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kyouzont id:kyouzont

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ãƒãƒ–ãƒãƒ–ãƒ©ãƒœ - ROBROB LAB
ã¾ãšã€é€šä¿¡ã‚’TCPã§ã‚„ã‚‹ã‹UDPã§ã‚„ã‚‹ã‹ã€ã¨ã„ã†ã“ã¨ã«ã¤ã„ã¦ã€‚ ä¸€èˆ¬çš„ãªã‚³ãƒˆè¨€ã†ã¨ã€TCPã¯ä¿¡é ¼æ€§ãŒé«˜ãã€UDPã¯ã‚ªãƒ¼ãƒãƒ¼ãƒ˜ãƒƒãƒ‰ãŒå°‘ãªã„ã¨è¨€ã‚ã‚Œã¦ã¾ã™ã€‚ å€‹äººçš„ã«ã¯MMOã§ã‚‚å¤§æŠµã®å ´åˆTCPã§ï¼¯ï¼«ã ã¨æ€ã„ã¾ã™ã€‚ MMOã®å ´åˆã‚·ãƒ§ãƒ¼ãƒˆãƒ‘ã‚±ãƒƒãƒˆã‚’å¤šãé€ä¿¡ã™ã‚‹ã“ã¨ã«ãªã‚ŠãŒã¡ã§ã™ã®ã§ã€ ãƒ˜ãƒƒãƒ€ãŒçŸã„UDPã¯æ£ç›´ã‹ãªã‚Šã®é…åŠ›ã§ã™ã€‚ ã¾ãŸã€UDPã§ã‚‚å†é€ä¿¡æ©Ÿæ§‹ãªã©ä½œã£ã¦ä¿¡é ¼æ€§ã‚’æŒãŸã›ã‚‹ã“ã¨ã‚‚å¯èƒ½ã§ã—ã‚‡ã†ã€‚ ãã‚Œã§ã‚‚ãŠã„ã‚‰ãŒTCPã‚’æŽ¨ã™ç†ç”±ã¯ã€ãƒ¦ãƒ¼ã‚¶ãƒ¼å´ã®è² æ‹…ãŒå°‘ãªã„ã‹ã‚‰ã§ã™ã€‚ TCPã§ã™ã¨ã€ãƒ¦ãƒ¼ã‚¶ãƒ¼å´ã®è² æ‹…ãŒã‹ãªã‚Šä½Žã„ã¨æ€ã„ã¾ã™ã€‚ ãƒ•ã‚¡ã‚¤ã‚¢ãƒ¼ã‚¦ã‚©ãƒ¼ãƒ«ãªã©ã§ã‚ãˆã¦é®æ–ã—ãªã„é™ã‚Šã€å¤§æŠµã‚»ãƒƒã‚·ãƒ§ãƒ³ãŒç¢ºç«‹ã§ãã¾ã™ã€‚ UDPã®å ´åˆã¯ã€UDPãƒ›ãƒ¼ãƒ«ãƒ»ãƒ‘ãƒ³ãƒãƒ³ã‚°ãŒå‹•ä½œã™ã‚Œã°ã€ ãƒ¦ãƒ¼ã‚¶ãƒ¼ãŒä½•ã‚‚è¨å®šã—ãªãã¨ã‚‚ã†ã¾ãå‹•ä½œã™ã‚‹ã‹ã‚‚ã—ã‚Œã¾ã›ã‚“ã€‚ ãã†ã§ãªã‹ã£ãŸå ´åˆã«ã¯UPnPã§ãªã‚“ã¨ã‹ã—ã¦...ã€‚ ãã‚Œã§ã‚‚ãƒ€ãƒ¡ãªã‚‰ã€ãƒ¦ãƒ¼ã‚¶ãƒ¼
kyouzont 2013/08/07
multi thread

server

programming
ãƒªãƒ³ã‚¯
HP ProLiant MicroServerã§NASä½œã‚‹ã‚ˆãƒ¡ãƒ¢ - æ—¥ã€…é‡ç”£
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kyouzont 2013/03/10
RAIDã®è¨å®šç”»é¢ã®å‡ºã—æ–¹ã‚„BIOSã‚¢ãƒƒãƒ—ãƒ‡ãƒ¼ãƒˆã«ã¤ã„ã¦

