[B! linux] yukinarian0ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

yukinarian0 id:yukinarian0

linuxã«é–¢ã™ã‚‹yukinarian0ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (6)

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ãƒªãƒ¢ãƒ¼ãƒˆã®ãƒžã‚·ãƒ³ã§ã€iptablesã§ãªã‚“ã‹ã„ã˜ã‚‹å‰ã«ä¿é™ºã‚’ã‹ã‘ã¦ãŠã - ï¼ˆã²ï¼‰ãƒ¡ãƒ¢
#!/bin/sh # ä¿é™ºã‚’ã‹ã‘ã‚‹ # echo '/root/clear-iptab' | at now + 3min # ã¨ã‹ # echo '/root/clear-iptab' | at 13:00 # ã§ã€‚ # # ãã—ãŸã‚‰ iptables ã§ãªã‚“ã‹ã„ã˜ã£ã¦ã€ # iptables ... (as you like) # æˆåŠŸã—ãŸã‚‰ at ã® job ã‚’å‰Šé™¤ã—ã¦ãŠã‚ã‚Šã€‚ # atq # atrm N # å¤±æ•—ã—ãŸã‚‰æ£åº§ã—ã¦ç¥ˆã‚‹ã€‚ iptables -F iptables -X iptables -Z iptables -P INPUT ACCEPT iptables -P OUTPUT ACCEPT iptables -P FORWARD ACCEPT è¿½è¨˜: 2010-01-09 http://ya.maya.st/d/201001a.html#s20100107_1 ã§è¨€
yukinarian0 2010/01/07
ç›®ã‹ã‚‰é±—

