Analyze Filesystem in Virtual Machine Image

Transcript

1. Ծ૝Ϛγϯ͔ΒϑΝΠϧγεςϜΛ ղੳͨ͠࿩ ౻ଜ
   ڡ߂ !NBTBIJSP
2. ࠓ೔ͷൃද಺༰ w Ծ૝ϚγϯΠϝʔδͷߏ଄
   w -JOVYͷσΟεΫϑΥʔϚοτ΍ɺϑΝΠϧγεςϜσʔλߏ଄
   w ωετ͞Εͨσʔλߏ଄ͳͲΛಡΈࠐΉࡍͷ࣮૷ํ਑
   w ͦͷଞHPݴޠͰͷ࣮૷5JQT
3. എܠ Filesystem (Required) Virtual Machine Image (Required) Disk Partition 
 (Required) Logical Volume (Optional) File (Required) w Ծ૝ϚγϯΠϝʔδ͔ΒಁաతʹϑΝΠϧγεςϜΛղੳ͢Δ࢓૊ΈΛ։ൃ͍ͨ͠
   w কདྷతʹ੬ऑੑݕ஌ͳͲʹԠ༻͢Δ͜ͱΛ໨ඪʹ͍ͯ͠Δ
   ੲ4FD)BDLͰগ͠΍͍ͬͯͨʢઌߦݚڀతͳ΍ͭʣ
   IUUQTTFDIBDLOJDUHPKQBDIJFWFNFOUQEG@QEG Ծ૝ϚγϯΠϝʔδ͔ΒಁաతʹϑΝΠϧΛಡΈࠐΉͨΊʹ͸ɺ
   ͭͷσʔλߏ଄ΛಡΈࠐΜͰ͍͘ඞཁ͕͋Δɻ
   ࠓ೔͸͜ΕΒͷσʔλΛಡΈࠐΜͰ͍͘࿩Λ͠·͢ɻ
4. Virtual Machine Image Disk Partition Logical Volume Filesystem File
5. Ծ૝Ϛγϯͱ͸ ϗετ04্ʹผͷ04Λىಈ͢Δ࢓૊ΈͰɺओʹҎԼͷΑ͏ͳ੡඼Ͱఏڙ͞Ε͍ͯΔɻ 
 ·ͨɺ੡඼͝ͱʹԾ૝ϚγϯͷΠϝʔδϑΥʔϚοτ͕ఆٛ͞Ε͍ͯΔɻ
   w 7.XBSF
   W4QIFSF
   &94Jʢ7.%,ʣ
   w 0SBDMF
   7.
   7JSUVBM#PYʢ7%*ʣ
   w ,7.
   ʢ2$08ʣ
   w 8JOEPXT
   )ZQFS7ʢ7)%
   7)%9ʣ
6. Ծ૝ϚγϯΠϝʔδͱ͸ Ծ૝ϚγϯΠϝʔδͱ͸ɺϒʔτՄೳͳΦϖϨʔςΟϯάγεςϜ͕Πϯετʔϧ͞Εͨ σΟεΫΛ֨ೲͨ͠ϑΝΠϧɻ
   Ծ૝ϚγϯΠϝʔδ͕ఏڙ͢Δओͳػೳ
   w σʔλͷѹॖ
   w ޮ཰తͳόοΫΞοϓػೳ
7. Ծ૝ϚγϯΠϝʔδͱσʔλѹॖ Ծ૝ϚγϯͷݩͱͳΔσΟεΫ͸಺෦ʹϑΝΠϧγεςϜ͕֨ೲ͞Ε͍ͯΔͨΊɺඇৗʹ େ͖ͳσʔλͱͳ͍ͬͯΔɻ
   σΟεΫ͸
   
   CZUFͰຬͨ͞Εۭ͖ͨྖҬ΋ଟ͘ɺ͜ΕΒΛল͖ͭͭ೚ҙͷѹॖΞϧΰϦζ ϜͰσʔλΛѹॖ͍ͯ͠Δɻ (#
   ͷσΟεΫ ࢖༻཰
    σʔλ͋Γ (#
   ͷԾ૝σΟεΫ Πϝʔδϔομ
8. ิ଍
   ѹॖͷྲྀΕ σΟεΫ σʔλ͋Γ Ծ૝σΟεΫ Πϝʔδϔομ /
   CZUF
   ͷ
   #MPDL ɾɾɾ ɾɾɾ ɾɾɾ ɾɾɾ ࣮ࡍʹ͸σΟεΫྖҬΛ೚ҙͷϒϩοΫαΠζͰ෼ׂͯ͠ɺσʔλ͕ଘࡏͨ͠Βѹॖͯ͠ Ծ૝σΟεΫʹ֨ೲ͠ɺσʔλ͕ͳ͍৔߹͸ແࢹ͢Δɻͱ͍ͬͨ࢓૊Έ
9. Ծ૝ϚγϯΠϝʔδͷ͋Δ͋Δߏ଄ ΄ͱΜͲͷԾ૝ϚγϯΠϝʔδ͸
   )FBEFS
   5BCMF
