勉強会の資料です。 塩尻インキュベーションプラザ、松本ソフト開発センター、にてオープンな勉強会を実施しています。

1. CentOS 7 ධ㛛
᪂䛧䛟⏕䜎䜜ኚ䜟䛳䛯CentOS

2. ⮬ᕫ⤂௓
኱ཎ ៅ୍㑻䚷https://twitter.com/ohhara_shiojiri
䠄᭷䠅䝖䝷䝇䝖䝛䝑䝖䝽䞊䜽䝇䚷ሷᑼ䜲䞁䜻䝳䝧䞊䝅䝵䞁䝥䝷䝄䠍䠌䠔ྕᐊ
http://shiojiri-osslabo.com/
䞉㛗㔝┴ሷᑼᕷ䛻άືᣐⅬ䜢⨨䛟䚸ᕷෆ䝥䝻䜾䝷䝬䞊᭷ᚿ䛻䜘䜛ᅋయ
䞉䛂䜸䞊䝥䞁䛺⎔ቃ䛷䜸䞊䝥䞁䛺άື䜢┠ᣦ䛩䛃䜢ྜゝⴥ䛻㞟䛖
䞉CoderDojo Shiojiri 㛤ദ䚷䞉ᑠᏛ⏕㧗Ꮫᖺྥ䛡Rubyᩍᐊ㛤ദ
䞉ITᢏ⾡᭩䜢䝸䝤䝷䜲䝈䛷㈚䛧ฟ䛧䚸䜎䛯ᕷ❧ᅗ᭩㤋䛸༠ຊ

3. 䜰䝆䜵䞁䝎
● CentOS䛻䛴䛔䛶
● RHEL 7 䛻䛴䛔䛶
● LAMP⎔ቃ䛻䛴䛔䛶
● 䜲䞁䝇䝖䞊䝹䛻䛴䛔䛶
● ᳨ド⎔ቃ
● systemd
● NetworkManager
● iproute2

4. CentOS䛻䛴䛔䛶
● Red Hat Enterprise Linux(RHEL)䜽䝻䞊䞁
௚䛻Ꮫ⾡ྥ䛡䛻Scientific Linux
● RHEL䛛䜙ၟᶆ䜔ၟ⏝䛾䝟䝑䜿䞊䝆䜢㝖እ
● Community ENTerprise Operating System
● Red Hat♫䛾᭷ൾ䝃䝫䞊䝖䜢ᚲせ䛸䛧䛺䛔⏝㏵
● 2014ᖺ1᭶Red Hat♫䛜ᨭ᥼⾲᫂
● RHEL䛸㧗䛔஫᥮ᛶ

5. RHEL 7 䛻䛴䛔䛶
● 2014ᖺ6᭶10᪥䝸䝸䞊䝇
● 10ᖺ㛫䝃䝫䞊䝖䚷2024ᖺ6᭶30᪥䜎䛷
● Fedora19䜢䝧䞊䝇
● 䜹䞊䝛䝹䝞䞊䝆䝵䞁 3.10
● 64bit䛾䜏 x86_64/ppc64/s390s䝃䝫䞊䝖
● ext4 → xfs䚷᭱኱500TB䝃䝫䞊䝖
● GRUB Legacy → GRUB2䚷UEFI䝃䝫䞊䝖

6. LAMP⎔ቃ䛻䛴䛔䛶
● LAMP⎔ቃ䛸䛧䛶䛾CentOS
○ ᚑ᮶䝅䝇䝔䝮䛸䛾஫᥮ᛶ䛸Ᏻᐃᛶ䜢㔜ど䛧䛶䚸ᶆ‽䝟䝑
䜿䞊䝆䛾䝞䞊䝆䝵䞁䛿ྂ䛔䜎䜎䛷䛧䛯䚹
○ ྂ䛔䝞䞊䝆䝵䞁䛾䝃䝫䞊䝖䛜⥆䚻䛸⤊஢䛧䛶䛔䜛䚹
○ ᛶ⬟ྥୖ䚸ᶵ⬟ྥୖ䚸䝉䜻䝳䝸䝔䜱ྥୖ䛜ồ䜑䜙䜜䜛䚹
○ RHEL7(CentOS7)䛛䜙᪂䛧䛔䝞䞊䝆䝵䞁䜢᥇⏝䟿
● CentOS6.5䛾LAMP⎔ቃ
○ Apache䚷→䚷2.2.15䚷㛤Ⓨ⤊஢䚷᪂∧⛣⾜䜢᥎ዡ
○ MySQL䚷→䚷5.1.73䚷㛤Ⓨ⤊஢䚷᪂∧⛣⾜䜢᥎ዡ
○ PHP䚷→䚷5.3.3䚷㛤Ⓨ⤊஢䚷᪂∧⛣⾜䜢᥎ዡ
○ Perl䚷→䚷5.10.1
○ Python䚷→䚷2.6.6

