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kuni92 2022/10/02

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kuni92 2022/09/21

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kuni92 2021/10/09

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kuni92 2021/05/23

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kuni92 2021/05/09

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Red Hat Enterprise Linux 6 ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã‚¬ã‚¤ãƒ‰ Red Hat Enterprise Linux 6 ã«ãŠã‘ã‚‹ã‚µãƒ–ã‚·ã‚¹ãƒ†ãƒ ã®ã‚¹ãƒ«ãƒ¼ãƒ—ãƒƒãƒˆã‚’æœ€é©åŒ– ã‚¨ãƒ‡ã‚£ãƒƒã‚·ãƒ§ãƒ³ 4.0 Last Updated: 2017-10-12 Red Hat Enterprise Linux 6 ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã‚¬ã‚¤ãƒ‰ Red Hat Enterprise Linux 6 ã«ãŠã‘ã‚‹ã‚µãƒ–ã‚·ã‚¹ãƒ†ãƒ ã®ã‚¹ãƒ«ãƒ¼ãƒ—ãƒƒãƒˆã‚’æœ€é©åŒ– ã‚¨ãƒ‡ã‚£ãƒƒã‚·ãƒ§ãƒ³ 4.0 Red Hat Subject Matter Experts ç·¨é›†è€… Don Domingo Laura Bailey æ³•å¾‹ä¸Šã®é€šçŸ¥ Copyright Â© 2011 Red Hat, Inc. and others. This document is licensed by Red Hat under the Creative

kuni92 2021/04/10

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ãƒã‚°åˆ†æžã«ä½¿ãˆã‚‹Linuxã‚³ãƒžãƒ³ãƒ‰6é¸ - Qiita

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kuni92 2020/05/11

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kuni92 2019/12/29

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Red Hat Enterprise Linux 8 æ–°æ©Ÿèƒ½ã‚’ã‚ã‹ã‚Šã‚„ã™ãè§£èª¬ã€RHEL8ã€‘ 2019å¹´5æœˆ16æ—¥ Linux Red Hat Enterprise Linux 8 ï¼ˆRHEL8ï¼‰ãŒã€2019å¹´5æœˆ7æ—¥ã«ãƒªãƒªãƒ¼ã‚¹ã•ã‚Œã¾ã—ãŸã€‚RHEL 7 ã®ãƒªãƒªãƒ¼ã‚¹ãŒ2014å¹´6æœˆã ã£ãŸã®ã§ã€ç´„5å¹´ã¶ã‚Šã®æ–°OSã¨ãªã‚Šã¾ã™ã€‚ å‰å›žã®ãƒ¡ã‚¸ãƒ£ãƒ¼ã‚¢ãƒƒãƒ—ãƒ‡ãƒ¼ãƒˆã‹ã‚‰å°‘ã—é–“éš”ãŒç©ºã„ãŸãŸã‚ã‹ã€ãƒªãƒªãƒ¼ã‚¹ãƒŽãƒ¼ãƒˆã¯ãªã‚“ã¨120ãƒšãƒ¼ã‚¸ã‚‚ã‚ã‚Šã¾ã™ï¼ï¼ˆã¡ãªã¿ã«RHEL 7ã¯90ãƒšãƒ¼ã‚¸ã§ã—ãŸï¼‰ ã“ã®è¨˜äº‹ã§ã¯ã€ãã‚“ãªå±±ã»ã©ã‚ã‚‹RHEL 8 ã®æ–°æ©Ÿèƒ½ã‚„å¤‰æ›´ç‚¹ã®ä¸ã‹ã‚‰ã€æ°—ã«ãªã‚‹ã‚‚ã®ã‚’ã¾ã¨ã‚ã¦ã¿ã¾ã—ãŸã€‚ ã¾ãŸã€RHELã®ã‚¯ãƒãƒ¼ãƒ³ã§ã‚ã‚‹ CentOS ã®ãƒ¡ã‚¸ãƒ£ãƒ¼ã‚¢ãƒƒãƒ—ãƒ‡ãƒ¼ãƒˆã‚‚è¿‘ã„ã†ã¡ã«è¡Œã‚ã‚Œã‚‹ã§ã—ã‚‡ã†ã€‚CentOS8ã§ã‚‚ã€ã“ã‚Œã¨åŒæ§˜ã®å¤‰æ›´ãŒãªã•ã‚Œã‚‹ã‹ã¨æ€ã‚ã‚Œã‚‹ã®ã§ã€å‚è€ƒã«ã—ã¦ã¿ã¦ãã ã•ã„ã€‚ ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ç®¡ç† DNFï¼ˆYUM v4ï¼‰

kuni92 2019/10/30

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Systemdã‚’ä½¿ã£ã¦ã•ãã£ã¨è‡ªä½œã‚³ãƒžãƒ³ãƒ‰ã‚’ã‚µãƒ¼ãƒ“ã‚¹åŒ–ã—ã¦ã¿ã‚‹ - Qiita