linux
ãƒªãƒ³ã‚¯
ã‚½ãƒ¼ã‚¹ã‹ã‚‰è‡ªå‰ãƒ“ãƒ«ãƒ‰ã—ãŸã‚½ãƒ•ãƒˆã‚¦ã‚¨ã‚¢ã®åŠ¹çŽ‡çš„ãªç®¡ç†æ–¹æ³• - ï¼ˆã²ï¼‰ãƒ¡ãƒ¢
ã¼ãã¯é•·å¹´ã“ã†ã„ã†æ–¹æ³•ã§ç®¡ç†ã—ã¦ã¾ã™ã‚ˆã€ã¨ã„ã†ãŠè©±ã§ã™ã€‚Linuxã§ã™ã€‚ ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªãƒ¬ã‚¤ã‚¢ã‚¦ãƒˆæ¦‚è¦³ ãŸã¨ãˆã°ã€asoã¨bmdã¨ã„ã†åå‰ã®ã‚½ãƒ•ãƒˆã‚¦ã‚¨ã‚¢ã‚’ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã—ã¦ã„ã‚‹çŠ¶æ…‹ã¯ã“ã‚“ãªæ„Ÿã˜: /usr/local/ â”¬ app/ â”¬ aso â†’ aso-1.3 â”‚ â”œ aso-1.2/ â”¬ bin/ â”¬ armored â”‚ â”‚ â”‚ â”” scrum â”‚ â”‚ â”œ sbin/ â”€ syd â”‚ â”‚ â”” share/ â”€ man/ â”‚ â”œ aso-1.3/ â”¬ bin/ â”¬ armored â”‚ â”‚ â”‚ â”” scrum â”‚ â”‚ â”œ sbin/ â”€ syd â”‚ â”‚ â”” share/ â”€ man/ â”‚ â”œ bmd â†’ bmd-2.0 â”‚ â”” bmd-2.0/ â”¬ bin/ â”€ tri â”‚ â”œ include/ â”€ angle.h â”‚ â”” lib/libsnk.so.2.0.0 â”œ bin/ â”¬ armor
yukinarian0 2009/12/21
Linux
ãƒªãƒ³ã‚¯
lsyncdã‚’ã¤ã‹ã£ã¦ç°¡å˜ã«ãƒ•ã‚¡ã‚¤ãƒ«åŒæœŸã‚’ - UNIXçš„ãªã‚¢ãƒ¬
lsyncdã¨ã„ã†ãƒ„ãƒ¼ãƒ«ã‚’ã”å˜ã˜ã§ã—ã‚‡ã†ã‹ï¼Ÿã“ã‚Œã‚’å°Žå…¥ã™ã‚‹ã“ã¨ã§ã€ãƒªãƒ¢ãƒ¼ãƒˆã®ãƒ›ã‚¹ãƒˆã¨ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªå˜ä½ã§åŒæœŸã‚’ã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ å…ˆæ—¥ã®ã‚¨ãƒ³ãƒˆãƒªãƒ¼ã§ã‚‚ç´¹ä»‹ã—ã¦ã„ã¾ã™ãŒã€å®Ÿã¯è¨å®šã‚„å°Žå…¥ãŒã™ã”ãç°¡å˜ã§ã™ã€‚ã—ãŸè¨å®šã§ãƒªãƒ¢ãƒ¼ãƒˆé–“ã§ãƒ•ã‚¡ã‚¤ãƒ«ã®åŒæœŸã‚’ã¨ã‚Œã‚‹ã®ã¯ã‚„ã¯ã‚Šä¾¿åˆ©ã§ã™ã‚ˆãã€‚ ã•ã¦ã€ä»Šå›žã¯lsyncdã®ç°¡å˜ãªå°Žå…¥æ–¹æ³•ã‚’ç´¹ä»‹ã—ãŸã„ã¨æ€ã„ã¾ã™ã€‚ lsyncdã®ä»•çµ„ã¿ lsyncdã¯linux kernel2.6.13ã§å°Žå…¥ã•ã‚ŒãŸã€inotifyã¨ã„ã†APIã‚’ã¤ã‹ã£ã¦å‹•ä½œã—ã¦ã„ã¾ã™ã€‚ inotifyã¯ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã®ã‚¤ãƒ™ãƒ³ãƒˆã‚’å–å¾—ã™ã‚‹ã“ã¨ãŒã§ãã‚‹APIã§ã€ãƒ•ã‚¡ã‚¤ãƒ«ã®ä½œæˆã‚„å‰Šé™¤ãªã©ã‚’ãã‚Œãžã‚Œã‚¤ãƒ™ãƒ³ãƒˆã¨ã—ã¦å–å¾—ã‚’ã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ ã“ã®ä»•çµ„ã¿ã¨ã€rsyncã‚’çµ„ã¿åˆã‚ã›ã¦ãƒ•ã‚¡ã‚¤ãƒ«ã®åŒæœŸã‚’è¡Œã†ã“ã¨ã‚’å®Ÿç¾ã—ã¦ã„ã¾ã™ã€‚ lsyncdã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ« ã¾ãšã€ä»¥ä¸‹ã®ãƒšãƒ¼ã‚¸ã‹ã‚‰sourceã‚’ãƒ€ã‚¦ãƒ³ãƒãƒ¼ãƒ‰ã—ã¦ãã ã•ã„ã€‚
yukinarian0 2009/09/14
linux

