Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
人間たちとsystemd
Search
KONDO Uchio
April 23, 2016
Technology
5k
18
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
人間たちとsystemd
@コンテナ勉強会
http://ct-study.connpass.com/event/28449/
KONDO Uchio
April 23, 2016
More Decks by KONDO Uchio
See All by KONDO Uchio
大規模レガシーテストを 倒すための CI基盤の作り方 / #CICD2023
udzura
5
2.6k
Ruby x BPF in Action / RubyKaigi 2022
udzura
0
310
Narrative of Ruby & Rust
udzura
0
270
開発者生産性指標の可視化 / pepabo-four-keys
udzura
3
1.8k
Talk of RBS
udzura
0
500
Re: みなさん最近どうですか? / FGN tech meetup in 2021
udzura
0
860
Dockerとやわらかい仮想化 - ProSec-IT/SECKUN 2021 edition -
udzura
2
810
Device access filtering in cgroup v2
udzura
1
1k
"Story of Rucy" on RubyKaigi takeout 2021
udzura
0
920
Other Decks in Technology
See All in Technology
AI-DLCを “そのまま導入しなかった”話 ~組織に合わせてアジャストした 私たちの実践共有~
hiroramos4
PRO
0
170
SONiC Scale-Up Working Group から探る Scale-UpやUltraEthernet機能の実装方法
ebiken
PRO
2
400
Flow 不死:AI 時代 DevOps 的不變本質
cheng_wei_chen
2
240
iAEONの段階的リアーキテクト戦略 / iAEON's_Gradual_Re-architecture_Strategy
aeonpeople
0
230
ぼっちではじめた登壇が「51名」「241件」の発信に化けた
subroh0508
0
200
AIのReact習熟度を測る
uhyo
2
650
2026TECHFRESH畢業分享會 - 葬送的通靈師:化系統與用戶雜訊成行動訊號
line_developers_tw
PRO
0
1.3k
気軽に使える"情報のハブ"としてのNotion活用 〜フロー情報の集積点 と、 Claude Code × Notion AI〜
syucream
1
150
ザ・データベース、MySQL ~ OSC 2026 Sendai ~
sakaik
0
130
2026TECHFRESH畢業分享會 - 原生還是跨平台? App 開發踩坑實錄
line_developers_tw
PRO
0
1.3k
人材育成分科会.pdf
_awache