hp proliant microserver

server

setting

raid
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ã€Žãƒ•ã‚©ãƒˆã‚·ãƒ§ãƒƒãƒ—ãƒ»ãƒ–ã‚¤ã‚¢ã‚¤ãƒ”ãƒ¼ã€ã®æ–°ç€è¨˜äº‹ã§ã™ã€‚ãƒ•ã‚©ãƒˆã‚·ãƒ§ãƒƒãƒ—ã‚„ãƒ‡ã‚¶ã‚¤ãƒ³ã‚’ãŸã®ã—ã‚€ã‚¦ã‚§ãƒ–ã‚µã‚¤ãƒˆã€‚2009å¹´ï¼“æœˆå‰µåˆŠä»¥æ¥ã€3800ã‚’è¶…ãˆã‚‹ã‚³ãƒ³ãƒ†ãƒ³ãƒ„ã‚’æ›´æ–°ã—ã¦ã„ã¾ã™ã€‚ãƒ•ãƒªãƒ¼ãƒ•ã‚©ãƒ³ãƒˆãªã©ã®ç„¡æ–™ãƒ‡ã‚¶ã‚¤ãƒ³ç´ æï¼é…è‰²ã‚„Webåˆ¶ä½œã¨ã„ã£ãŸæœ€æ–°ãƒˆãƒ¬ãƒ³ãƒ‰ã‚‚å…¬é–‹ä¸ã€‚
kyouzont 2013/02/11
nginx

Apache

web

server
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æ ªå¼ä¼šç¤¾ãƒãƒ¼ãƒˆãƒ“ãƒ¼ãƒ„ï½œã‚µãƒ¼ãƒæ§‹ç¯‰ã€ã‚¯ãƒ©ã‚¦ãƒ‰ã€ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£ã«å¼·ã„MSP
é‹ç”¨ç›£è¦–ã‚‚ ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ãŒå¯¾å¿œ ã“ã‚Œã¾ã§ã®çµŒé¨“ã‚’å…ƒã«ã€ãŠå®¢æ§˜ã®æ¥å‹™ã‚’å…¨é¢çš„ã«ã‚µãƒãƒ¼ãƒˆã€‚é‹ç”¨ç›£è¦–ã‚‚ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã«ã‚ˆã‚‹24æ™‚é–“ä½“åˆ¶ã§çŠ¶æ³å¤‰åŒ–ãƒ»éšœå®³ç™ºç”Ÿã‚’æ—©æœŸã«æ¤œçŸ¥ã—ã€å¯¾å¿œã—ã¾ã™ã€‚ å¹…åºƒã„å¯¾å¿œåŠ› æŠ€è¡“æ‹…å½“è€…ãŒä¸åœ¨ã€ã¾ãŸã¯åˆ¥ã®æ¥å‹™ã«å°‚å¿µã—ãŸã„å ´åˆã‚‚ã€ãƒãƒ¼ãƒˆãƒ“ãƒ¼ãƒ„ã®ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ãŒã‚¤ãƒ³ãƒ•ãƒ©ç®¡ç†ã€œã‚³ãƒ³ã‚µãƒ«ãƒ†ã‚£ãƒ³ã‚°ã¾ã§å¯¾å¿œã€ã”è¦æœ›ã«ãŠå¿œãˆã—ã¾ã™ã€‚
kyouzont 2012/06/29
web

server

nginx

reference
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[Fedora] ntpdateå®Ÿè¡Œæ™‚ã«ã€Œno server suitable for synchronization foundã€ã¨ã„ã†ã‚¨ãƒ©ãƒ¼ãŒå‡ºã‚‹ - Life with IT
ntpdateå®Ÿè¡Œæ™‚ã«ã€Œno server suitable for synchronization foundã€ã¨ã„ã†ã‚¨ãƒ©ãƒ¼ãŒå‡ºã‚‹ 2008/10/15æ›´æ–° å¯¾å¿œãƒãƒ¼ã‚¸ãƒ§ãƒ³: 9 ntpdateã§æ™‚åˆ»åŒæœŸã—ã‚ˆã†ã¨ã™ã‚‹ã¨ä»¥ä¸‹ã®ã‚¨ãƒ©ãƒ¼ãŒå‡ºã¦åŒæœŸã«å¤±æ•—ã™ã‚‹ã€‚ % sudo ntpdate timeserver no server suitable for synchronization found ã“ã‚Œã«ã¯ã„ãã¤ã‹ã®åŽŸå› ãŒè€ƒãˆã‚‰ã‚Œã‚‹ã€‚ ntpdateã«-dã‚ªãƒ—ã‚·ãƒ§ãƒ³ã‚’ä»˜ã‘ã¦å®Ÿè¡Œã™ã‚‹ã¨è©³ç´°ãªæƒ…å ±ãŒå¾—ã‚‰ã‚Œã‚‹ã®ã§ã€ãã®çµæžœæ¯Žã®åŽŸå› ã‚’ç¤ºã™ã€‚ NTPã‚µãƒ¼ãƒã‹ã‚‰ã®å¿œç”ãŒãªã„å ´åˆ % sudo ntpdate -d timeserver : Looking for host timeserver and service ntp host found : timeserver transmit(xxx.xxx
kyouzont 2012/05/13
ntp

