Ƥ롣ƻΥѥݡͭ¤ϡ34­ʤ

ιԤʳǥӥפȤȤϤǧƤäʤͭ¤˵ĤʤäΤѥݡȤμ˺Ƥ櫓ǤϤʤѤ鵢ä餹˿ѥݡȤĤǤΤ

ɤ뤫餯ܤǤνй񿳺Ǥꤢޤ(Τͭ¤ǧƤʤȤλ)ȤˤϤͤ뤫ѸǤäƤܿͤݤ뤳ȤϤޤȹ򤯤äƤ(ºݤΤȤڹѤϤ뤵ȤΤ)

κƤй񿳺ʤäƤʬ磻ǤȡƤӽФʥ󥹤ή롣ͽ

ôν(ʲGH)ˤҤäȤƥѥݡȤͭ¤ηǤʹȡ̤ȤΤȡSPTȥ饤ȤΤ˻äˡѥݡȾ󤬺٤äƤ餷GHˡ3ڤäƤΤԵˤϾޤȸ롣ʤΡƤηи

ʧᤷ򤷤ޤΤǡȤȤ磻ߴĤƹԤäޤ񿳺ءФ餯ԤäǼ̿Υפ򲡤줿餷

ơϽФʤΤGHƳ4峬ؾ夬롣񿳺GH󤬤ääƤΤޤ̲ᡣ졼ߤꡢʪեءʤ̴ؤ̤櫓ͤǤȷ˸롣ۥȤ͡

GHӡؽФ櫓Ͼ巸Ȱ⤤ƤʤƤޤǷǽͤߤäȥӡˤ͡ϡ䤬ڹͥȻפä˰㤤ʤ

٤GHȽȯ3ءåȥ󥿡عԤʾǽλǤȤΤȡδ֡褽30ʬäGHϻˤϤäĤƤ櫓ǡ⤦ʤǰդǤ

ʤߤGH⤯Ǥ礦͡ʹ顢פ8,000⤯餤ǤȤΤȡʤåȤפǤͤȤä顢ʬ٤㤦Ǥ͡

ȤȤǥåȤ1ߤΥڥʥƥϤΤΡʧᤷƤ줿ۥƥϰ¤ͽǤʬʬϥ󥻥ǤȱΥ饤ʡǡμϤ褽3ߤäȡ

330ʬ˵ơ530ʬ˲ȤФơ1130ʬˤϤޤȤȤʤߤˤޡѥݡȤο˹Ԥޤ衪ƲȤ˵äƤޤ15ʤȤĹ1

ˤƤGH󤬡ͭ¤ǧ(ޤϸȤ)Ѥ夷Ƥ顢ݤǶԤβǽ⤢ä櫓ǡξå餺Ĥεؤ⤭ä⤢㤦ɬפäǤ礦äȤۡ

ȤȤGHˤϴադǤ

ⳤ˹Ԥϡξ褯ǧޤ礦ġޤѤȤᤤȤĤǤ㤦Ǥ͡ʤߤڤؤѥݡȤ1֤ǽ餷

RimoˤϤ줿äƴ

ƥ:

Rimo 椬ȤǤϳΤ2000ǯޤISDNǥ󥿡ͥåȤѤƤޤ¤ISDNȤѤȤƤưȤޥǥбƤޤ衢ʤƤΤäǤ衣ޥǥȤաήԤޤ͡ȤϤΤISDNǤưϤΤƤꡢʤ̴Τޤ̴ȤǤ

θADSLȿʲưϿȶˤʤޤCPUǽ夬äȤطƤޤReal PlayerɤꡢMedia PlayerǤޤưʤȤȤϸޤǤ

о줷ΤGoogle Videoˤ֥饦Ǽڤư褬褦ˤʤޤʤäΤǤ

Google Video餷

ơμо줷ΤYouTubeˤưڤ˥åפ뤳ȤǽȤʤꡢӤΥӥǥ褦ˤʤޤ桹褬ѤäȤäƤ⡢ǤϤޤޤ

Ƽ褿ΤǤ衢RimoYouTubeο͵ư򾡼³ƺƤΤǤ14ޤǤΥ֤ͥġʤ鸫ǤޤWiiΥӥǤPCǤȤޤ

YouTube򤤤ɡ֤ΤݤȻפäƤΤϻǤϤʤäΤǤ͡⤦Ȥ줿äƴǤ

ȤȤǤͤʥӥŪȤʤꡢGoogleŪYouTubuưλϤޤäCMȤʤȤޤޤϥϤǤ礦ġ

ƥ:

LinuxUNIXΥ桼°륰롼װɽˤgroupsȤޥɤȤޤǤϥ桼johnrootǤ줾¹ԤǤ

$ groups john
john : beatles
$ groups root
root : root bin daemon sys adm disk wheel

ǤϵդΥ롼פ˽°桼ɽˤϲȤޥɤȤΤǤ礦Ϥޤ(ΤϤΤäƤ鶵Ƥ)

ǤΥ롼פ˽°桼ɽ뤳ȤϤǤʤΤȤȡʤȤϤ󤢤ޤ㤨awkޥɤǴñɽǤޤ

ޤĴ٤롼פgid(group id)Ĵ٤ޤ롼פϥե/etc/groupǴƤꡢbeatlesǸgid503Ǥɽ줿ǤƤλǡ桼tarojiroꥰ롼פȤƽ°Ƥ뤳Ȥʬޤ

$ grep beatles /etc/group
beatles:x:503:taro,jiro

˥桼ϿƤե/etc/passwdgid503ǤΤȴФǤǤawkޥɤѤ":"Ƕڤ줿ǡ4(gid)503ǤΤ򸡺1(桼̾)ΤߤɽƤޤǥץ饤ޥꥰ롼פ˽°Ƥgeorgejohnpaulringoɽޤ

$ awk -F':' '$4==503{print $1}' /tmp/passwd | sort
george
john
paul
ringo

ȤȤǡ2ʳνꥰ롼פ˽°桼򤹤٤ɽ뤳ȤǤޤ

ʤߤ˺ǽΥޥɤtaro,jiro³ɽΤǼʤϡΤ褦ˤвԤɽǤޤ

$ grep beatles /etc/group | awk -F':' '{print $4}' | awk -F',' '{gsub(",","\n") ; print $0}' | sort
jiro
taro

ν᡽޿ͤʪXV 

ƥ:

Rome_1 ν᡽޿ͤʪXV

15Ĥɤ߽äƤޤäʤȻפȲڤʤ

ˤƤ˴塢ǽŪ˥ޤѤΤϤĤƤƱȤΤᤷ





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ƥ:

Logo_readerĹRSS꡼ǤBloglinesᤷƤޤۤɻGoogle Reader˾괹ޤǤޤǾΰGoogle˻äƤ줿褦ǡ̯ʵʬǤϤޤ

BloglinesǺäƤȤϰ̤ɤRSSɽƤޤȡưŪ˴ɤˤʤäƤޤȡϤɻ֤ʤʤäȤǥ֥饦å夷ꤹɤǤʤΤɤˤʤäƤޤΤؤǤФGoogle ReaderǤϴ(Shift-a)Ȥޤ̤ɤΤޤޤǡưŪѹޤ

Google ReaderʤΤ硼ȥåmore(less)ޥɤͤnpڡǰưǤơvǻ֥򳫤ȤǤޤ

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