2015-09-28 20:31:53 +00:00
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# Système d'exploitation vs. hyperviseur
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2015-09-28 00:23:15 +00:00
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## Est-ce bien nécessaire ...
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### ... un noyau ?
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2015-09-29 19:34:30 +00:00
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2015-09-28 00:23:15 +00:00
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### ... le temps de boot ?
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2015-09-30 03:05:14 +00:00
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2015-09-28 20:31:53 +00:00
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2015-09-28 00:23:15 +00:00
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. . .
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2015-10-01 02:45:48 +00:00
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<https://0xax.gitbooks.io/linux-insides/content/>
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2015-09-28 20:31:53 +00:00
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2015-09-28 00:23:15 +00:00
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### ... le système de fichiers ?
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2015-09-30 03:05:14 +00:00
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```
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PATH FILESYSTEM
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/ /dev/sda2
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├── bin
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├── boot /dev/sda1
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├── etc
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├── dev
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├── home /dev/sda3
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├── lib
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├── proc
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├── root
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├── sbin
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├── sys
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├── tmp tmpfs
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├── usr
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│ ├── bin
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│ ├── lib
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│ └── share
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└── var
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├── cache
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├── lib
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├── log
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└── tmp
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```
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2015-09-28 00:23:15 +00:00
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2015-09-28 20:31:53 +00:00
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### ... d'isoler ?
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2015-09-28 00:23:15 +00:00
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2015-09-30 03:05:14 +00:00
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> * Sécurité (root, exploit, ...) ;
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2015-09-28 20:31:53 +00:00
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> * prévention des dénis de service :
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> ```sh
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> 42sh$ while true; do mkdir x; cd x; done
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> ```
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2015-10-01 02:45:48 +00:00
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> * limitation des ressources ;
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2015-09-30 03:05:14 +00:00
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> * partage du temps de calcul ;
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> * abstraction des ports réseau.
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2015-09-28 00:23:15 +00:00
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2015-09-29 19:34:30 +00:00
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## Les techniques d'isolation
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2015-09-28 00:23:15 +00:00
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2015-09-30 03:05:14 +00:00
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----
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2015-09-29 19:34:30 +00:00
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> * `chroot`
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> * Virtualisation et paravirtualisation
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2015-09-28 20:31:53 +00:00
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2015-09-28 00:23:15 +00:00
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### Mais ...
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2015-10-01 02:45:48 +00:00
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. . .
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2015-09-30 03:05:14 +00:00
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