Keynote (Oedo RubyKaigi 06)

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$ whoami Sorah Fukumori (׉׵כ https://sorah.jp/ | GitHub @sorah |
Twitter @sora_h Site Reliability Engineer at https://cookpad.com/uk ❨㣐و؎؝ؙٝٓـ ,.$ 鿇㆞ Rubyist, Ruby committer Interests: Site Reliability, Networking, Distributed systems  Love: IDOLM@STER

,FZOPUF

,FZOPUF ˖ ⡦佦׻׋׃ָ

IUUQTUXJUUFSDPNB@NBUTVEBTUBUVT

,FZOPUF ˖ זծז׷קו˘

כ׋׍ ˖ ז׿ַֿ׿ז㜥䨽ד渿㣐חוֲ׮֮׶ָהֲ׀ְׂתׅկ ˖ SPTZMJMMZך鑧׃׋״ֲח肪׍ת׃׋ ˖ 湱䔲衅׍滠ֹ׾䖤׋ ˖ ז׿ה傈劤铂׾剅ְג㊯׸׷״ֲחז׏׋

,FZOPUF ˖ ⡦׾鑧׉ֲ ˖ וֲװ׵欰钰鎸䙀׵׃ְ׊ ˖ 㣐寐䨫׏ג欰崞涪邌ך㜥׌׏׋孡ָׅ׷ךד欰崞涪邌ח׃״ֲ

欰崞涪邌 ˖ 欰崞˘ֿ׿ז✲׾׃ג׋׵ֲֿז׶ת׃׋ծ׫׋ְז鑧ח׃״ֲ ˖ 欰崞ׄׯזֻג⼱欰涪邌ַז ˖ 棆׃ֻ荈䢧鑧׾׃״ֲַה ˖ ׀㺁饘ֻ׌ְׁ

"HFOEB ˖ 植朐然钠 ˖ 湫鵚ך崞⹛ ➬✲ 馯㄂ ˖ 鵚屣
˖ ➙䖓

植朐然钠

إٔؗإحز ˖ ⡦ַ׾㹋鄲׃זְהְֽזְ儗ծ植儗挿ծ椚鍑׃גְגⵃ欽דֹ׷ اؿزؐؑ،װفٗز؝ٕ׾תה׭ג׫׋ ˖ ♧鿇㸣樴ז椚鍑דכזְדׅ

إٔؗإحز OSPF BGP VRRP VXLAN IKEv2 IPv6 IPsec 802.11 Cisco
IOS JUNOS NEC IX VyOS RADIUS LDAP SAML OAuth2 Active Directory Azure AD Itamae Linux Debian Gentoo Ubuntu systemd AWS HTTP/2 ACME nginx Zabbix Puppet SNMP Ruby Rails MySQL iOS Android Redis Windows Server ISUCON iproute2 Go Docker IPv4 consul DNS unbound nsd strongSwan DHCP macOS kubernetes Jenkins

إٔؗإحز ⿫罋 Linux Debian Gentoo Ubuntu Ruby iOS Android macOS
Rails

IOS JUNOS NEC IX VyOS RADIUS LDAP SAML OAuth2 Active Directory Azure AD Itamae Linux Debian Gentoo Ubuntu systemd AWS HTTP/2 ACME nginx Zabbix Puppet SNMP Ruby Rails MySQL iOS Android Redis Windows Server ISUCON iproute2 Go Docker IPv4 consul DNS unbound nsd strongSwan DHCP macOS kubernetes Jenkins

