ミニマリストのためのAlpine

Alpine Linux Meetup Tokyo #1
2016/04/21

1. ϛχϚϦετͷͨΊͷ
   "MQJOF 
   "MQJOF
   -JOVY
   .FFUVQ
   5PLZP
   
2. ࣗݾ঺հ w τχʔϞϦε͸ϏδωεωʔϜ
   w ຊ໊͸ฏా஌ٛ
   w *5ؔ࿈ͷձࣾۈ຿
   w ࣄۀձࣾ޲͚ʹ4ZTUFN
   *OUFHSBUJPOΛߦ͏૊৫ʹॴଐ
   w %8)ɺ#VTJOFTT
   *OUFMMJHFODFͷ࢓ࣄ͕ϝΠϯ
   w ྲྀߦͷݴ༿Ͱݴ͏ͱɺ#JH
   %BUBͱ͔"OBMZUJDT
   w ৬छ͸ϓϩδΣΫτϚωʔδϟʔ·ͨ͸ΞʔΩςΫτʢϓϩδΣΫτʹΑΔʣ
   w ΞϓϦέʔγϣϯ͔Πϯϑϥ͔ͱݴͬͨΒɺΞϓϦέʔγϣϯ୲౰
3. #MVF.JY
   ʹ͓͚Δ%PDLFS w *#.ͷΫϥ΢υαʔϏε#MVF.JYͰ͸1BB4ɺ7.ͱฒͼɺ%PDLFSϕʔεͷαʔϏε͕ఏڙ͞Ε͍ͯΔ
   
4. #MVF.JY
   ʹ͓͚Δ%PDLFS w *#.ͷΫϥ΢υαʔϏε#MVF.JYͰ͸%PDLFSΠϝʔδ͕ఏڙ͞Ε͍ͯΔ
   w 
   ࣌఺Ͱ#MVF
   .JYʹϩάΠϯ͢ΔͱɺԼهͷΠϝʔδ͕ఏڙ͞Ε͍ͯͨ
5. %FWFMPQFS
   8PSLT
   ͰνϡʔτϦΞϧɺΨΠυ ͕ެ։͞Ε͍ͯΔͷͰɺͥͻ͝ཡ͍ͩ͘͞ https://www.ibm.com/developerworks/jp/cloud/library/cl-bluemix-minecraft-docker-trs-1/
6. "MQJOFΛࣗ୐ͷαʔόʔʹಋೖͯ͠ΈΔ IUUQXJLJBMQJOFMJOVYPSHXJLJ*OTUBMMBUJPO "MQJOFͷಋೖ͸͜ͷϦϯΫઌͷखॱͰ໰୊ͳ͠ ಋೖ௚ޙͷσΟεΫͷঢ়ଶ͸͜Μͳײ͡
7. ͦ͜ʹ%PDLFSΛಋೖͯ͠ΈΔ "MQJOFʹ%PDLFSͷύοέʔδ͕͋Δ IUUQTQLHTBMQJOFMJOVYPSHQBDLBHFT OBNFEPDLFSCSBODIWSFQPBSDINBJOUBJOFS ͳͷͰɺ
   BQL
   BEE
   EPDLFS
   Λ࣮ߦ͢Ε͹0,
   