server

linux

troubleshoot
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kyouzont 2012/04/21
CentOS

rpm

apache

server

mysql

LAMP

linux

php

vps
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Androidã®NFCæ©Ÿèƒ½ã§FeliCaã®èªã¿æ›¸ãã‚’ã™ã‚‹ | âˆ’ã‚†ã‚ãƒã‚°âˆ’ | ã‚†ã‚ã¿ã‚¹ã‚¿ãƒƒãƒ•ãƒ–ãƒã‚°
kyouzont 2012/04/10
ã“ã‚Œã¯ç½

OS

pam

ulimit

file descriptor
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IBM Developer is your one-stop location for getting hands-on training and learning in-demand skills on relevant techno logies such as generative AI, data science, AI, and open source.
kyouzont 2012/04/01
Linux

web

Server
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AWS-CloudDesignPattern CDP2.0å€™è£œ
AWSã‚¯ãƒ©ã‚¦ãƒ‰ãƒ‡ã‚¶ã‚¤ãƒ³ãƒ‘ã‚¿ãƒ¼ãƒ³ã¨ã¯ï¼Ÿ AWSã‚¯ãƒ©ã‚¦ãƒ‰ãƒ‡ã‚¶ã‚¤ãƒ³ãƒ‘ã‚¿ãƒ¼ãƒ³ (AWS Cloud Design Pattern, ç•¥ã—ã¦CDPã¨å‘¼ã¶)ã¨ã¯ã€AWSã‚¯ãƒ©ã‚¦ãƒ‰ã‚’ä½¿ã£ãŸã‚·ã‚¹ãƒ†ãƒ ã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£è¨è¨ˆã‚’è¡Œã†éš›ã«ç™ºç”Ÿã™ã‚‹ã€å…¸åž‹çš„ãªå•é¡Œã¨ãã‚Œã«å¯¾ã™ã‚‹è§£æ±ºç–ãƒ»è¨è¨ˆæ–¹æ³•ã‚’ã€åˆ†ã‹ã‚Šã‚„ã™ãåˆ†é¡žã—ã¦ã€ãƒŽã‚¦ãƒã‚¦ã¨ã—ã¦åˆ©ç”¨ã§ãã‚‹ã‚ˆã†ã«æ•´ç†ã—ãŸã‚‚ã®ã§ã‚ã‚‹ã€‚ ã“ã‚Œã¾ã§å¤šãã®ã‚¯ãƒ©ã‚¦ãƒ‰ã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒˆé”ãŒç™ºè¦‹ã—ã¦ããŸã€ã‚‚ã—ãã¯ç·¨ã¿å‡ºã—ããŸè¨è¨ˆãƒ»é‹ç”¨ã®ãƒŽã‚¦ãƒã‚¦ã®ã†ã¡ã€ã‚¯ãƒ©ã‚¦ãƒ‰ä¸Šã§åˆ©ç”¨ãŒå¯èƒ½ãªã‚‚ã®ã‚’ã‚¯ãƒ©ã‚¦ãƒ‰ãƒ‡ã‚¶ã‚¤ãƒ³ã®ãƒ‘ã‚¿ãƒ¼ãƒ³ã¨ã„ã†å½¢å¼ã§ä¸€è¦§åŒ–ã—ã€æš—é»™çŸ¥ã‹ã‚‰å½¢å¼çŸ¥ã«å¤‰æ›ã—ãŸã‚‚ã®ã§ã‚ã‚‹ã¨ã„ãˆã‚‹ã€‚ ãƒ‘ã‚¿ãƒ¼ãƒ³ã®ä¸ã«ã¯ã€ã‚¯ãƒ©ã‚¦ãƒ‰ã§ãªãã¦ã‚‚å®Ÿç¾ã§ãã‚‹ã‚‚ã®ã€ä»Šã¾ã§ã§ã‚‚å®Ÿç¾ã•ã‚Œã¦ã„ãŸã‚‚ã®ã‚‚å«ã¾ã‚Œã¦ã„ã‚‹ãŒã€ã‚¯ãƒ©ã‚¦ãƒ‰ä¸Šã§ã‚‚ä»Šã¾ã§é€šã‚Šã®ã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£ãŒå®Ÿç¾ã§ãã€ã‹ã¤ã‚¯ãƒ©ã‚¦ãƒ‰ã‚’åˆ©ç”¨ã™ã‚‹äº‹ã§ã€ã‚ˆã‚Šå®‰ä¾¡ã«ãã—ã¦ã‚ˆã‚Šå®¹æ˜“ã«å®Ÿç¾ã§ãã‚‹ã‚‚ã®ã¯ã€CDPã¨ã—ã¦åŽ
kyouzont 2012/03/07
design pattern