إٔؗإحز ˖ 04*⿫撑ٌرٕד鎉ֲ-։-כؕغ٦דֹגְ׉ֲ ˖ ׭ׇׂؿٕأةحؙ

إٔؗإحز ˖ 㖇⦜涸䧭ꞿ

湫鵚ך崞⹛

湫鵚ך崞⹛ ˖ 2ֶ⵸כ剑鵚זח׾װ׏ג׷׿׌

湫鵚ך崞⹛ ˖ ֶ⵸כ剑鵚זח׾װ׏ג׷׿׌ ˖ 剑鵚כ֮׿ת׶㼎㢩涸ז崞⹛כדֹגזְדׅ˘׀׭׿זְׁ׀ ׭׿זְׁկ

湫鵚ך崞⹛ ˖ הְֲծ⼱欰ך䮶׶鵤׶ ˖ 㹋כֿֿ剑鵚ծ㼎㢩涸ח鑧ׅ㣐ֹז䧭卓暟ָזְ˘կ ˖ 䎃כֶֶֹזؕٝؿ؋ٖٝأדךز٦ؙ׾䭯׋זַ׏ ׋ 䭯גזַ׏׋

崞⹛ ։ ˖ ךןךןה؎ٝة٦طحز׾׃גְ׋ ˖ 䎃갦ַ׵稢ղה$(*ثٍحزזוח欰䜁׃ג׋ ˖ זֶ։תדכ!0IJPʹ͍·ͨ͠

崞⹛ ։ ˖ 䎃։כגזծ䎃։5XJUUFSזוח欰䜁׃גְ׋ ˖ 㸣Ⰻח랲娖〷 ˖ $
1)1זו׾鍗׏גְ׋ָծ؝٦سכ剅ֽגְזַ׏׋ ˖ 剑ⴱ劍כ)41הְֲ ➙ח׃ג䙼ִל 閯ז鎉铂׮鍗׏גְ׋

崞⹛ ։ ˖ SPTZMJMMZךز٦ؙך鸐׶דׅ ˖ ➂꟦ח撹׵׸׷傈ղ ˖ ぢֲָֿ㹋騧׃גזְ鑧ד׮撹׏גֹג׋׶׃׋ה䙼׏גְ׷
˖ 䎃ֻ׵ְַ׵3VCZח䩛׾⳿׃גծ䎃ֻ׵ְַ׵3VCZ؝ ىُصذ؍פ

崞⹛ ˖ ת׌؝٦سכ剅ֽזְ儗➿ 傈劤铂ָ㊯׸׷הכ鎉׏גְזְ ˖ ד׮ְ׹ְ׹װ׏ג׋׵3VCZ؝ىحة٦הז׏גְ׋ ˖ UFTUVOJUQBSBMMFMJ[Fהַث؛حز鋅ג㔐׏׋׶הַ

崞⹛ ˖ $PPLQBE*ODדغ؎ز׾׃גְ׋ ˖ Ꟛ涪㛇湍ث٦يחⰅ׏ג⤑ⵃז爡ⰻخ٦ٕװ؟٦ؽأ 黝㹅044 ׾⡲׏׋׶ծꟚ涪罏ך欰欵䚍׾佄ִ׷➬✲ ˖
؝٦س剅ֽזֺׅגぐ⡘חꑺִ׵׸גְ׋

崞⹛ ˖ غ؎زַ׵ؿٕة؎يפ ˖ 厤NPOPMJUIJD3BJMTBQQד嶊署׃אאծꟚ涪禸؟٦غ٦ך꬗⦜׾ 鋅׷״ֲחז׏׋ ˖ ⦐➂ד׮؟٦غ٦׾׍ׯ׿ה盖椚׃㨣׭׋׶׃׋ ˖
8&# %#13&44ך3VCZ暴꧊ח侧ل٦آ剅ְ׋׶׮׃׋

崞⹛ ˖ ➬✲דכرفٗ؎خ٦ٕ׾⡲׶זָ׵ TPSBINBNJZB ˖ ֿ׸כ3VCZ,BJHJךز٦ؙחז׏׋ ˖ ⦐➂דכطحزٙ٦ؙח莆㄂׾䭯׍כׄ׭ג-JOVY؟٦غד黝䔲ח
ְׄ׶כׄ׭׋׶ ˖ קַח׮TPSBIFOWDIBJO׾⡲׏׋䎃