7. LAMP⎔ቃ䛻䛴䛔䛶
● CentOS7䛾LAMP⎔ቃ
○ Apache䚷→䚷2.4.6䚷᭱᪂ᶵ⬟䛾Ᏻᐃ∧
○ MySQL䚷→䚷MySQL5.5஫᥮䛾MariaDB 5.5.37
○ PHP䚷→䚷5.4.16䚷᭱᪂䛾PHP䛿5.6.0
○ Perl䚷→䚷5.16.3䚷᭱᪂䛾Perl䛿5.20.0
○ Python䚷→䚷2.7.5䚷᭱᪂䛾Python䛿3.4.1
○ ྛ䝞䞊䝆䝵䞁䛿2014ᖺ9᭶10᪥᫬Ⅼ䛷䛩䚹
● CentOS6.5䛷LAMP⎔ቃ䛾᪂䝞䞊䝆䝵䞁ᵓ⠏
䛿኱ኚ㠃ಽ䛺䛾䛷䚸CentOS7䜢฼⏝䛧䜎䛧䜗
䛖䚹
● CentOS6.5䛛䜙CentOS7䜈䛾⛣⾜䛜බᘧ䝃
䝫䞊䝖䛥䜜䛶䛔䜎䛩䚹

8. 䜲䞁䝇䝖䞊䝹䛻䛴䛔䛶
● ᚑ᮶㏻䜚ISO䝣䜯䜲䝹䛜⏝ព䛥䜜䛶䛔䜎䛩䚹
○ http://www.centos.org/download/
○ ᶆ‽䛷3.9GB䚷᭱኱䛾Everything䛷6.6GB䟿
○ ᭱ᑠ䛾minimal䛷566MB
○ 㧗㏿䝛䝑䝖⎔ቃ䛜䛒䜜䜀䚸Netinstall䛷362MB
● 䜲䞁䝇䝖䞊䝷䞊䛾anaconda
○ ᚑ᮶䛿䜲䞁䝇䝖䞊䝹䛾㡰䜢㏣䛳䛶䜸䝥䝅䝵䞁䜢タᐃ䛧䛶䛔
䛯䛜䚸ண䜑䜸䝥䝅䝵䞁䜢㑅ᢥ䛧䛶䛛䜙䜲䞁䝇䝖䞊䝹ᐇ⾜䛜
ฟ᮶䜛䜘䛖䛻䛺䛳䛯䚹

9. 䜲䞁䝇䝖䞊䝹䛻䛴䛔䛶
● 䜽䝷䜴䝗⎔ቃ⏝䛾䜲䝯䞊䝆䜢ணᐃ䛧䛶䛔䜎䛩䚹
○ AWS➼䛾䝟䝤䝸䝑䜽䜽䝷䜴䝗
○ OpenStack➼䛾䝥䝷䜲䝧䞊䝖䜽䝷䜴䝗
○ Docker
● 䜽䝷䜴䝗฼⏝⪅䜢᝿ᐃ䛧䛶䚸Vagrant䛾BOX䝣䜯
䜲䝹䛻䛶௒ᅇ䛿Ꮫ⩦䛧䛶⾜䛝䜎䛩䚹