server

amazon

aws

cloud
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å°¾è—¤æ£äººã§ã™ã€‚ ã‚¢ã‚¯ã‚»ã‚¹æ•°ã®å¤šã„ã‚³ãƒ³ã‚·ãƒ¥ãƒ¼ãƒžå‘ã‘ã® web ã‚µãƒ¼ãƒ“ã‚¹ã¯ã€å‡¦ç†é€Ÿåº¦ãŒã‹ãªã‚Šé‡è¦ã«ãªã£ã¦ãã¾ã™ã€‚ å¿œç”é€Ÿåº¦ãŒé…ã„ã¨ä½¿ç”¨ã—ã¦ã„ã‚‹ãƒ¦ãƒ¼ã‚¶ã«ã¨ã£ã¦ã‚¹ãƒˆãƒ¬ã‚¹ã«ãªã‚Šã¾ã™ã—ã€ å‡¦ç†ã«æ™‚é–“ãŒã‹ã‹ã‚Œã°ã‚µãƒ¼ãƒã«å¯¾ã™ã‚‹è² è·ã‚‚é«˜ããªã‚Šã¾ã™(åŽ³å¯†ã«è¨€ã†ã¨é•ã†)ã€‚ ãã“ã§ã‚¦ãƒŽã‚¦ã§ã¯ã„ã‚ã„ã‚ãªå·¥å¤«ã‚’ã—ã¦å‡¦ç†é€Ÿåº¦ã®é«˜é€ŸåŒ–ã‚’è¡Œã£ã¦ã„ã¾ã™ã€‚ ä¸€å£ã«é«˜é€ŸåŒ–ã¨ã„ã£ã¦ã‚‚ã„ã‚ã„ã‚ãªè¦ç´ ãŒã‚ã‚Šã¾ã™ãŒã€å¤§ããåˆ†ã‘ã¦3ã¤ã®æ®µéšŽãŒã‚ã‚Šã¾ã™ã€‚ ãƒ»ãƒãƒ¼ãƒ‰ã‚¦ã‚§ã‚¢ã«ã‚ˆã‚‹é«˜é€ŸåŒ– ãƒ»ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã«ã‚ˆã‚‹é«˜é€ŸåŒ– ãƒ»ãƒ—ãƒã‚°ãƒ©ãƒ ã®å·¥å¤«ã«ã‚ˆã‚‹é«˜é€ŸåŒ– ã—ã‹ã—ã€ã“ã‚Œã‚‰3ã¤ã¯ç‹¬ç«‹ã§ã¯ãªãã€äº’ã„ã«å½±éŸ¿ã—ã‚ã£ã¦ã„ã‚‹ã®ã§å®Œå…¨ã«åˆ†ã‘ã¦è€ƒãˆã‚‹ã“ã¨ã¯ã§ãã¾ã›ã‚“ã€‚ ãã‚Œãžã‚ŒãŒã©ã®ã‚ˆã†ãªéƒ¨åˆ†ã«å½±éŸ¿ã‚’ä¸Žãˆã¦ã„ã‚‹ã®ã‹ã€ã¡ã‚ƒã‚“ã¨ç†è§£ã—ã¦ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã™ã‚‹ã“ã¨ãŒå¤§äº‹ã§ã™ã€‚ ãŸã ã—ã€é«˜é€ŸåŒ–ã™ã‚‹ã¨ãã«å¿˜ã‚Œã¦ã„ã‘ãªã„ã®ãŒã€é«˜å¯ç”¨æ€§ã§ã™ã€‚ ã„ãã‚‰é«˜é€Ÿã«å‹•ä½œã—ã¦ã‚‚å®‰å®šã—ã¦å‹•ä½œã—
kyouzont 2012/02/07
performance tuning