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kuni92 2019/09/27

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6ä¸‡ãƒŸãƒªç§’ã§ã§ãã‚‹Linuxãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹åˆ†æž | Yakst

Netflixã®ã‚·ãƒ‹ã‚¢ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒˆã§ã‚ã‚‹Brendan Greggæ°ã«ã‚ˆã‚‹ã€Linuxã‚µãƒ¼ãƒã«ãƒã‚°ã‚¤ãƒ³ã—ã¦60ç§’ã§ã¾ãšèª¿ã¹ã‚‹ã“ã¨ã®ã¾ã¨ã‚ã€‚ ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹å•é¡Œã§Linuxã‚µãƒ¼ãƒãƒ¼ã«ãƒã‚°ã‚¤ãƒ³ã—ãŸã¨ã—ã¦ã€æœ€åˆã®1åˆ†ã§ä½•ã‚’èª¿ã¹ã¾ã™ã‹ï¼Ÿ Netflixã«ã¯ã€å¤šæ•°ã®EC2 Linuxã‹ã‚‰ãªã‚‹ã‚¯ãƒ©ã‚¦ãƒ‰ãŒã‚ã‚Šã€ãã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã‚’ç›£è¦–ã—ãŸã‚Šèª¿æŸ»ã—ãŸã‚Šã™ã‚‹ãŸã‚ã®æ•°ã€…ã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹åˆ†æžãƒ„ãƒ¼ãƒ«ãŒã‚ã‚Šã¾ã™ã€‚ãã®ä¸ã«ã¯ã€ã‚¯ãƒ©ã‚¦ãƒ‰å…¨ä½“ã«ã‚ãŸã‚‹ç›£è¦–ã‚’è¡Œã†Atlasã‚„ã€ã‚ªãƒ³ãƒ‡ãƒžãƒ³ãƒ‰ã«ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ã®åˆ†æžã‚’è¡Œã†VectorãŒã‚ã‚Šã¾ã™ã€‚ã“ã‚Œã‚‰ã®ãƒ„ãƒ¼ãƒ«ã¯å¤šãã®å•é¡Œã‚’è§£æ±ºã™ã‚‹æ‰‹åŠ©ã‘ã‚’ã—ã¦ãã‚Œã¾ã™ãŒã€å„ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ã«ãƒã‚°ã‚¤ãƒ³ã—ã€æ¨™æº–çš„ãªLinuxãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ãƒ„ãƒ¼ãƒ«ã‚’å®Ÿè¡Œã™ã‚‹å¿…è¦ãŒã‚ã‚‹å ´åˆã‚‚ã‚ã‚Šã¾ã™ã€‚ ã“ã®è¨˜äº‹ã§ã¯ã€ã™ãä½¿ãˆã‚‹ã¯ãšã®æ¨™æº–çš„Linuxãƒ„ãƒ¼ãƒ«ã‚’ä½¿ã„ã‚³ãƒžãƒ³ãƒ‰ãƒ©ã‚¤ãƒ³ã«ãŠã„ã¦ã€æœ€é©åŒ–ã•ã‚ŒãŸãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹èª¿æŸ»ã‚’

kuni92 2019/07/10

linux

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Linux/UNIXã®sortã‚³ãƒžãƒ³ãƒ‰ã§IPã‚¢ãƒ‰ãƒ¬ã‚¹ã®ã‚½ãƒ¼ãƒˆã‚’è¡Œã† | ä¿ºçš„å‚™å¿˜éŒ² ã€œãªã‚“ã‹ã„ã‚ã„ã‚ã€œ