10. ᳨ド⎔ቃ
● VirtualBox 4.3.16(2014/09/11᫬Ⅼ)
○ https://www.virtualbox.org/wiki/Downloads
○ CPU䛾௬᝿䝬䝅䞁ᨭ᥼ᶵ⬟䛜ᚲせ(BIOSタᐃ)
○ Windows䛾ሙྜ䚸䝅䝇䝔䝮䛾PATHタᐃ䛜ᚲせ
■ 4.2⣔䚷C:Program FilesOracle VM VirtualBox
■ 4.3⣔䚷C:Program FilesOracleVirtualBox

11. ᳨ド⎔ቃ
● Vagrant 1.6.5(2014/09/05᫬Ⅼ)
○ http://www.vagrantup.com/downloads.html
○ Windows䛾ሙྜ䚸䝅䝇䝔䝮䛾PATHタᐃ䛜ᚲせ
■ C:HashiCorpVagrantbin
■ C:HashiCorpVagrantembeddedmingwbin
○ 䝁䝬䞁䝗䝥䝻䞁䝥䝖䛾௦䜟䜚䛻mingw32䛜౑⏝䛷䛝䜛䚹
■ C:HashiCorpVagrantembeddedmingwmingw32env.cmd
● BOX䝣䜯䜲䝹 CentOS 7
○ https://dl.dropboxusercontent.com/s/w3lbekm7eunrskm/centos-7.0-x86_64.box
○ CentOS7.0 x86_64 minimal + Puppet + VirtualBoxGuestAddtions 4.3.14

12. ᳨ド⎔ቃ
● Vagrantfile䜢⦅㞟䛧䛶IP䜰䝗䝺䝇䜢๭䜚ᙜ䛶䛯
䝜䞊䝗䛷㉳ື䛥䛫䜎䛩䚹
● Vagrantධ㛛䛾㈨ᩱ䜢ཧ↷䛧䛶ୗ䛥䛔䚹
○ http://www.slideshare.net/ShinichiroOhhara/solavagrantver2

13. ᳨ド⎔ቃ
Virtual Box ⎔ቃ
䜽䝷䜲䜰䞁䝖ഃ
Ubuntu 14.04
䝩䝇䝖PC
䝹䞊䝍䞊
192.168.33.1
䝃䞊䝞䞊ഃ
CentOS7
192.168.33.70

14. systemd
● 䝃䞊䝡䝇⟶⌮䛜systemd䜈ኚ᭦䛻䛺䜚䜎䛧䛯䚹
○ 䝅䝇䝔䝮䛾㉳ື᫬䚸䝅䝱䝑䝖䝎䜴䞁᫬䛺䛹䚸䝃䞊䝡䝇䝥䝻
䝉䝇䛾⟶⌮䝅䝇䝔䝮䛜᪂䛧䛟䛺䜚䜎䛧䛯䚹
● ᚑ᮶䛿UNIX⏤᮶䛾init䛻䛶⟶⌮
○ UNIX䛾init䛻䛿䚸SystemV⣔䛸BSD⣔䛜䛒䜛
○ RHEL5(CentOS5)䜎䛷䛿SysVinit
○ /etc/inittab䛻タᐃ䛥䜜䛯䝷䞁䝺䝧䝹䛷⟶⌮
○ RHEL6(CentOS6)䛛䜙ubuntu䛸ྠ䛨Upstart
○ /etc/init/௨ୗ䛾タᐃ䝣䜯䜲䝹䛷⟶⌮
○ Upstart䛿SysVinit஫᥮
○ ஫᥮ᛶ䛾䛒䜛䝅䜵䝹䝇䜽䝸䝥䝖䛷ືస䜢タᐃ