apache

server

file system
ãƒªãƒ³ã‚¯
ã¯ã˜ã‚ã¦ã®è‡ªå®…ã‚µãƒ¼ãƒæ§‹ç¯‰ - Fedora/CentOS - NTPã‚µãƒ¼ãƒã®æ§‹ç¯‰(ntp)
å‹•ä½œç¢ºèªã€€[ FC1 / FC2 / FC3 / FC4 / FC5 / FC6 / Fedora7 / Fedora8 / Fedora9 / Fedora10 / Fedora11 / Fedora12 / Fedora13 / Fedora14 / Fedora15 / Fedora16 / Fedora17 / CentOS4 / CentOS5 / CentOS6 / CentOS7 ] â– ntpã¨ã¯ãƒ»ãƒ»ãƒ» ã‚ãªãŸã®PCã®æ™‚è¨ˆã¯å¸¸ã«æ£ç¢ºãªæ™‚åˆ»ã‚’åˆ»ã‚“ã§ã„ã¾ã™ã‹ï¼Ÿ NTP(Network Time Protocol)ã¨ã„ã†ä»•çµ„ã¿ã‚’åˆ©ç”¨ã™ã‚Œã°æ£ç¢ºãªæ™‚åˆ»ãŒå¾—ã‚‰ã‚Œã¾ã™ã€‚ ã¾ãŸã€ntpã‚µãƒ¼ãƒã‚’æ§‹ç¯‰ã—ã¾ã™ã®ã§ã€è‡ªåˆ†è‡ªèº«ãŒæ£ç¢ºãªæ™‚åˆ»ã‚’ä»–ã®PCã«ä¼é”ã™ã‚‹äº‹ãŒã§ãã¾ã™ã€‚(æ£ç¢ºã«ã¯ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆãŒæ™‚åˆ»ã®å–å¾—ã‚’è¡Œãªã„ã¾ã™ã€‚) ã“ã“ã§ã¯ã€NTPã‚µãƒ¼ãƒã‚’æ§‹ç¯‰ã—ã€ã‚µãƒ¼ãƒã¯ã€WANã®NTPã‚µãƒ¼ãƒã‚ˆã‚Šæ™‚åˆ»ã‚’åŒæœŸã—
kyouzont 2011/12/30
linux

server

textbook
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3 Minutes Networking No.55
ã†ã‚€ã€‚ãã†ã ã€‚ä¾‹ãˆã°ã€ŒAã€ã‚’é€ã‚ŠãŸã‹ã£ãŸã‚‰ã€ãƒ‡ãƒ¼ã‚¿ã¨ã—ã¦ASCIIã‚³ãƒ¼ãƒ‰ã®0x41ã‚’å…¥ã‚Œã¦é€ã‚‹ã€‚ ã ãŒã€ã“ã“ã§å•é¡Œã¯å‰å›žå‡ºã¦ããŸåˆ¶å¾¡æ©Ÿèƒ½ã ã€‚
kyouzont 2011/11/09
ã‚¨ã‚³ãƒ¼ã‚µãƒ¼ãƒã®èª¬æ˜Žã€‚å‹•ç”»ãŒã‚ã£ã¦ã‚ã‹ã‚Šã‚„ã™ã„ã€‚

server

echo server
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kyouzont 2011/11/09
server

Network

troubleshoot
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CentOS 5 - rsyncã«ã‚ˆã‚‹ãƒ•ã‚¡ã‚¤ãƒ«/ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã®åŒæœŸ : Server World
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kyouzont 2011/08/03
rsync

CentOS

HTML

server

HA
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kyouzont 2011/06/02
server

monitoring

nagios

zabbix

hinemos
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