   &OUSZ
   ͷͭͷσʔλΛ͍࣋ͬͯΔɻ w σΟεΫͷαΠζ
   w Ծ૝σΟεΫͷαΠζ
   w #MPDL
   ͷαΠζ
   w 5BCMF
   ͷҐஔ )FBEFS w &OUSZͷҐஔͱσΟεΫΦϑηο τͷඥ෇͚
   w ςʔϒϧ಺ͷ
   /൪໨͕࣮σʔλͷ
   0 ff TFU
   /
   
   #MPDL4J[F
   ͷσʔλΛ ࢦ͢Έ͍ͨͳ࣮૷͕ଟ͍ 5BCMF w &OUSZ
   ͷαΠζ
   w σΟεΫͷ࣮σʔλʢѹॖࡁΈ &OUSZ &OUSZ )FBEFS &OUSZ 5BCMF %BUB
   %BUB
   Ծ૝σΟεΫ σΟεΫ
10. Virtual Machine Image Disk Partition Logical Volume Filesystem File
11. σΟεΫύʔςΟγϣϯͱ͸ )%%
    44%ͳͲͷ෺ཧσΟεΫΛ۠੾Δ࢓૊ΈɻҎԼͷೋ͕ͭଘࡏ͍ͯ͠Δɻ
    w .#3ʢ.BUFS
    #PPU
    3FDPSEʣ
    w (15ʢ(6*%ύʔςΟγϣϯςʔϒϧʣ
    ݱࡏओྲྀͱͳ͍ͬͯΔͷ͸(15
12. σΟεΫύʔςΟγϣϯͷσʔλߏ଄ w ىಈՄೳͳύʔςΟγϣϯΛ୳͠ ࣮ͯߦ͢ΔϚγϯޠ
    w (15͸
    &'*
    ͷ֦ுػೳΛར༻ͯ͠ ͍Δ #PPU
    -PBEFS w ύʔςΟγϣϯͷઌ಄ΞυϨε
    w ύʔςΟγϣϯͷαΠζ
    w ύʔςΟγϣϯͷλΠϓ 
 ʢ4XBQ
    #PPU
    σʔλͳͲʣ 1BSUJUJPO
    5BCMF #PPU
    1BSUJUJPO #PPU
    -PEFS %BUB
    1BSUJUJPO
    1BSUJUJPO
    5BCMF σΟεΫύʔςΟγϣϯ σΟεΫύʔςΟγϣϯͷσʔλ͸ओʹɺ#PPU
    -PBEFS
    1BUJUJPO
    &OUSZ
    ͷσʔλΛ࣋ͬͯ ͍Δ
13. ิ଍
    .#3
    ͱ
    (15 (15ͷઌ಄σʔλ͸.#3ͷσʔλ͕ೖ͓ͬͯΓɺ(15
    JO
    .#3
    Έ͍ͨͳσʔλߏ଄ʹͳͬ ͍ͯΔɻ 6&'*ͷ࢓༷ॻ
    IUUQTVF fi PSHTJUFTEFGBVMU fi MFTSFTPVSDFT6&'*@4QFD@@QEG
14. Virtual Machine Image Disk Partition Logical Volume Filesystem File
15. -PHJDBM
    7PMVNFͱ͸ -7.ʢMPHJDBM
    WPMVNF
    NBOBHFSʣ͸ɺෳ਺ͷϋʔυσΟεΫ΍ύʔςΟγϣϯΛ·͕ͨͬͯ هԱྖҬΛ·ͱΊͯɺ୯Ұͷ࿦ཧϘϦϡʔϜʢ-7ʣͱͯ͠ѻ͏͜ͱͷͰ͖ΔσΟεΫ؅ཧػೳ ෺ཧσΟεΫ %JTL
    1BSUJUJPO #PPU
    4EB 4EB 17 #PPU
    QW QW 7( CPPU
    SPPU
    WPMVNF -7 CPPU
    MW MW ෺ཧσΟεΫ
16. -PHJDBM