15. systemd
● init䜘䜚ኚ䜟䛳䛯䛣䛸
○ Upstart䜘䜚୪ิᗘ䛾㧗䛔㧗㏿䛺㉳ື䛸⤊஢
○ 䝅䜵䝹䝇䜽䝸䝥䝖䛷䛿䛺䛟タᐃ䝣䜯䜲䝹䛻䜘䜛⟶⌮
○ 䝃䞊䝡䝇䝥䝻䝉䝇㉳ື䛜ᵝ䚻䛺᪉ἲ䛷ᰂ㌾䛻ฟ᮶䜛
○ cgroups䛻䜘䜛䝃䞊䝡䝇䝥䝻䝉䝇䛾䝸䝋䞊䝇⟶⌮
● Unit
○ 䝃䞊䝡䝇䝥䝻䝉䝇䛾タᐃ䝣䜯䜲䝹
○ systemd䛜Unit䛾タᐃ䛷ฎ⌮䛩䜛䚹
○ ௚䛾Unit䛸㐃ᦠ䠄౫Ꮡ䛸㉳ື㡰䠅䛧䛶ฎ⌮䛜ฟ᮶䜛䚹
○ ᣑᙇᏊ䛻䜘䛳䛶ᵝ䚻䛺Unit䛾✀㢮䛜䛒䜛䚹
○ タ⨨ሙᡤ䛿䚸/etc/systemd/system
○ 䜲䞁䝇䝖䞊䝹ึᮇタᐃ䛿䚸/usr/lib/systemd/system

16. systemd
● 䝁䝬䞁䝗
○ systemctl 䜸䝥䝅䝵䞁 Unitྡ
○ ᚑ᮶䛸ྠ䛨service䜒౑⏝䛷䛝䜎䛩䚹
● 䝃䞊䝡䝇䝥䝻䝉䝇䛾㉳ື䛸೵Ṇ
○ Unit䛾ᣑᙇᏊ䛿䚸䛂.service䛃
○ sytemctl [start/stop/restart] Unitྡ
○ reload䜸䝥䝅䝵䞁䛿Unit䛻ᐃ⩏䛥䜜䛶䛔䜛ሙྜ䛾䜏
● Unitタᐃ䛾ኚ᭦
○ Unitタᐃ䜢ኚ᭦䛧䛯᫬䛿䚸systemd䜈཯ᫎ䛥䛫䜎䛩䚹
○ systemctl daemon-reload
● 䝥䝻䝉䝇䛾≧ែ☜ㄆ
○ systemctl status Unitྡ

17. systemd
● ⮬ື㉳ື䛾タᐃ
○ systemctl [enable/disable] Unitྡ
○ Unit䛾㐃ᦠ䠄౫Ꮡ䠅タᐃ䛜ኚ᭦䛥䜜䜎䛩䚹
○ Unitタᐃ䝣䜯䜲䝹䛷ᣦᐃ䛧䛯䛂WantedBy=䛃䝕䜱䝺䜽䝖䝸
䜈䛾䝅䞁䝪䝸䝑䜽䝸䞁䜽
● Wants
○ 㐃ᦠ䠄౫Ꮡ䠅䛩䜛Unit䜢タᐃ䛧䜎䛩䚹
○ Unitタᐃ䝣䜯䜲䝹䛾䛂Wants=䛃
○ 䝕䜱䝺䜽䝖䝸䛂Unitྡ.wants䛃䜈䝅䞁䝪䝸䝑䜽䝸䞁䜽䜢సᡂ
● Requires
○ Wants䛿Unit㛫䛾ྠ᫬㉳ື䛜ኻᩋ䛧䛶䜒෌ᐇ⾜䛧䜎䛩䚹
○ Requires䛿Unit㛫䛾ྠ᫬㉳ື䛜ኻᩋ䛧䛯䜙⤊஢䛧䜎
䛩䚹

18. systemd
● ⮬ື㉳ື䛾☜ㄆ
○ systemctl list-unit-files --type=service
○ enabled䚷→䚷䛂Wants=䛃グ㍕䛒䜚䚸᭷ຠ
○ disabled䚷→䚷䛂Wants=䛃グ㍕䛒䜚䚸↓ຠ
○ static䚷→䚷䛂Wants=䛃グ㍕↓䛧
● ⌧ᅾ䛾Unit≧ែ䛾☜ㄆ
○ systemctl list-units --type=service
○ list-units䜸䝥䝅䝵䞁䜢┬␎ฟ᮶䜛䚹
● Unit䛾㐃ᦠ㛵ಀ䛾☜ㄆ
○ systemctl list-dependencies
○ 䝒䝸䞊⾲♧䛷㐃ᦠ䠄౫Ꮡ䛸㉳ື㡰䠅㛵ಀ䜢⾲♧䛩䜛䚹

