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kana321 id:kana321

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2015å¹´åº¦ã®è‡ªå®…NASç’°å¢ƒ
1. 2015å¹´åº¦ã® è‡ªå®…NASç’°å¢ƒ ROOT ON DM-CACHE ON LVM ON DM-CRYPT ON MD(RAID1)ã‚’NATIVE UEFI ç’°å¢ƒã§ã‚»ãƒƒãƒˆã‚¢ãƒƒãƒ— ã—ã¦ã¿ãŸ Hiroaki Mizuguchi Twitter: @m_akihiro 2. AGENDA åˆã‚ã« UEFIãƒã‚¤ãƒ†ã‚£ãƒ–ãªãƒ–ãƒ¼ãƒˆç’°å¢ƒã«ã¤ã„ã¦ â€¢ Debian jessieã‚’é¸ã‚“ã ç†ç”± â€¢ UEFIç’°å¢ƒã§ã®dm-cache/LVM/dm-crypt/RAID1ãªdebian install bootloaderã®å†—é•·åŒ–ã«ã¤ã„ã¦ â€¢ Gummibootã¨å†—é•·åŒ– Initramfs å›žã‚Šã«ã¤ã„ã¦ â€¢ Cryptsetup(DM-Crypt)ã®rootãƒ‡ã‚£ã‚¹ã‚¯æš—å·åŒ– â€¢ /ã«å¯¾ã™ã‚‹dm-cacheã®æœ‰åŠ¹åŒ– ã“ã‚Œã‹ã‚‰ 3. åˆã‚ã« è‡ªå®…NASã®æ§‹æˆå¤‰æ›´ã‚’ã—ãŸã„ã€‚ â€¢ dm-cryptã‚’ä½¿ã£ã¦ãƒ‡ã‚£ã‚¹ã‚¯å…¨ä½“ã‚’æš—å·
kana321 2015/02/15
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nas

debian

linux

security

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dm-crypt

slideshare
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RHEL, CentOS 7 ã«ç§»è¡Œã—ã‚ˆã†ï¼ LT
2. ã‚ãŸã—ã¯ã ã‚Œï¼Ÿ â€¢â€¯ å²©å°¾ ã¯ã‚‹ã‹ (@Yuryu) â€¢â€¯ ãƒ¬ãƒƒãƒ‰ãƒãƒƒãƒˆã§åƒã„ã¦ã„ã¾ã™ â€“â€¯ã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸(Ceph, GlusterFS)ãŒå°‚é–€ â€“â€¯ä»Šå›žã®ç™ºè¡¨ã¯ä¼šç¤¾ã®è¦‹è§£ã§ã¯ã‚ã‚Šã¾ã›ã‚“ â€¢â€¯ Final Fantasy XIV ãƒ—ãƒ¬ã‚¤ãƒ¤ãƒ¼ â€“â€¯Carbuncle ã‚µãƒ¼ãƒãƒ¼ã€å¦ãƒ¡ã‚¤ãƒ³ â€“â€¯ãƒãƒçœŸæˆç·¨4å±¤ã‚’ã‚¯ãƒªã‚¢ã—ã¾ã—ãŸ â€¢â€¯ Ingress ç·‘ã‚¨ãƒ¼ã‚¸ã‚§ãƒ³ãƒˆ(A11) 3. Linuxã‚«ãƒ¼ãƒãƒ«æœ¬(å®£ä¼) â€¢â€¯ â€œLinux Kernel Updatesâ€ â€¢â€¯ æœ€æ–°åˆŠ â€“â€¯OOM Killerç‰¹é›† â€“â€¯ã‚¸ãƒ¥ãƒ³ã‚¯å ‚æ± è¢‹åº—ã§è²·ãˆ ã¾ã™ï¼ â€¢â€¯ æ—¢åˆŠ â€“â€¯Docker, TCP/IPç‰¹é›†ãªã© â€“â€¯Kindleç‰ˆå£²ã£ã¦ã¾ã™ 6. è«¸è¡Œç„¡å¸¸ OS EOL(äºˆå®š) ç§ã®æº€å¹´é½¢ Ubuntu 10.04 LTS 2015å¹´4æœˆ 31 Windows Server 2003 2015å¹´7æœˆ 31 RHE
kana321 2015/01/15
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mTCP enables high-performance userspace TCP/IP stacks by bypassing the kernel and reducing system call overhead. It was shown to achieve up to 25x higher throughput than Linux for short flows. The document discusses porting the iperf benchmark to use mTCP, which required only minor changes. Performance tests found that mTCP-ified iperf achieved similar throughput as Linux iperf for different packe
kana321 2015/01/01
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performance

