OS入門 Fukuoka.php vol.18 LT資料

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This document discusses operating systems and their history. It covers the core components of an operating system including the CPU, memory, files, and network. A brief history of UNIX operating systems is provided starting from the 1960s. Process scheduling and memory management are examined in terms of how operating systems allocate resources and swap memory contents between storage.

Technology

OPERATING SYSTEM
▸ CPU
▸ Memory
▸ File
▸ Network

UNIX OS HISTORY
▸ 1965 Multics (MIT)
▸
▸ 1969 Unix (AT&T Bell Lab)
▸ C TCP/IP
▸ SunOS, Mac OSX
▸ 1991 Linux

MEMORY MANAGEMENT
A
 
9000
1000 SWAP
HDD
9000

Doing backups is great, but storing the data somewhere is a whole different ballgame. You can use tapes, of course; but with always declining prices and increasing reliability of Hard Disks storing all your data as files is becoming more and more preferable. There is just the matter on how to save them. As single files in a single filesystem, shared across a multitude of servers or even in one large archive. The option is only limited by the Administrators imagination. In my speech I want to tell you about my experiences with storing all archives in ZFS. Opting for one-dataset-per-host, server-side compression, ZFS Raid and quota enforcement. And since we are all loving the fully automated approach I will show you how to do this in puppet. This option I am presenting you is in production. Hundreds of servers are fully automated with Puppet, Bareos/Bacula and ZFS.

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Abstract Explanation and use of QEMU user mode on FreeBSD in tandem with binmiscctl tools to create and manipulate arbitrary hardware architecture jails on AMD64/i386. Detailed setup of tools and use for creating and maintaining ports packages, initial prototype of disk images and testing of concepts on architectures without having real hardware in play. Examples of MIPS and ARM execution for the crowd and demonstration of setup and configuration on AMD64 hardware. Display use of poudriere to build PKG style repos for these architectures. Simple how with regards to rapid prototyping of compressed flash images to assist in the propagation of FreeBSD on other platforms. Speaker bio Sean Bruno is FreeBSD src committer, ports maintainer and member of the cluster administration team. He is the lead mirror manager interacting with external organizations in the installation of new style PKG and SVN mirrors around the world. Living in the San Francisco, CA, USA area, with his family, Sean is a FreeBSD developer working on several projects for various employers. Sean enjoys spinning records and has a shoutcast show on Radio KoL twice a week.

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