19. systemd
● target
○ 」ᩘ䛾Unit䜢䜎䛸䜑䛶䚸䜾䝹䞊䝥໬䛷䛝䜛䚹
○ Unit䛾ᣑᙇᏊ䛿䚸䛂.target䛃
○ 㛵ಀ䛩䜛」ᩘ䛾Unit䛾㐃ᦠ䠄౫Ꮡ䛸㉳ື㡰䠅䜢⟶⌮䚹
○ target⮬య䛿ᐇ⾜䛧䛺䛔䚹
○ ᚑ᮶䛾䝷䞁䝺䝧䝹䛜↓䛟䛺䜚䚸Unit䛾target䛻ኚ䜟䜚䜎䛧
䛯䚹
○ ᚑ᮶䛾䝷䞁䝺䝧䝹0䛛䜙6䛸㐪䛔䚸⮬⏤䛻タᐃฟ᮶䜛䚹
● 䝅䝇䝔䝮䛾㉳ື≧ែ䛾ኚ᭦᪉ἲ
○ /etc/systemd/system/default.target
○ 䝅䞁䝪䝸䝑䜽䝸䞁䜽ඛ䜢ኚ᭦䛩䜛䛣䛸䛷䚸䝷䞁䝺䝧䝹┦ᙜ
䜢ᐇ⌧䛧䛶䛔䜎䛩䚹

20. systemd
● ᚑ᮶䛾䝷䞁䝺䝧䝹䛸䛾ᑐẚ
○ runlevel0䛛䜙runlevel6䛾䝅䞁䝪䝸䝑䜽䝸䞁䜽䜒䛒䜛䚹
ᚑ᮶䛾䝷䞁䝺䝧䝹 target䝣䜯䜲䝹ྡ ≧ែෆᐜ
runlevel 䠌 poweroff.target ೵Ṇ
runlevel 1 rescue.target 䝅䞁䜾䝹䝴䞊䝄䞊䝰䞊䝗
runlevel 2 multi-user.target 䝬䝹䝏䝴䞊䝄䞊䝰䞊䝗
runlevel 3 multi-user.target 䝬䝹䝏䝴䞊䝄䞊䝰䞊䝗
runlevel 4 multi-user.target 䝬䝹䝏䝴䞊䝄䞊䝰䞊䝗
runlevel 5 graphical.target GUI䝬䝹䝏䝴䞊䝄䞊䝰䞊䝗
runlevel 6 reboot.target ෌㉳ື

21. systemd
● 䛭䛾௚䛾Unit
○ 䛂service䛃䛂target䛃䛾௚䛻䜒Unit䛾✀㢮䛜䛒䜚䜎䛩䚹
● mount, swap
○ /etc/fstab䛛䜙⮬ືసᡂ䛥䜜䜎䛩䚹
● device
○ 䝕䝞䜲䝇䛜ㄆ㆑䛩䜛䛸⮬ືసᡂ䛥䜜䜎䛩䚹
● path
○ 䝟䝇䜢┘ど䛧䛶䚸䝣䜯䜲䝹䛻ᛂ䛨䛶䝃䞊䝡䝇䜢㉳ື䚹
● socket
○ 䝋䜿䝑䝖䜢┘ど䛧䛶䚸᥋⥆䛻ᛂ䛨䛶䝃䞊䝡䝇䜢㉳ື䚹

22. NetworkManager
● 䝛䝑䝖䝽䞊䜽䝕䝞䜲䝇タᐃ
○ /etc/sysconfig/network-scipts/䛻䛒䜛タᐃ䝣䜯䜲䝹䜢┤
᥋⦅㞟䛩䜛䛾䛷䛿䛺䛟䚸NetworkManager䜢౑⏝䛩䜛䚹
○ ᚑ᮶䛾タᐃ䝣䜯䜲䝹䜒฼⏝䛷䛝䜛䚹
○ Ethernet䜲䞁䝍䞊䝣䜵䞊䝇䛿ᶆ‽䛷䛿↓ຠ䛻䛺䛳䛶䛔
䜛䚹
● NetworkManager䝣䝻䞁䝖䜶䞁䝗
○ GUI䛾GNOME⎔ቃ䛷᧯స䛧䜎䛩䚹
● nmtui
○ 䝔䜻䝇䝖⏬㠃䛷ᑐヰⓗ䛻䝛䝑䝖䝽䞊䜽タᐃ䛧䜎䛩䚹