    7PMVNFͷσʔλߏ଄ Ծ૝ϚγϯΠϝʔδ΍ɺ%JTL
    1BSUJUJPOͱಉ༷ʹ
    )FBEFS
    ͳͲΛύʔε͢ΔͱҎԼͷΑ͏ͳ
    $PO fi HϑΝΠϧΛऔಘ͢Δ͜ͱ͕Ͱ͖ɺ͜ͷϑΝΠϧΛύʔε͢Δ͜ͱͰσʔλͷಡΈࠐΈ͕Մೳ
17. Virtual Machine Image Disk Partition Logical Volume Filesystem File
18. ϑΝΠϧγεςϜͱ͸ ετϨʔδ্ʹσΟϨΫτϦ΍ϑΝΠϧͱ͍ͬͨσʔλߏ଄Λ࡞ΓɺͦΕΒʹର͢Δݖݶ ؅ཧɺಡΈࠐΈɺॻ͖ࠐΈͷΠϯλʔϑΣʔεΛఏڙ͢Δػೳ
    αʔό΍1$Ͱ͸ɺओʹҎԼͷΑ͏ͳϑΝΠϧγεςϜ͕ීٴ͍ͯ͠Δɻ
    w &95&959'4ʢ-JOVYʣ
    w '"5/5'43F'4ʢ8JOEPXTʣ
    w "1'4)'4ʢJ04
    .BD
19. ϑΝΠϧγεςϜͷσʔλߏ଄ ϑΝΠϧγεςϜ͕ڞ௨͍ͯ࣋ͬͯ͠Δσʔλߏ଄͸ɺ4VQFS#MPDL
    *OPEF
    5BCMF
    *OPEF
    &YUFOU
    5SFF
    %BUB
    #MPDL
    +PVSOBM
    ͷͭΛ͍࣋ͬͯΔ͜ͱ͕ଟ͍ w ϒϩοΫαΠζ
    w ϑΝΠϧγεςϜͷαΠζ
    w *OPEF
    5BCMFͷҐஔ
    w *OPEFͷݸ਺΍αΠζ 4VQFS
    #MPDL w JOPEFͷ഑ྻ *OPEF
    5BCMF w ϑΝΠϧͷछྨݖݶ৘ใ 
 ʢσΟϨΫτϦ
    ϑΝΠϧ
    4ZNMJOL
    ͳͲʣ
    w &YUFOU
    5SFF΋͘͠͸ϒϩοΫ΁ͷΞυϨε
    w ͦͷଞɺTUBU
    ͰऔಘͰ͖Δσʔλ *OPEF w *OPEFͱ%BUB
    #MPDLͷϚοϐϯά
    &YUFOU
    5SFF w ϑΝΠϧͷσʔλ 
 %BUB
    #MPDL w σΟεΫʹର͢Δॻ͖ࠐΈ࣌ͷτ ϥϯβΫγϣϯϩά
    w σʔλͷϝλσʔλͳͲΛอޢ͢ Δ +PVSOBM
    
20. ิ଍
    JOPEFͱσʔλϒϩοΫʹ͍ͭͯ ϑΝΠϧγεςϜʹ͓͚Δશͯͷσʔλ͸ʮϑΝΠϧʯͱͯ͠ѻΘΕɺσΟϨΫτϦͳͲ΋ ϑΝΠϧͱͯ͠ఆٛ͞Ε͍ͯΔɻͦΕΒϑΝΠϧͷϝλσʔλΛ
    *OPEF
    ͱ͍͏ɻ
    ϒϩοΫαΠζΛ௒͑Δσʔλ͸σΟεΫ্Ͱ࿈ଓ͠ͳ͍Մೳੑ͕͋ΔͨΊɺͦΕΒΛ࿦ཧత ʹ݁߹͢ΔͨΊʹ&YUFOU
    5SFFͱݺ͹ΕΔσʔλߏ଄͕༻͍ΒΕ͍ͯΔɻ *OPEF σʔλϒϩοΫ
    ʢ࣮ࡍͷσʔλ͕ೖͬͯΔྖҬʣ &YUFOU
    5SFF σʔλϒϩοΫ
    ʢ࣮ࡍͷσʔλ͕ೖͬͯΔྖҬʣ σʔλϒϩοΫ
    ʢ࣮ࡍͷσʔλ͕ೖͬͯΔྖҬʣ σʔλ͕ϒϩοΫαΠζΑΓ
    খ͍͞৔߹ σʔλ͕ϒϩοΫαΠζΑΓ
    େ͖͍৔߹