崞⹛ ˖ ➬✲כꟚ涪㛇湍ַ׵؎ٝؿٓפ殯⹛׃ג؟٦غ׾ְְ䠬ׄח׃גְ ֻךָ➬✲חז׏׋ ˖ ⦐➂ד؎ٝؿٓ㺔׶ך✲׾׃ג׋׶ծ➬✲ד׮؟٦غ٦ך盖椚׾ 穠圓ׅ׷״ֲחז׏גծ؎ٝؿٓה⟗ָ葺ַ׏׋ךָ㣐ֹ׉ֲ ˖ ⦐➂דכ׍ׯ׿ה׃׋طحزٙ٦ؙ堣㐻׮鍗׶כׄ׭׷
˖ TPSBIOHJOY@PNOJBVUI@BEBQUFSזו׮אֻ׏׋

崞⹛ ˖ ➬✲כ䒷ֹ竲ֹ؎ٝؿٓկ㕂ꥷ㾜Ꟛךفٗآؙؑزָ劤呓⻉׃גծ׉ך؎ ٝؿٓ䬐䔲ה׃ג鷄׻׸גְ׋ ˖ ׋ת׋ת薉铂ָ׃ׯץ׸׋ ˖ ׋ך׃ְֽו㣐㢌 ˖
孡➰ֽל傈劤铂׮爡⠓➂׵׃ְ俑畍ָ欰׫⳿ׇ׷״ֲחז׶ת׃׋ ˖ ֿך䎃כ䘏׃ֻג⡦ַ⤑ⵃז暟׾ؖحخٔאֻ׏׋׶הַכ⦐➂ד׮⳿勻 ׆˘կ

˖ 剑鵚ך馯㄂ה莆㄂眔㔲כ؎ٝؿٓծطحزٙ٦ؙװ㣐鋉垷ءأذي ח㺔׏׋׮ךהז׏׋ ˖ וֲװ׵׻׋׃כ葿ղה琎׫♳־ג娎鮦ָנ׏׋׶כת׏ג⹛ֻך ָ㥨ֹ׵׃ְ ˖ ׉׸ָفٗإأⰻד㸣穠ׅ׷ךדכ弫駈דֹזֻז׶ծ 
醱侧وءٝծطحزٙ٦ؙծ㜥䨽ծה䎢ָ׏גְ׏׋

馯㄂ ˖ ➬✲דכ⳿勻זְ٥䠐㄂זְծװ׶חְֻ眔㔲׮֮׷ךד琎噰涸ח ⦐➂ 馯㄂ך眔㔲 ד䩛׾⳿ׅ״ֲח׃גְ׷ ˖ ˘הכְִծ㣐僓חծワ׶ָ黝䔲ח֮׵ײ׷✲ד撹׏גֹ׋ךדծ ׉ךせ婍׶דչֿ׸׮⳿勻זְה娤ט孡ָׅ׷պה䙼ְ鴥׬ンְ׾ ִַַגְ׷眍ָ֮׷
˖ ז׿ד׮װ׷

馯㄂ ˖ ׉׸ח⠵׏ג⦐➂ד׮׉ֿ׉ֿך؎ٝؿٓ׾䫴ִ׷✲הז׏׋կ

猘鏣؎ٝؿٓ EC2 ap-northeast-1 EC2 us-west-2 ࣮Ո ͘͞ΒͷVPS౦ژ ࣗ୐ ͘͞ΒͷVPSੴङ app
mgmt vm1 vm2 rec zraid mgmt ad1 ad2 mgmt vm app

猘鏣؎ٝؿٓ ˖ OFUXPSL ˖ $JTDP. +VOJQFS&9$ 6CJRVJUJ&3-JUF ˖ #*3%
041' #(1 ˖ TUSPOH4XBO *,&W *1TFD ˖ TFSWFS ˖ (FOUPP-JOVY TZTUFNE ˖ .*UBNBF ˖ TZTUFNEOTQBXO )ZQFS7 ,7. &$ ˖ NJTD ˖ "DUJWF%JSFDUPSZ "[VSF"% ˖ ;BCCJY ˖ +FOLJOT 1BDLFS ˖ 䬿挿 ˖ 㹺㹋㹺 ˖ "84BQOPSUIFBTU VTXFTU ˖ ֻׁ׵ך714匌❨瀖杘 ˖ ؟ـطحزכ11ך׊ְג׮耵㜥ךؔ ؿ؍أה؎ٝؿٓ״׶㢳ְ