23. NetworkManager
● nmcli
○ 䝁䝬䞁䝗䝷䜲䞁䛷䝛䝑䝖䝽䞊䜽タᐃ䛧䜎䛩䚹
○ 䝃䞊䝞䞊⟶⌮⪅ྥ䛡䛻䚸䛣䛣䛷䛿nmcli䜢Ꮫ⩦䛧䜎䛩䚹
● 䝩䝇䝖ྡ䛾ኚ᭦
○ nmcli general hostname 䝩䝇䝖ྡ
○ bmcli g ho 䝩䝇䝖ྡ 䛸┬␎䛷䛝䜛䚹
○ /etc/hostname䝣䜯䜲䝹䛻タᐃ䛥䜜䜛䚹

24. NetworkManager
● nmcli device
○ ≀⌮䝕䝞䜲䝇䛾⟶⌮
● 䝕䝞䜲䝇䛾୍ぴ
○ nmcli device
○ nmcli d 䛸┬␎ฟ᮶䜛䚹
● 䝕䝞䜲䝇䛾ヲ⣽
○ nmcli device show 䝕䝞䜲䝇ྡ
○ nmcli d s 䛸┬␎ฟ᮶䜛䚹

25. NetworkManager
● nmcli connection
○ ᥋⥆タᐃ䛾⟶⌮
● ᥋⥆≧ἣ䛾୍ぴ
○ nmcli connection
○ nmcli c 䛸┬␎䛷䛝䜛䚹
○ nmcli --fields 㡯┠ connection 䛷᳨⣴⾲♧䜒ฟ᮶䜛䚹
● ᥋⥆䛾ヲ⣽
○ nmcli connection show ྡ๓䜒䛧䛟䛿UUID
○ nmcli c s ྡ๓䜒䛧䛟䛿UUID䚷䛸┬␎䛷䛝䜛䚹
○ ྡ๓䛻䝇䝨䞊䝇䛜䛒䜛䛸䛝䛿䚸䛂”䛃䝎䝤䝹䜽䜷䞊䝔䞊䝅䝵
䞁䛷ᅖ䜣䛷ᣦᐃ䛩䜛䚹
○ nmcli c s “Wired connection 1”

26. NetworkManager
● ᥋⥆䛾᭷ຠ໬
○ nmcli connection up ྡ๓䜒䛧䛟䛿UUID
● ᥋⥆䛾↓ຠ໬
○ nmcli connection down ྡ๓䜒䛧䛟䛿UUID
● ᥋⥆䛾ືస☜ㄆ
○ nmcli c s ྡ๓䜒䛧䛟䛿UUID 䛷IP䜰䝗䝺䝇䜢☜ㄆ
○ ping 䛷␯㏻䜢☜ㄆ
○ nmcli c d ྡ๓䜒䛧䛟䛿UUID 䛷↓ຠ໬
○ ping 䛷␯㏻ฟ᮶䛺䛔䛾䜢☜ㄆ
○ nmcli c u ྡ๓䜒䛧䛟䛿UUID 䛷᭷ຠ໬
○ ping 䛷␯㏻䜢☜ㄆ

27. NetworkManager
● タᐃ䛾ኚ᭦
○ nmcli connection modify ྡ๓ 㡯┠ タᐃ್
○ nmcli c m 䛸┬␎䛷䛝䜛䚹
● IP䜰䝗䝺䝇䛸䝀䞊䝖䜴䜵䜲䛾ኚ᭦
○ DHCP䜢ᡭືタᐃ䜈ኚ᭦䛧䜎䛩䚹
○ nmcli c m ྡ๓ ipv4.method manual
○ nmcli c m ྡ๓ ipv4.addresses "IP䜰䝗䝺䝇/䝛䝑䝖䝬䝇
䜽 䝀䞊䝖䜴䜵䜲"
○ タᐃኚ᭦䛧䛯䛰䛡䛷䛿䚸タᐃ್䛿᭷ຠ䛻䛺䜙䛺䛔䚹
○ ᥋⥆䜢down/up䛧䛯ᚋ䛷タᐃ್䛜᭷ຠ䛻䛺䜛䚹