21. ͜͜·Ͱͷ࿩ Filesystem Virtual Machine Image Disk Partition Logical Volume File XFS /etc/os-release … other files Boot Code … Other filesystem LVM Master Boot Record GUID Partition Table Other Volumes… Compressed Virtual Machine Image … Ծ૝ϚγϯΠϝʔδͷதʹ͸ҎԼͷΑ͏ͳܗͰσʔλ͕֨ೲ͞Ε͍ͯΔɻ
22. ͔͜͜Β(PݴޠͰͲ͏࣮૷͍͔ͯ͘͠ʁΈ͍ͨͳ࿩ʹͳΓ·͢
23. Ծ૝ϚγϯΠϝʔδ͔ΒϑΝΠϧγεςϜΛղੳ લड़ͷ௨Γɺ֤ϨΠϠʔΛύʔε͢Δ͜ͱͰɺԾ૝ϚγϯΠϝʔδ͔ΒϑΝΠϧΛղੳՄ ೳʹࢥ͑Δ͕ɺԾ૝ϚγϯΠϝʔδΛղౚ͢ΔͱɺσʔλαΠζ͕૿େ͢ΔՄೳੑ͕͋Δ ͨΊɺѹॖঢ়ଶͰղੳΛ࣮ߦ͍ͨ͠ɻ Filesystem Virtual Machine Image Disk Partition Logical Volume File .#
    d
    ਺(#
    ਺े(#
    d
    ਺5#
    
24. Ծ૝ϚγϯΠϝʔδ͔ΒϑΝΠϧγεςϜΛղੳ ѹॖ͞ΕͨԾ૝ϚγϯΠϝʔδ͔ΒϑΝΠϧγεςϜΛղੳ͢ΔͨΊʹɺҎԼͷઓུΛऔΔ
    w Ծ૝ϚγϯΠϝʔδ͔Β'JMFTZTUFNΛಁաతʹ୯ҰϑΝΠϧͱͯ͠ѻ͑ΔΑ͏ʹ͢Δ
    w ϑΝΠϧͱͯ͠։͍ͨ'JMFTZTUFNʹ
    SFBEEJS΍ɺPQFOEJSͰ͖ΔΑ͏ʹ͢Δ Filesystem Virtual Machine Image Disk Partition Logical Volume File 'JMFTZTUFN
    Λந৅తͳʮϑΝΠϧʯͱͯ͠ಁաతʹಡΈࠐΈ͍ͨ 'JMFTZTUFNʹରͯ͠
    ʮPQFOEJSʯ΍ʮSFBEEJSʯΛ࣮ߦͰ͖ΔΑ͏ʹ͍ͨ͠
25. ωετ͞ΕͨϨΠϠʔΛϑΝΠϧͱͯ͠ಁաతʹಡΈࠐΉ ϑΝΠϧΛಡΈࠐΉͨΊʹඞཁͳػೳ͸ҎԼ
    w 'JMF4FFL P ff TFU
    JOU
    XIFODF
    JOU 
 ϑΝΠϧϙΠϯλͷҐஔΛࢦఆͨ͠ҐஔʹҠಈͤ͞Δ͜ͱ͕Ͱ͖Δؔ਺
    w 'JMF3FBE CVG
    <>CZUF 
 ϑΝΠϧϙΠϯλ͔Β೚ҙͷόΠτ਺ΛಡΈࠐΉؔ਺ ͜ΕΒͷؔ਺͸ҎԼͷؔ਺Λ࣮૷͢Δ͜ͱͰຬͨ͢͜ͱ͕Մೳ w 'JMF3FBE"U P ff TFU
    JOU
    CVG
    <>CZUF 
 ೚ҙͷϑΝΠϧΦϑηοτ͔Β೚ҙͷόΠτΛಡΈࠐΉؔ਺
    w 'JMF4J[F 
 ϑΝΠϧͷαΠζΛऔಘ
26. Ծ૝ϚγϯΠϝʔδΛந৅Խ͢Δ w ӈਤͷΑ͏ʹ
    'JMF
    ΠϯλʔϑΣʔεΛఆٛ͠ ֤ϨΠϠʔʹ࣮૷͢Δ
    
27. Ծ૝ϚγϯΠϝʔδΛந৅Խ͢Δ Compressed Virtual Machine Image ѹॖ͞Εͨσʔλ Virtual Machine Image ղౚ͞Εͨσʔλ
    Y
    ͷσʔλ 3FBE"U CVG
    1IZTJDBM
    0 ff TFU 3FBE"U CVG
    -PHJDBM
    0 ff TFU PT'JMF 'JMF