4
300
LayerXにおけるセキュリティ管理の現在地と次の一手
tosho
0
240
Featured
See All Featured
Measuring & Analyzing Core Web Vitals
bluesmoon
9
870
From π to Pie charts
rasagy
0
210
Mozcon NYC 2025: Stop Losing SEO Traffic
samtorres
1
260
Building a Modern Day E-commerce SEO Strategy
aleyda
45
9.1k
brightonSEO & MeasureFest 2025 - Christian Goodrich - Winning strategies for Black Friday CRO & PPC
cargoodrich
3
730
Ten Tips & Tricks for a 🌱 transition
stuffmc
0
140
Why Mistakes Are the Best Teachers: Turning Failure into a Pathway for Growth
auna
0
160
Claude Code どこまでも/ Claude Code Everywhere
nwiizo
65
56k
Abbi's Birthday
coloredviolet
2
8.1k
Templates, Plugins, & Blocks: Oh My! Creating the theme that thinks of everything
marktimemedia
31
2.8k
The MySQL Ecosystem @ GitHub 2015
samlambert
251
13k
The Language of Interfaces
destraynor
162
27k
Transcript
TZTUFNEͬ͘͟Γೖ GMO Pepabo, Inc. Uchio Kondo 2016/04/23 ίϯςφܕԾԽͷใަձˏԬ ਓؒͨͪͱTZTUFNE
ਓؒͷհ
None
ۙ౻͏͓ͪ (.0ϖύϘॴଐ ٕज़ج൫νʔϜ Ԭࢧࣾۈ 'VLVPLBSC
3BJMT(JSMT'VLVPLB૯߹ࡶ༻ίʔν·ͱΊ
None
None
ڵຯ 3VCZ(PMBOHΛগʑ %PDLFS-9$ 1VQQFU )BTIJDPSQUPPMT
0QFO4UBDL &MFDUSPO3FBDU IUUQXXXTMJEFTIBSFOFUVE[VSBIBTIJDPSQUPPMT
ZFBSTPME3VCZJTU 3BJMT͝Ζ͔ΒͷϧϏʔετ d 3VCZΛ͜͡Βͤͯஶ࡞͋Γ 8FC %#1SFTT3VCZ࿈ࡌ
d ύʔϑΣΫτ3VCZ ύʔϑΣΫτ3BJMT 8FC %#1SFTTWPM৽ਓಛू߸</FX>
None
None
'PVOEFSPG
None
੍ݶࣄ߲ 04ͳͲͷϨΠϠʔɺਖ਼Θ͔͍ͬͯͳ͍͠ɺ ΧʔωϧͷίʔυಡΜͩ͜ͱ͕͋Γ·ͤΜ ʮ࣮ʜʜ͖͔ͬ͞Β͕͍͑ͯΔοʜʜʯ
ਓؒͨͪͷͨΊͷ TZTUFNE֓ཁ
JOJUʢ͋Δ͍ͦͷସʣ ࠷ॳʹىಈͯ͠ɺͨ͘͞ΜͷαʔϏεͲΛ ্ཱͪ͛ͯཧ͢Δ $FOU04ͳͲʜTZTWJOJU $FOU046CVOUVʜ6QTUBSU 049ʜMBVODIE