28. NetworkManager
● DNS䛾ኚ᭦
○ nmcli c m ྡ๓ ipv4.dns "DNS䝃䞊䝞䞊䛾IP䜰䝗䝺䝇"
● タᐃ್䛾㏣ຍ䛸๐㝖
○ ᪤Ꮡ䛾್䛻㏣ຍ䛩䜛ሙྜ䛿䚸㡯┠ྡ䛾๓䛻䛂䠇䛃䜢௜䛡
䜛䚹
○ ᪤Ꮡ䛾್䛛䜙๐㝖䛩䜛ሙྜ䛿䚸㡯┠ྡ䛾๓䛻䛂䞊䛃䜢௜
䛡䜛䚹
○ nmcli c m ྡ๓ +㡯┠ྡ ್
○ nmcli c m ྡ๓ -㡯┠ྡ ್
● DHCP䛾タᐃ
○ nmcli c m ྡ๓ ipv4.method auto

29. iproute2
● 䝛䝑䝖䝽䞊䜽タᐃ䝁䝬䞁䝗䛾ኚ᭦
○ 䝕䝞䜲䝇ྡ䛜䛂eth␒ྕ䛃䛛䜙䛂enྡ⛠䛃䜈ኚ᭦䛻䛺䜚䜎䛧
䛯䚹
○ ᚑ᮶䛾ifconfig,route,arp,netstat䝁䝬䞁䝗䛿㠀᥎ዡ䚹
○ ᶆ‽䛷䛿౑⏝䛷䛝䜎䛫䜣䚹
○ ู㏵䚸net-tools䝟䝑䜿䞊䝆䜢䜲䞁䝇䝖䞊䝹䛩䜜䜀౑⏝ฟ
᮶䜎䛩䚹
○ yum install net-tools
○ ᪂䛧䛔iproute2䝟䝑䜿䞊䝆䛾䝁䝬䞁䝗䜢᥎ዡ䛧䜎䛩䚹
○ ྂ䛔䝁䝬䞁䝗䛿ᛀ䜜䛶᪂䛧䛔䝁䝬䞁䝗䜢Ꮫ⩦䛧䜎䛧䜗䛖䚹

30. iproute2
● ip addr show
○ ipconfig䛻┦ᙜ䛩䜛䝁䝬䞁䝗䚹
○ 䝕䝞䜲䝇䛾䜰䝗䝺䝇䜢⾲♧䛩䜛䚹
○ ฎ⌮䝟䜿䝑䝖䛾⤫ィ䛿⾲♧䛥䜜䛺䛔䚹
● ip -s link
○ ipconfig䛻┦ᙜ䛩䜛䝁䝬䞁䝗䚹
○ ᥋⥆䛾ฎ⌮䝟䜿䝑䝖䛾⤫ィ䜢⾲♧䛩䜛䚹
● ip route
○ route䛻┦ᙜ䛩䜛䝁䝬䞁䝗䚹
○ 䝹䞊䝔䜱䞁䜾䝔䞊䝤䝹䜢⾲♧䛩䜛䚹

31. iproute2
● ip neigh
○ arp䛻┦ᙜ䛩䜛䝁䝬䞁䝗䚹
○ 䝕䝞䜲䝇䛾Mac䜰䝗䝺䝇䜢⾲♧䛩䜛䚹
● ip䝁䝬䞁䝗
○ ྛ䝛䝑䝖䝽䞊䜽タᐃ䜢ኚ᭦䛩䜛䛣䛸䛜ฟ᮶䜎䛩䚹
○ 䝕䝞䜲䝇䜢down/up䛩䜛஦↓䛟䚸タᐃ䛿༶཯ᫎ䛧䜎䛩䚹
○ タᐃ್䛿ಖᏑ䛥䜜䜎䛫䜣䚹
● ss
○ netstat䛻┦ᙜ䛩䜛䝁䝬䞁䝗䚹
○ 䝃䞊䝡䝇䛾౑⏝≧ἣ䜢⾲♧䛩䜛䚹