8. ॳΊͯͷEPDLFS
   SVO
9. QVMMͯ͠ΈΔ w ৭ʑͱ
 QVMMͯ͠Έͨ w ۤ࿑ͨ͠ͷ͸͜ͷΤϥʔ IUUQGPSVNBMQJOFMJOVYPSHGPSVNHFOFSBMEJTDVTTJPOXJOEPXTBMQJOFEPDLFSDPNNFOU w ͜͜ʹॻ͍ͯ͋ΔखॱͰղܾ #!/bin/sh apk add docker sysctl -w kernel.grsecurity.chroot_deny_chmod=0 sysctl -w kernel.grsecurity.chroot_deny_mknod=0 service docker start sleep 5 docker --version docker pull hello-world docker pull alpine docker images localhost:/media# docker pull ianblenke/xfce Using default tag: latest latest: Pulling from ianblenke/xfce a3ed95caeb02: Pull complete aac0c133338d: Extracting 2.235 MB/2.235 MB 762372f10b38: Download complete failed to register layer: ApplyLayer exit status 1 stdout: stderr: chmod /bin/bbsuid: permission denied failed to register layer: ApplyLayer exit status 1 stdout: stderr: chmod /bin/mount: permission denied localhost:~# docker images REPOSITORY TAG IMAGE ID CREATED SIZE docker latest 3c926f66728e 2 days ago 75.7 MB frolvlad/alpine-python3 latest 88404569db3b 9 days ago 58.06 MB frolvlad/alpine-go latest b0840d40aade 2 weeks ago 179.1 MB frolvlad/alpine-bash latest f30b8e53e1ea 2 weeks ago 14.78 MB jazzdd/alpine-flask latest b1bfa267edec 2 weeks ago 80.21 MB alpine latest d7a513a663c1 2 weeks ago 4.794 MB x11docker/lxde latest 1398a64f70a6 6 months ago 423.2 MB ianblenke/xfce latest b3c21c878fb2 12 months ago 470.5 MB
10. EFTLUPQ؀ڥͷߏஙʹ௅ઓɹ὎ɹஅ೦ w ʮϛχϚϦετͷͨΊͷʯͱ͍͏ςʔϚʹԊͬͯɺϛχϚϧͳ࡞ۀ؀ڥΛ ߏங͠Α͏ͱࢼΈ͕ͨɺ9
    TFSWFS
    पΓͰΤϥʔͱͳΓɺஅ೦ɻ
    
11. չ͍͠ͷͰ͜Μͳ͜ͱΛ w ίϚϯυϥΠϯ্ʹը૾Λදࣔ
 JNHUYU
    ίϚϯυ
 ˞ຊ౰͸໐ͬͯ·ͤΜ
    w ίϚϯυϥΠϯ্ͰNQ࠶ੜ
 NQH
    
    BQL
    ͰJOTUBMM w $6*ͷϒϥ΢β
 MZOY
    BQL
    ͰJOTUBMM
12. 3BTQCFSSZ
    1JͰ΋΍ͬͯΈͨ
    w ͜ͷαΠτͷखॱͰ"MQJOFΛΠϯετʔϧ
 IUUQXJLJBMQJOFMJOVYPSHXJLJ3BTQCFSSZ@1J w "3.༻ͷEPDLFSͷύοέʔδ΋͋Γ
 w 3BTQCFSSZ
    1J
    Ͱ΋(6*ߏஙΛஅ೦
 ɾɾɾ9
    TFSWFSؔ࿈ͷΤϥʔ͕ղফͰ͖ͳ͔ͬͨ
    IUUQTQLHTBMQJOFMJOVYPSHQBDLBHFT OBNFEPDLFSCSBODIWSFQPBSDIBSNIGNBJOUBJOFS $%ͱൺ΂ͯ͜ͷେ͖͞
    ແઢ-"/ɺ#MVFUPPUI͕ೖͬͯ=  εΠοναΠΤϯεͰͷՁ֨ 