馯㄂ ˖ ➬✲דכ֮ת׶ꟼ׻׶ָזְ䪮遭暴חطحزٙ٦ؙ꬗ ˖ 荈䊹弫駈 ˖ ד׮➬✲ד瑱搫䕵ח甧׏׋׶ׅ׷ַ׵Ⰻ搫ꟼ⤘זְⴓꅿד麇עךכ⤑ⵃ ַ׮׃׸זְ
˖ ؟٦غ٦ծ暴חطحزٙ٦ؙ׾װ׏גְ׷➂כ8FC禸דכ幾׏גְ׷孡 ָׅ׷׃ֶׅׅ׭דׅ ˖ 暴ח蕯罏ד؎ٝؿٓװ׏ג׷➂㼰זְ孡ָ׃גְגַז׃ְկ

➬✲ ˖ ⵸鶢ך鸐׶ծ剑ⴱכչꟚ涪㛇湍պה׃גדꟚ涪ך׋׭ך爡ⰻ  ؟٦ؽأ٥خ٦ٕזו׾װ׏גְֻ➬✲׾׃גְ׋ ˖ 馯㄂穗歋ד؎ٝؿٓח׋תח〡⳿׃׋׶׃ג׋׵ծ׃׵זְ꟦ח  ؎ٝؿָٓ噟⹡ח⸇׻׏גְ׋ ˖ 剑鵚כ爡ⰻطحزٙ٦ؙ׮׋תח〡׾⳿ׅ״ֲחז׏׋ ˖
֮הכ׋ת׋ת麇׿דְ׋"DUJWF%JSFDUPSZהַ׮껷׾瑱׏鴥׬״ֲ חז׏׋˘կ

إٔؗإحز ˖ ׉ְֲֲ鏬דծ馯㄂ה➬✲דְ׹ְ׹װ׏גְ׋䨽ծ  ⯋כ׃ָזְ3VCZJTUְָ׹ְ׹ז✲ָ⳿勻׷״ֲחז׏׋ ˖ 3'$װؔ٦فٝا٦أז㹋鄲׾铣׭ל杝㷕ד׮װ׏גְֽתׅ

鵚屣

鵚屣 ˖ ֿך״ֲח湡חאְ׋暟׾ְ׹ְ׹鍗׏גְ׷ה䖚ղחװ׶׋ְ✲ ך鋉垷ָ㣐ֹֻז׏גֻ׷

鵚屣 ˖ طحزٙ٦ؙ穈׿ד➂ךزٓؿ؍حؙ׾׃׏ַ׶ה鄩ֹ׋ְז

鵚屣8J'J麊欽 ˖ طحزٙ٦ؙ穈׿ד➂ךزٓؿ؍حؙ׾׃׏ַ׶ה鄩ֹ׋ְז  ̔״׹׃ְؕٝؿ؋ٖٝأ8J'J׌

鵚屣8J'J麊欽 ˖ ؕٝؿ؋ٖٝأ8J'Jךװ׶ַ׋ ˖ 8J'J"1׾欽䠐׃ג ˖ ؎ٝة٦طحزפך⳿〡׮欽䠐׃ג %/4%)$1瘝ろ׭ ˖
佄ꥺזֻِ٦ؠ٦ךزٓؿ؍حؙ׾崧ׅ

dns-002 dns-001 bastion-001 dhcp-001 log-001 zabbix-001 (NAT) sw sw2 tp
dns ap{1..4} ap{4..8} streaming client client internet existing facility .mgmt: 200 (.16.0/24) .srv: 210 (.17.0/24) .client:100 (.0.0/20) aws (vpc) az1 public .nw.techconf.cookpad.com az1 private wlc /21 /22 /23 /24 /2 /13-16 /3 /1 1 Tun1-2 az2 public /21 /22 /23 /24 0/0 0/1 /1 /9-12 .16.10 .0.10 .17.10 .16.20 .0.1 gw .16.1 .16.2 .16.3 .16.1x .16.1x .18.1 loopback (.18.0/24) AS65000 AS10124 rproxy-001 .128.0/17 .0.0/17 .160.0/21 .168.0/21 .128.0/21 10.200.0.0/16 .200.10.in-addr.arpa .17.1 192.0.2.0/24 network address host address (omit parent address) 192.0.2.10/24 router L2 switch server vm, container UTP Cat6 /0 interface trunk untag ←VLAN shared Wi-Fi AP/WLC LAG