    *OUFSGBDF 5SBOTMBUF0 ff TFU
28. %JTL
    1BSUJUJPOΛந৅Խ͢Δ w %JTL
    1BSUJUJPO͸
    'JMF
    Λड͚औΓɺෳ਺ͷ
    'JMF
    Λฦ࣮͢૷Λ͢Δ
    w ֤ύʔςΟγϣϯͷ։࢝ҐஔΛ'JMFͷॳظ
    0 ff TFUͱͯ͠ѻ͏ͨΊɺͦΕΒΛม׵͢Δ
29. %JTL
    1BSUJUJPOΛந৅Խ͢Δ Compressed Virtual Machine Image ѹॖ͞Εͨσʔλ Virtual Machine Image ղౚ͞Εͨσʔλ
    Y
    ͷσʔλ 3FBE"U CVG
    1IZTJDBM
    0 ff TFU 3FBE"U CVG
    -PHJDBM
    0 ff TFU PT'JMF 'JMF
    *OUFSGBDF 5SBOTMBUF0 ff TFU Disk Partition #PPU
    1BSUJUJPO
    'JMF 1BSUJUJPO
    'JMF
    " %JTL
    *OUFSGBDF 5SBOTMBUF0 ff TFU 'JMF
    *OUFSGBDF 3FBE"U CVG
    -PHJDBM
    0 ff TFU -JTU
    'JMFͷ։࢝஍఺͕มΘΔͨΊ
    0 ff TFUΛ૬ରతʹͣΒ͢ඞཁ͕͋Δ
30. ϑΝΠϧγεςϜΛந৅Խ͢Δ w ͜Ε·Ͱͷ࣮૷Ͱɺ4FFL
    3FBE
    ͕Մೳͳ୯ҰͷϑΝΠϧͱͯ͠
    'JMFTZTUFNΛѻ͑Δ
    w JPGT
    ΠϯλʔϑΣʔεΛ࣮૷͢Δ͜ͱͰɺϑΝΠϧγεςϜΛந৅Խͯ͠ѻ͑Δ
    ࣮૷͕͢͜ͿΔෳࡶͳͷͰׂѪ 
 ެࣜͷϦϑΝϨϯεʢIUUQTQLHHPEFWJPGTʣ 
 ࢀߟ࣮૷ʢIUUQTHJUIVCDPNNBTBIJSPHPYGT fi MFTZTUFN
31. ϑΝΠϧγεςϜΛந৅Խ͢Δ Compressed Virtual Machine Image ѹॖ͞Εͨσʔλ Virtual Machine Image ղౚ͞Εͨσʔλ
    Y
    ͷσʔλ 3FBE"U CVG
    1IZTJDBM
    0 ff TFU 3FBE"U CVG
    -PHJDBM
    0 ff TFU PT'JMF 'JMF
    *OUFSGBDF 5SBOTMBUF0 ff TFU Disk Partition #PPU
    1BSUJUJPO
    'JMF 1BSUJUJPO
    'JMF
    " %JTL
    *OUFSGBDF 5SBOTMBUF0 ff TFU 'JMF
    *OUFSGBDF 3FBE"U CVG
    -PHJDBM
    0 ff TFU -JTU
    'JMFͷ։࢝஍఺͕มΘΔͨΊ
    0 ff TFUΛ૬ରతʹͣΒ͢ඞཁ͕͋Δ Filesystem 'JMFTZTUFN #PPU
    'JMF 'JMF
    *OUFSGBDF 'JMFTZTUFN
    *OUFSGBDF 8BML%JS
    'JMF0QFO