network

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kernel

linux

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1. http://gauc.no-ip.org/awk-users-jp/æ—¥æœ¬ GNU AWK ãƒ¦ãƒ¼ã‚¶ãƒ¼ä¼š æ–‰è—¤ @hi_saito - 1 - 2014 å¹´ 12 æœˆ 13, 14 æ—¥ ã‚·ã‚§ãƒ«ã‚¹ã‚¯ãƒªãƒ—ãƒˆãƒ¯ãƒ¼ã‚¯ã‚·ãƒ§ãƒƒãƒ— @é³¥å–ç’°å¢ƒå¤§å¦ jus å‹‰å¼·ä¼š ã‚·ã‚§ãƒ«ã‚¹ã‚¯ãƒªãƒ—ãƒˆãƒ¯ãƒ¼ã‚¯ã‚·ãƒ§ãƒƒãƒ— åˆå¿ƒè€…å‘ã‘ã€Œã‚·ã‚§ãƒ«èŠ¸ã€ æ—¥æœ¬ GNU AWK ãƒ¦ãƒ¼ã‚¶ãƒ¼ä¼š æ–‰è—¤ åšæ–‡ 2. http://gauc.no-ip.org/awk-users-jp/æ—¥æœ¬ GNU AWK ãƒ¦ãƒ¼ã‚¶ãƒ¼ä¼š æ–‰è—¤ @hi_saito - 2 - 2014 å¹´ 12 æœˆ 13, 14 æ—¥ ã‚·ã‚§ãƒ«ã‚¹ã‚¯ãƒªãƒ—ãƒˆãƒ¯ãƒ¼ã‚¯ã‚·ãƒ§ãƒƒãƒ— @é³¥å–ç’°å¢ƒå¤§å¦ ã¯ã˜ã‚ã« 3. è‡ªå·±ç´¹ä»‹ ï® ã€Œæ—¥æœ¬ GNU AWK ãƒ¦ãƒ¼ã‚¶ãƒ¼ä¼šã€ä¼šé•· ïƒ˜ http://gauc.no-ip.org/awk-users-jp/ ïƒ˜ hi_sai [email protected] ïƒ˜ @hi
kana321 2014/12/30
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2. rcu read lock receive_queue lock nf_hooks nf_iterate rcu read lock tcp_rcv_established tcp_v4_do_rcv nf_hook_slow nf_hook_thresh ___napi_schedule __napi_schedule e1000_intr handle_irq do_IRQ common_interrupt interrupt get_rps_cpu sock_queue_rcv_skb ip_queue_rcv_skb __udp_queue_rcv_skb udp_queue_rcv_skb __udp4_lib_rcv ip_local_deliver_finish NF_HOOK ip_defrag ip_rcv_finish NF_HOOK ip_rcv __netif
kana321 2014/09/29
Ethernetã®å—ä¿¡å‡¦ç†

network

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Linux

NET
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Linuxã®ãƒ—ãƒã‚»ã‚¹ã‚¹ã‚±ã‚¸ãƒ¥ãƒ¼ãƒ©(Reading the Linux process scheduler)
1. Linuxã®ãƒ—ãƒã‚»ã‚¹ã‚¹ã‚±ã‚¸ãƒ¥ãƒ¼ãƒ© (Reading the Linux process scheduler) Copyright Hitachi Ltd. 2014. All rights reserved. æ—¥ç«‹è£½ä½œæ‰€ æ¨ªæµœç ”ç©¶æ‰€ è±Šå²¡ æ‹“ (hiraku.toyooka.gu@hitachi.com) ! Linux 3.15.0ç‰ˆ 2. ãƒ—ãƒã‚»ã‚¹ã‚¹ã‚±ã‚¸ãƒ¥ãƒ¼ãƒ©ã«é–¢ã™ ã‚‹ãƒˆãƒ”ãƒƒã‚¯ã®å…¨ä½“åƒ ãƒ—ãƒã‚»ã‚¹ã‚¹ã‚±ã‚¸ãƒ¥ãƒ¼ãƒ© ã‚¹ã‚±ã‚¸ãƒ¥ãƒ¼ãƒªãƒ³ã‚°ãƒ»ã‚¯ãƒ©ã‚¹ CFS Real-time Copyright Hitachi Ltd. 2014. All rights reserved. Dead-line ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚¹ã‚°ãƒ«ãƒ¼ãƒ—ãƒ» ã‚¹ã‚±ã‚¸ãƒ¥ãƒ¼ãƒªãƒ³ã‚° ã‚«ãƒ¼ãƒãƒ«å†… ãƒ—ãƒªã‚¨ãƒ³ãƒ—ã‚·ãƒ§ãƒ³ stop idle çœé›»åŠ› å‰²ã‚Šè¾¼ã¿, ã‚¹ãƒ”ãƒ³ãƒãƒƒã‚¯ ãƒ—ãƒã‚»ã‚¹/ã‚¹ãƒ¬ãƒƒãƒ‰, æ™‚é–“ç®¡ç†, é«˜ç²¾åº¦ã‚¿ã‚¤ãƒž, tickç®¡ç†, etc..
kana321 2014/09/29
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linux

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