鵚屣8J'J麊欽 ˖ 麊欽כꬊ䌢ח׋ְפ׿

鵚屣8J'J麊欽 ˖ 8J'J 暟椚 כ׬׆ַ׃ְ ˖ "1׀הח䱸竲ׁ׸גְ׷ؙٓ؎،ٝزך⨉׶ ˖ /"5إحءّٝ侧 ˖
FUD

鵚屣8J'J麊欽 ˖ ׉ך➭כˑ$PPLQBE5FDI$POG䲿⣘8J'Jך酅⩎˒׾⿫撑 ˖ IUUQUFDIMJGFDPPLQBEDPNFOUSZ ˖ ➭ח׮匌❨3VCZ⠓陽ך8J'Jזו׾䩛⠗ְת׃׋

鵚屣8J'J麊欽 ˖ 嫰鯰涸麊欽ָ׃׿וְֽו♳䩛ְֻ׏ג׷ך׾鋅׷ךכ孡ⴓָ葺ְ

鵚屣؎ٝة٦طحز

鵚屣؎ٝة٦طحز ˖ הֿ׹דծ؎ٝة٦طحزחאזֺ׋ְ

鵚屣؎ٝة٦طحز ˖ ؎ٝة٦طحزחאזֺ׋ְ

؎ٝة٦طحز הכ

鵚屣؎ٝة٦طحز ˖ 2؎ٝة٦طحزהכ

鵚屣؎ٝة٦طحز ˖ 2؎ٝة٦طحزהכ ˖ չ䊬㣐ז؝ٝؾُ٦ة٦طحزٙ٦ؙպ ˖

鵚屣؎ٝة٦طحز ˖ 2؎ٝة٦طحزהכ ˖ "䎂׋ֻ鎉ִל*1،سٖأפך穗騟׾穈籼 "4 ׀הח堀床׃׃ ג䧭׶甧׏גְ׷ #(1
˖ ⢽ִל*41ַ׵顗ֲ*1،سٖأפך穗騟כծ*41ָ׉ך䱸竲⯓"4 ׾穗歋׃ג⚅歲ח䎢㜠׃גְ׷

鵚屣؎ٝة٦طحز ˖ ٍؗٔ،ָⰕꟚ׃גְ׷#(1MPPLJOHHMBTTזו׾⢪ֲהծ׉ך*1 ،سٖأפך穗騟כוָֿ䎢㜠׃גְגծ׉ךٍؗٔ،ַ׵כוך ״ֲז穗騟חז׏גְ׷ַָⴓַ׷ ˖ IUUQBTCHQKQMHDHJ RVFSZBSH  "4ֻׁ׵؎ٝة٦طحزַ׵"84&$VTXFTUכ  "4/55׾穗歋׃גְ׷✲ָⴓַ׷
˖ 醱侧ך䱸竲⯓ַ׵「⥋׃גְ׷儗כծمحف侧װ鏣㹀זוד剑黝穗騟ָ鼅䫛ׁ׸תׅ