ʜʜ
JOJUTDSJQU
6QTUBSU
TZTUFNEͬ͘͟Γ ࠾༻ σΟετϦ αʔϏε ఆٛ 04 റΓ DHSPVQ OBNFTQBDF ͱ࿈ܞ
ૢ࡞ίϚϯυ JOJU TDSJQU $FOU04 ͳͲ͍Ζ͍Ζ JOJUTDSJQU 4IFMMεΫϦϓτ ͳ͍ εΫϦϓτ TFSWJDF 6QTUBSU $FOU04 ࠷ۙ·Ͱͷ 6CVOUV ಠࣗܗࣜͷ DPOG FUDJOJU DPOG ͳ͍ TFSWJDFJOJUDUM TZTUFNE $FOU04d 6CVOUVd ΄͔ 6OJUϑΝΠϧ -JOVY ͷΈ ͍ͬͯ͘ TZTUFNDUM TFSWJDF ˞6CVOUV͔Βར༻Մೳ
3FUIJOLJOHPG1*% จ͕ͩʜ ͬ͘͟Γ ىಈεΫϦϓτɺ݁ہશ෦γΣϧεΫϦϓτͩͬͨΓɺҰ ݸҰݸىಈͰ͠ΜͲ͔ͬͨΓɺDHSPVQͱ͔φౕ͍ͱͷ ࿈ܞେมͩΑͶʜʜ
ͦ͜ͰTZTUFNEɺͱ͍͏ײ͡Β͍͠ ˞IUUQQPJOUFSEFCMPHQSPKFDUTTZTUFNEIUNM
TZTUFNEΛ ͬͯΈΔ
6OJUϑΝΠϧ ಠࣗܗࣜ JOJ෩ એݴత ʮUBSHFUʯʮNPVOUʯʮTFSWJDFʯʮEFWJDFʯ ͳͲͷछྨ͕͋Δ
6OJUಉ࢜ґଘ͕ؔ͋Δ
ྫόΠφϦҰݸͷαʔϏε
ྫόΠφϦҰݸͷαʔϏε આ໌ͷ΄͔ɺґଘ͢Δ6OJUϑΝΠϧɺ ىಈॱংΛهड़ ίϚϯυɺ࣮ߦϢʔβʔɺ લޙʹൃߦ͢ΔίϚϯυɺڥมɺ DHSPVQTͷ੍ݶͳͲ ϥϯϨϕϧ૬Λهड़
ྫఆظ࣮ߦλΠϚʔ
-PHHJOH KPVSOBMEͱ͍͏αʔϏε͕୲͢Δ TZTUFNEͷҰ෦ͱ͍͏ѻ͍ αʔϏεଆɺجຊͱʹ͔͘ඪ४ग़ྗʹϩάΛग़͍͍ͤ ʢGBDUPSBQQײʣ ᠘TZTUFNEͰɺKPVSOBMEΛ࠶ىಈ͢Δͱ
αʔϏε͕མͪΔ͜ͱ͋Δʜʜ $FOU04ͷσϑΥϧτ $FOU04ͰTZTUFNEʹͳΓɺͬͯΔ
TZTUFNEͱ Ϧιʔε੍ݶ
VMJNJU ϦιʔεΛ͍͍ײ͡ʹ੍ݶ͢Δͭ $16ɺϝϞϦɺϑΝΠϧσΟεΫϦϓλʜʜ
6OJUϑΝΠϧ 6OJUϑΝΠϧγΣϧεΫϦϓτ͡Όͳ͍ JOJUεΫϦϓτΈ͍ͨʹVMJNJUΛॻ͚͍͍ͱ͍ ͏͡Όͳ͍ VMJNJUόΠφϦͰͳ͍ͷͰ&YFD4UBSU1SFͰΩοΫͰ͖ ͳ͍ɺͳͲ
όΠφϦͻͱͭΈ͍ͨͳͱ͖ɺϥούʔΛ͔· ͢ʁ͍͍ʜʜ
NBOTZTUFNEFYFD IUUQXXXGSFFEFTLUPQPSHTPGUXBSFTZTUFNENBOTZTUFNEFYFDIUNM-JNJU$16
NBOTZTUFNEFYFD 6OJUϑΝΠϧʹએݴతʹॻ͘ˠΘ͔Γ͍͢ʂ VMJNJUͰ͍͏ͲΕʹ૬͢Δ͔͕ॻ͍ͯ͋ͬͯ ศར > LimitCPU= ➡ ulimit
-t > LimitRSS= ➡ ulimit -m > LimitNOFILE= ➡ ulimit -n
ηοτ͢ΔͱͲ͏ͳΔʁ
͜͏͍͏ײ͡ʹͳΔ ແࣄɺ$16Λඵ༗ͨ͠ޙLJMM͞ΕΔ
͏Ұͭͷํ๏ NBOTZTUFNESFTPVSDFDPOUSPM
DHSPVQͱͷ ࿈ܞ
None
TZTUFNEDHUPQ
$162VPUBͯ͠Έ·͠ΐ͏
ͳΔ΄Ͳ
ʙ
DHSPVQͳͷͰ ಈతʹϦιʔεͷར༻Λมߋ͢Δ͜ͱՄೳ EFNP͠·͢
None