13. -FTTPOT
    -FBSOFE ϔουϨεӡ༻͕લఏ
    
14. #VTJOFTT
    7JFX
    Ͱͷ"MQJOF
    
    %PDLFS ࣄۀձࣾˍ4ZTUFN
    *OUFHSBUPS
    ͱ͍͏εΩʔϜͰ
    ɹ"MQJOF
    
    %PDLFS
    ͷల։͸ࠓޙͲ͏ͳΔͷ͔ʁ
    ʢࢲͷԾઆʣ
15. ͜Μͳ࣌Ͳ͏͢Δʁ ࣄۀձࣾͷ*5෦໳ͷτοϓɾϚωδϝϯτ͕
    ʮ͜Ε͔Β͸%PDLFSͩΑʯͱݴͬͨΒʁ
16. ͜Μͳ࣌Ͳ͏͢Δʁ ࣄۀձࣾͷ*5෦໳ͷτοϓɾϚωδϝϯτ͕
    ʮ΍͸ΓΦϯɾϓϨϛεͩʯͱݴͬͨΒʁ
17. ࣄۀձࣾʹͱͬͯ%PDLFS͸༗ӹ͔ʁ w ΞϓϦέʔγϣϯ୲౰ͷݱ৔ΤϯδχΞ͔Β͢Δͱ%PDLFS͸ඇৗʹັྗతʹөΔɻ
    w ͳͥͳΒɺΠϯϑϥͷ4DSBQ
    
    #VJME
    ͕͠΍ͦ͢͏ͰɺԼهͷΑ͏ͳ໰୊ΛղܾͰ͖ͦ͏ɻ 1MBO 3% %FTJHO #VJME%FQMPZ 6"5 1MBO 3% %FTJHO #VJME%FQMPZ 6"5 "QQ
 5FBN *OGSB
 5FBN 1SPKFDU
    5JNFMJOF ͜ͷ࣌఺Ͱਖ਼͍͠
 ඇػೳཁ݅ΛܾΊΔͷ͸ඇৗʹࠔ೉ ͜͜Ͱ
 1SPPG
    0G
    $PODFQU
 ΍ͬͱ͖͍ͨ ͜ͷ࣌఺Ͱඇػೳཁ͕݅
 ܾ·ͬͯͳ͍ͱ࡞ۀ͕ਐ·ͳ͍ ϛυϧ΢ΤΞͱ04ͷ
 ૬ੑͷ໰୊͕൑໌ ͦΜͳʹ؆୯ʹ
 αʔόʔ࡞Εͳ͍ ࠓ͞Βઃఆมߋ͸ແཧ ύϑΥʔϚϯεͷ
 ໰୊͕൑໌ ඇػೳཁ݅ɺ
    Ͳ͏ͯ͠
 ͪΌΜͱܾΊͳ͍ͷʁ *OGSBνʔϜͷ੒Ռ෺͸ɺαʔόʔͦͷ΋ͷͱ๲େͳઃఆ஋ϦετɺߏஙखॱॻͰ͋Δɻ
 ͦΕΒͷߋ৽ͱ࠶࣮ࢪ͸ɺϓϩδΣΫτͷίετΛߟ͑Δͱݱ࣮తͰ͸ͳ͍
18. ࣄۀձࣾʹͱͬͯ"MQJOF͸༗ӹ͔ʁ w γεςϜߏ੒ܾఆʹ͓͍ͯɺٕज़Ҏ֎ͷཁૉ͕઎ ΊΔׂ߹͸ҙ֎ʹେ͖͍ɻ
    w ࣄۀձࣾٴͼ4*FS͸༗ঈσΟετϦϏϡʔγϣϯ Λ޷Ήɻ͜Ε͸αϙʔτΛٻΊΔͨΊɻ
    w ϦεΫͷసՇ΋ཧ༝ͷҰ͕ͭͩɺసՇ͔ͨ͠Βͱ ͍ͬͯܰݮ͞ΕΔΘ͚Ͱ͸ͳ͍ɻ
19. ࣄۀձࣾʹͱͬͯ"MQJOF͸༗ӹ͔ʁ w ʮܰ͞ʯʹϞδϡʔϧͷগͳ͞
    w ʮܰ͞ʯʹιʔείʔυͷগͳ͞
    ɹɹͱ͍͏͜ͱͳΒɺো֐ൃੜͷϦεΫ͸ܰݮ͞ΕΔ
    w ϦεΫసՇΑΓܰݮ͕༗ӹͳͷ͸ݴ͏·Ͱ΋ͳ͍ɻ ܰ͞͸ਖ਼ٛ