USBDFSPVUFד׮然钠

鵚屣؎ٝة٦طحز ˖ ֿך״ֲח䎢㜠ׁ׸גְ׷穗騟䞔㜠כ*1WדכⰋ⚅歲ד♰穗騟 ֻ׵ְחז׏גְ׷ ؿٕٕ٦ز

鵚屣؎ٝة٦طحز ˖ ֿך״ֲח䎢㜠ׁ׸גְ׷穗騟䞔㜠כ*1WדכⰋ⚅歲ד♰穗騟 ֻ׵ְחז׏גְ׷ ؿٕٕ٦ز ˖ סֲ

鵚屣؎ٝة٦طحز ˖ את׷הֿ׹ծ ˖ #(1ؿٕٕ٦ز麊欽׾׃ג ؎ٝة٦طحزחאזְד麇ן׋ְ

ֿךפ׿׾ ׍׳׏ה װ׶׋ְ

鵚屣؎ٝة٦طحز ˖ ה鎉ֲ׻ֽדؚٗ٦غٕ"4殢〾׾+1/*$ַ׵《䖤׃ג؎ٝة٦ طحزח䱸竲ׅ׷彊⪒׾㨣׭ת׃׋

http://whois.nic.ad.jp/cgi-bin/whois_gw?key=59128&type=AS [ JPNIC database provides information regarding IP address and
ASN. [ is restricted to network administration purposes. For further info [ use 'whois -h whois.nic.ad.jp help'. To only display English outpu [ add '/e' at the end of command, e.g. 'whois -h whois.nic.ad.jp xxx Autonomous System Information: [AS৘ใ] a. [AS൪߸] 59128 b. [AS໊] KMC f. [૊৫໊] ژେϚΠίϯΫϥϒ g. [Organization] Kyoto University Microcomputer Club m. [؅ཧऀ࿈བྷ૭ޱ] JP00138462 n. [ٕज़࿈བྷ୲౰ऀ] JP00138462 n. [ٕज़࿈བྷ୲౰ऀ] SF28500JP n. [ٕज़࿈བྷ୲౰ऀ] TU018JP

鵚屣؎ٝة٦طحز ˖ ה鎉ֲ׻ֽדؚٗ٦غٕ"4殢〾׾+1/*$ַ׵《䖤׃ג؎ٝة٦ طحزח䱸竲ׅ׷彊⪒׾㨣׭ת׃׋ ˖ "4❨㣐و؎؝ؙٝٓـ׾״׹׃ֶֻ격ְ׃תׅ ˖ 蕱眍➂欰䎃ծהֲהֲ؎ٝة٦طحزָדֹ׷

إٔؗإحز ˖ ⱄ䲓׃תׅ

IOS JUNOS NEC IX VyOS RADIUS LDAP SAML OAuth2 Active Directory Azure AD Itamae Linux Debian Gentoo Ubuntu systemd AWS HTTP/2 ACME nginx Zabbix Puppet SNMP Ruby Rails MySQL iOS Android Redis Windows Server ISUCON iproute2 Go Docker IPv4 consul Jenkins DNS unbound nsd strongSwan DHCP macOS kubernetes

إٔؗإحز ˖ תה׭׷הծ

إٔؗإحز ˖ 醱侧䬿挿ך- -鏣鎘֮׷玎䏝דֹ׷״ ˖ ⚥鋉垷ךؔؿ؍أךطحزٙ٦ؙ穈׬玎䏝 ˖ ؎ٝة٦طحز׍׳׏הדֹ׷״ 统䖤⚥
˖ ؕٝؿ؋ٖٝأ8J'J׮֮׷玎䏝דֹ׷״ ˖ *1W׍׳׏ה׻ַ׷״ ˖ 盲暟ٕ٦ة׍׳׏ה鍗׸׷״ ˖ "DUJWF%JSFDUPSZ "[VSF"%׍׳׏הⴓַ׷״ ˖ 4".-׍׳׏הⴓַ׷״ ˖ ず圫ח8JOEPXT4FSWFS׍׳׏הⴓַ׷״ ˖ 鵚➿涸ז-JOVY؟٦غ麊欽דֹ׷״ ˖ -JOVY؝ٝذش䪮遭׍׳׏ה׻ַ׷״ ˖ *BB4ֽ׏ֲֿⴓַ׷״ ˖ הֻח"84כⰋ⡤涸חֻ׻׃ְ״ ˖ 3VCZ׍׳׏הⴓַ׷״ ˖ 8FC،فٔ؛٦ءّٝ׍׳׏ה⡲׸׷״ ˖ ػؿؓ٦وٝأ *46$0/׏גװאד ⡘הַחז׏׋׫׋ְ׌״ ˖ 薉铂׍׳׏ה㊯׸׷״ ˖ ➭➂ַ׵㹋鄲鸞䏝ד鐰⣣ׁ׸ג׷׫׋ְ׌״