lsyncd
ãƒªãƒ³ã‚¯
SSDã‚’ã‚ãã‚‹è°è«–ã«æµ®ã‹ã³ä¸ŠãŒã‚‹ãƒ™ãƒ³ãƒ€æ¨¡æ§˜ï¼ˆ1/2ï¼‰ ï¼ ï¼ IT
8æœˆç‰ˆã€€SSDã‚’ã‚ãã‚‹è°è«–ã«æµ®ã‹ã³ä¸ŠãŒã‚‹ãƒ™ãƒ³ãƒ€æ¨¡æ§˜ å°å´Žè³‡åºƒ 2009/9/8 ãŠä¹…ã—ã¶ã‚Šã§ã™ã€‚å…ˆæœˆã¯ã€Œã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£ï¼†ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã‚ãƒ£ãƒ³ãƒ—2009ã€ã®æº–å‚™ãŒã‚ã¾ã‚Šã«ã‚‚å¿™ã—ãã¦ã€æ€¥ãã‚‡ãŠä¼‘ã¿ã—ã¦ã—ã¾ã£ãŸç†è€…ã§ã™ã€‚ 8æœˆã¯ã€2.6.31ãŒãƒªãƒªãƒ¼ã‚¹é–“è¿‘ãªã“ã¨ã‚‚ã‚ã‚Šã€å®Ÿé¨“çš„ãªãƒ‘ãƒƒãƒã®æŠ•ç¨¿ã¯å°‘ãªã‹ã£ãŸã‚ˆã†ã«æ€ã„ã¾ã™ã€‚å”¯ä¸€ã€Jens Axboeï¼ˆblockãƒ¬ã‚¤ãƒ¤ã®ãƒ¡ãƒ³ãƒ†ãƒŠï¼‰ã«ã‚ˆã‚‹çŸ¢ç¶™ãŽæ—©ã®è¶…å¤§åž‹ãƒ‘ãƒƒãƒã®æŠ•ç¨¿ãŒç›®ç«‹ã£ã¦ã„ã¾ã—ãŸãŒã€å¤šãã®é–‹ç™ºè€…ãŒã‚µãƒžãƒ¼ãƒã‚±ãƒ¼ã‚·ãƒ§ãƒ³ä¸ãªã®ã§ã€åå¿œã¯ã‚¤ãƒžã‚¤ãƒã€‚ãã‚“ãªä¸ã€SSDå‘¨ã‚Šã®è°è«–ãŒå¼·çƒˆã«é¢ç™½ã„å±•é–‹ã‚’ã¿ã›ã¦ã„ãŸã®ã§ã€å¤§ããå–ã‚Šä¸Šã’ã¦ã¿ã¾ã—ãŸã€‚æ¥æœˆã¯ã€Jensãƒ‘ãƒƒãƒã‹2.6.31ãƒªãƒªãƒ¼ã‚¹ã®ç‰¹é›†ã«ãªã‚‹äºˆå®šã§ã™ã€‚ ãã‚Œã§ã¯ã€ã©ã†ãžã€‚ æ··è¿·æ·±ã‚ã‚‹discardãƒªã‚¯ã‚¨ã‚¹ãƒˆ â– å…¨é¢æ›¸ãç›´ã—ãŒå¿…è¦ï¼Ÿ 8æœˆ15æ—¥ã€Nitin GuptaãŒswapã‚µãƒ–ã‚·ã‚¹ãƒ†ãƒ ã«æ–°ã—ã„é€šçŸ¥æ©Ÿæ§‹ã®è¿½åŠ ã‚’ææ¡ˆ
yukinarian0 2009/09/09
linux