Ͳ͕͍͍ͬͪΜͩΖ͏ʜʜ NBOݟͨײ͡ͷҹɺSFTPVSDFDPOUSPMԡ͠ɻ l"MTPOPUFUIBU-JNJU344JTOPU JNQMFNFOUFEPO-JOVY BOETFUUJOHJUIBTOP F⒎FDUz
VMJNJU͔ΒҠߦ͍͢͠Α͏ʹ-JNJU ͕͋Δײ͡ɻ ͳΔ͘SFTPVSDFDPOUSPMͨ͠΄͏͕͍͍ͷͰ
TZTUFNEͱ ϑΝΠϧγεςϜͷlz
1SJWBUF5NQઃఆ
ࣗಈͰσΟϨΫτϦ͕Ͱ͖Δ ˞αʔϏεΛམͱ͢ͱσΟϨΫτϦফ͑Δ
αʔϏεଆͰUNQ
ਂ͍ ىಈલʹ ϑΝΠϧγεςϜΛVOTIBSF͢Δ UNQΛUNQTZTUFNEQSJWBUF ʹ όΠϯυϚϯτ͢Δ
ͱ͍͏͚ͩ ͳͷͰਖ਼֬ʹɺNPVOUOBNFTQBDFͷΛ ར༻͍ͯ͠Δ
VOTIBSF ͱ -JOVYOBNFTQBDFͱ ϓϩηε͝ͱʹɺΞΫηεͰ͖ΔϦιʔεΛ͚Δ͜ͱ͕ Ͱ͖Δػೳ VOTIBSFΛݺͿͱ֘ϓϩηεͰ
৽͍͠ωʔϜεϖʔεΛ࡞Δ ʢNPVOUɺωοτϫʔΫɺ1*%ʜʜʣ
TZTUFNEͷྫ NOUͷωʔϜεϖʔε ͚͕ͩมΘ͍ͬͯΔ ͜ͱ͕Θ͔Δ
ͦͷଞͷNPVOU IUUQFOBLBJIBUFOBCMPHDPNFOUSZ
3FBE0OMZ%JSFDUSJFT
ͦͷϓϩηε͔ΒมߋͰ͖ͳ͍ ҰํͰɺଞͷϓϩηε͔ΒՄೳ
ͦͷϓϩηεͰ ͪ͜ΒɺVOTIBSF͞Εͨ͋ͱɺ FUDSFBEPOMZUFTUΛSPͰόΠϯυϚϯτ͠ͳ͓ ͍ͯ͠Δ͜ͱ͕Θ͔Δ ҰํɺଞͷϓϩηεͰͦͷϚϯτ͕֬ೝͰ͖ͳ͍
͏গ͚ͩ͠ ਂ͍
VOTIBSFʹͳΖ͏ IJCPNB͞Μͱ͍͏ํͷهࣄ SVCZͰVOTIBSF ݺͼग़ͯ͠Ϛϯτ໊લۭؒΛ IUUQEIBUFOBOFKQIJCPNB
֦ுϥΠϒϥϦॻ͔ͳͯ͘ݺͼग़ͤΔΑ͏ͳͷ Ͱศར
JSCͰΖ͏
JSCͰΖ͏
૯ׅ
TZTUFNE ͨͩͷJOJUͷସͰͳ͍ DHSPVQ-JOVYOBNFTQBDFͱ ݁ߏີʹ࿈ܞͰ͖ɺ৭ʑͳ͍ಓ͕͋Γͦ͏ ʢͦ͏ׂ͍͑Ѫ͠·͕ͨ͠ɺDBQBCJMJUZ͍͡Ε·͢ʣ > CapabilityBoundingSet=CAP_NET_ADMIN
CAP_NET_RAW …
TZTUFNEͷϝϦοτॴײ 6OJUϑΝΠϧͰએݴతʹαʔϏεఆٛɺ ґଘɺϦιʔεͷɺΛఆٛͰ͖Δ DHSPVQMJOVYOBNFTQBDFͷৄࡉͳ"1*ʹ ৄ͘͠ͳͯ͘ɺTZTUFNEͷσΟϨΫςΟϒ͕ ϥοϓͯ͘͠ΕΔͷͰɺ༰қʹར༻Ͱ͖Δ TZTUFNEਓؒͨͪʹ༏͍͠ʂ
DPOUBJOFSWTTZTUFNE TZTUFNE͚ͩͰͰ͖Δ͜ͱ͕݁ߏ͋Δ Ͱ͖ͳ͍͜ͱ͋Δɻ1*%ͷͱ͔͕ͦ͏ %PDLFSͱTZTUFNEͷ࿈ܞͷྫ͋Δ IUUQFOBLBJIBUFOBCMPHDPNFOUSZ
૬͢ΔͷͰͳ͘ɺಘҙͰ͍͚
5SZ TZTUFNE
ࢀߟจݙ 4ZTUFNEೖγϦʔζ JEFOBLBJ͞Μ IUUQFOBLBJIBUFOBCMPHDPNFOUSZ ͱ͍͏͔ඇৗʹৄ͘͠ɺͷൃදཁΔΜͩΖ͏͔ʜʜ
TZTUFNEపఈೖ!-JOVYঁࢠ෦ ಉ IUUQXXXTMJEFTIBSFOFUFOBLBJMJOVY ͷൃදSZ DPOTVMUFNQMBUFΛTZTUFNEͰಈ͔͢ͱ͖ͷֶͼ IUUQUPNPIJTBPEBDPNQPTUTVTF@TZTUFNE@XJUI@DPOTVMUFNQMBUFIUNM