إٔؗإحز ˖ ׭ׇׂؿٕأةحؙ

➙䖓

כ׋׍ ˖ 䩝

כ׋׍ ˖ 䩝岣٥爡⠓➂娖䎃

כ׋׍ ˖ 䩝岣٥爡⠓➂娖䎃 ˖ Ⲇ꫼חז׏ג⢽ִלꤍ⼼湱䔲 ַ׵爡⠓➂娖׾駈׃ג׫׷ה傀 ח꟦鵚דחֿװַז孡䭯׍חז׷

כ׋׍ ˖ 孡➰ֽלծ䖓鹌חչיִיִպה㡮׾ַֽ׷⩎חז׏גְג荈ⴓד ׮ן׏ֻ׶׃תׅי ˖ ׻׋׃ָ֮׿ז蕯孡ד「ֽⰅ׸׵׸׋״ֲח׻׋׃׮䖓鹌ח㼎׃ ג长ղװ׏גְַזְהְֽזׁ׾䠬ׄ׷ ˖ 3VCZ؝ىُصذ؍חכ׉ך挿ד䠬闐

➙䖓 ˖ 葺ְ䠬ׄחׅ׷⤑ⵃז暟׾ֿ׸ַ׵׮㹋鄲׃גְֹ׋ְ ˖ ぐ珏044崞⹛׮׃׋ְי˘կ

➙䖓 ˖ չ㼎㢩涸חⴓ㊯׸׷ֻ׵ְך⡦ַ 㹋鄲➰ պ婍䔉׾䌢ח䫴ִ׋ְ ˖ ➙傈׮׉ְֲֲךז׿ַ䭯׏גֹ׋ַ׏׋דׅי ˖ ׌ְ׋ְչ➬圫װ㹋鄲׾鋅גְ׸ל荈僇ד׃׳պչװ׷׌ֽד כպהַ鎉ְָ׍ד荈ⴓדⴻ倖ָדֹזְ㉏겗׮֮׷
˖ ➙㔐ך鑧׾箺׷ך׮湱䔲׋ְפ׿׌׏׋׃ծ㊯׷堣⠓ָ搀ְךדأ ٕؗ׮♳ָ׵זְהְֲ㉏겗׮

➙䖓 ˖ ז׷״ֲח欰ֹגֹ׋ךדז׷״ֲח欰ֹ׸ל葺ְה䙼ְאא׮ծ ׉׹׉׹ءٍؗحה׃גְַזְה䖓׹ַ׵䖓鹌ח媷ׁ׸׉ֲ ˖ ֮׋׶תִ׌ֽו傀ח荈ⴓ״׶蕯ְ➂׾錁庠׃גְגծֶ׉׹׃ ְ ˖ ꦀ㽿׃׋ְ

תה׭ ˖ ֲֿװ׏ג䮶׷莸ֲה׻׋׃׫׋ְחז׶תׅ ˖ ⿫罋חוֲ׊ ˖ ⽬堣䠬׾䭯׍זָ׵Ⲇ꫼ח׉ך㜥ד黝ⴖזٗ٦ٕד欰ֹגְֹ׋ְ ˖ ד׮׮ֲ׃ל׵ֻ植㜥ד㹋鄲׾׃ג׋ְկ ˖
׉ךפ׿ךぐ⡘כ䭯׍⵸ךإٔؗד䪮遭涸חכن؝ن؝ חדֹ׷朐䡾כ笝䭯 ׃׋ְ ˖ ؝ىُصذ؍ך涺ׁת➙䖓ה׮וֲ׊״׹׃ֶֻ격ְ׃תׅ

Keynote (Oedo RubyKaigi 06)

Keynote (Oedo RubyKaigi 06)

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