ssd
ãƒªãƒ³ã‚¯
Storageã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã‚’èª¿ã¹ã‚‰ã‚Œã‚‹ã€IOzone - UNIXçš„ãªã‚¢ãƒ¬
ã‚¹ãƒˆãƒªãƒ¼ãƒŸãƒ³ã‚°é…ä¿¡ã‚„DBã§ã®ä½¿ç”¨æ™‚ãªã©ã€ã‚·ã‚¹ãƒ†ãƒ ã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã‚’è¦‹ãŸéš›ã«StorageãŒãƒœãƒˆãƒ«ãƒãƒƒã‚¯ã«ãªã‚‹ã“ã¨ã¯å¤šã€…ã‚ã‚Šã¾ã™ã€‚ ã¾ãŸStorageã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã¯HDDã®å›žè»¢æ•°ã‚„ã€ãƒ•ã‚¡ã‚¤ãƒ«ã®é…ç½®æ–¹æ³•ã€ã¾ãŸãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ãªã©ã«ã‚‚ä¾å˜ã™ã‚‹ã®ã§ã€å…±é€šã—ãŸãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯ãƒ†ã‚¹ãƒˆãŒå¿…è¦ã«ãªã£ã¦ãã¾ã™ã€‚ è‡ªåˆ†ã§ã€ddã‚³ãƒžãƒ³ãƒ‰ã‚’ä½¿ã£ã¦ä½œæˆã—ã¦ã‚‚è‰¯ã„ã®ã§ã™ãŒä»Šå›žã¯æ‰‹è»½ã«ãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯è©¦é¨“ã‚’è¡Œã†ã“ã¨ãŒã§ãã‚‹ã€IOzoneã‚’ç´¹ä»‹ã—ãŸã„ã¨æ€ã„ã¾ã™ã€‚ IOzoneã‚’ãƒ€ã‚¦ãƒ³ãƒãƒ¼ãƒ‰ã—ã¦ãã‚‹ã€‚ å…¬å¼ã‚µã‚¤ãƒˆã¯ä»¥ä¸‹ã«ãªã‚Šã¾ã™ã€‚ Iozone Filesystem Benchmark ã•ã¦ã“ã“ã‹ã‚‰å–å¾—ã—ã¦ã€ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã‚’ã—ã¾ã—ã‚‡ã†ã€‚ # wget http://www.iozone.org/src/current/iozone3_283.tar # tar xvf iozone3_283.tar # cd iozone3_2
yukinarian0 2008/01/28
infrastructure

linux

storage

performance
ãƒªãƒ³ã‚¯
Linux ä½¿ã„ã®ãŸã‚ã® Windows Vista ã®ã‚³ãƒžãƒ³ãƒ‰ä¸€è¦§ - pyopyopyo - Linuxã¨ã‹ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã®è¦šãˆæ›¸ã -
ã‚³ãƒžãƒ³ãƒ‰ãƒ—ãƒãƒ³ãƒ—ãƒˆ(cmd.exe)ã‚„ï¼Œã‚»ãƒ¼ãƒ•ãƒ¢ãƒ¼ãƒ‰ã§ä½œæ¥ã™ã‚‹éš›ã«è‰¯ãä½¿ã†windowsã®å¤–éƒ¨ã‚³ãƒžãƒ³ãƒ‰ã®ä¸€è¦§ã§ã™ï¼ŽLinuxã®ã‚³ãƒžãƒ³ãƒ‰ã¨å¯¾å¿œã•ã›ã‚‹å½¢ã§ã¾ã¨ã‚ã¦ã¿ã¾ã—ãŸï¼Ž linuxã®ã‚³ãƒžãƒ³ãƒ‰ vistaã®ã‚³ãƒžãƒ³ãƒ‰ ãƒ•ã‚¡ã‚¤ãƒ«ã®ä¸€è¦§ ls dir ãƒ•ã‚¡ã‚¤ãƒ«ã®æ‰€æœ‰è€…ã®ä¸€è¦§ ls -l dir /Q ãƒ•ã‚¡ã‚¤ãƒ«ã®å‰Šé™¤ rm FILE del FILE å¼·åˆ¶å‰Šé™¤ rm -f FILE del /Q FILE ãƒ•ã‚¡ã‚¤ãƒ«ã®ã‚³ãƒ”ãƒ¼ cp FILE FILE copy FILE FILE å¼·åˆ¶ã‚³ãƒ”ãƒ¼ cp -f FILE FILE copy /-Y FILE FILE ãƒ•ã‚¡ã‚¤ãƒ«ã®ç§»å‹• mv FILE FILE move FILE FILE å¼·åˆ¶ç§»å‹• mv -f FILE FILE move /-Y FILE FILE ãƒ•ã‚¡ã‚¤ãƒ«ã®æ‰€æœ‰è€…ã®å¤‰æ›´ chown USER FILE icacls /setowner U
yukinarian0 2008/01/28
ã‚ˆãä½¿ã†ã‚³ãƒžãƒ³ãƒ‰ãƒ¡ãƒ¢ã€‚

linux

windows
ãƒªãƒ³ã‚¯
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