2017/02/12 è¿½è¨˜ ä»¥ä¸‹ã®å†…å®¹ã‚’è¨˜è¿°ã—ã¦ã„ãŸæ™‚ã¯çŸ¥ã‚‰ãªã‹ã£ãŸã®ã ãŒã€GNU sortã‚’ä½¿ã£ã¦ã„ã‚‹ã®ã§ã‚ã‚Œã°æ™®é€šã«ã€Œ-V(--version-sort)ã€ã§å‡¦ç†ã™ã‚‹ã»ã†ãŒã„ã„ã€‚ (Mac OS Xã ã¨gsortãŒå¿…è¦) sort -V blacknon@BS-PUB-DEVELOP:~$ cat test.txt 192.168.0.102 192.168.0.8 192.168.0.97 192.168.0.68 192.168.0.99 192.168.0.66 192.168.0.24 blacknon@BS-PUB-DEVELOP:~$ sort -V test.txt 192.168.0.8 192.168.0.24 192.168.0.66 192.168.0.68 192.168.0.97 192.168.0.99 192.168.0.102 ãã®ä»–ã€sortã‚³ãƒžãƒ³ãƒ‰ã«

kuni92 2017/02/13

linux
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ã€å®ŸéŒ²ã€‘WordPressã®æ€ªã—ã„æŒ™å‹•ã‚’lsofã¨straceã‚³ãƒžãƒ³ãƒ‰ã§èª¿æŸ»ã™ã‚‹æ–¹æ³• | DevelopersIO

ã¯ã˜ã‚ã« ã“ã‚“ã«ã¡ã¯æ¤æœ¨å’Œæ¨¹ï¼ ä¸Šè¶Šå¦™é«˜ã‚ªãƒ•ã‚£ã‚¹ã§ã™ã€‚ åˆ©ç”¨ã—ã¦ã„ã‚‹EC2ã‚’è¸ã¿å°ã«ã—ãŸå¤–éƒ¨ã¸ã®æ”»æ’ƒãŒè¡Œã‚ã‚Œã¦ã„ã‚‹ã¨ã€æ”»æ’ƒå…ˆã®ã‚µãƒ¼ãƒãƒ¼ç®¡ç†è€…ã‹ã‚‰AWSå®›ã«ä¸æ£åˆ©ç”¨å ±å‘Šï¼ˆAbuseï¼‰ãŒé€ã‚‰ã‚Œã‚‹å ´åˆãŒã‚ã‚Šã¾ã™ã€‚AWSã§ã¯å ±å‘Šã‚’å—ã‘ã¦ã€ãã®ã‚µãƒ¼ãƒãƒ¼ï¼ˆIPã‚¢ãƒ‰ãƒ¬ã‚¹ï¼‰ã®åˆ©ç”¨è€…å®›ã«è¦å‘Šãƒ¡ãƒ¼ãƒ«ï¼ˆAbuse Reportï¼‰ã§é€šçŸ¥ã—ã¾ã™ã€‚ ä»Šå›žã€ã¨ã‚ã‚‹Abuse ReportãŒå±Šã„ãŸéš›ã®æ”»æ’ƒæ‰‹æ®µã®èª¿æŸ»ã‚’ãƒ¡ãƒ¢ã—ãŸã®ã§ã€ä¸»ã«æœ‰ç”¨ã ã£ãŸlsofã¨straceã‚³ãƒžãƒ³ãƒ‰ã®ä½¿ã„æ–¹ã«ã¤ã„ã¦ã¾ã¨ã‚ã¾ã—ãŸã€‚ EC2ãƒžãƒãƒ¼ã‚¸ãƒ¡ãƒ³ãƒˆã‚³ãƒ³ã‚½ãƒ¼ãƒ«ã§çŠ¶æ…‹ã‚’ç¢ºèªã™ã‚‹ ã¾ãšç¢ºèªã™ã‚‹ã®ã¯ãƒžãƒãƒ¼ã‚¸ãƒ¡ãƒ³ãƒˆã‚³ãƒ³ã‚½ãƒ¼ãƒ«ã§ã™ã€‚AWSã‹ã‚‰é€šçŸ¥ã®ã‚ã£ãŸIPã‚¢ãƒ‰ãƒ¬ã‚¹ï¼ˆElastic IPï¼‰ã‹ã‚‰ã€EC2ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ã‚’ç‰¹å®šã—ã¾ã™ã€‚ æ¬¡ã«å„ç¨®CloudWatchã®ãƒ¡ãƒˆãƒªã‚¯ã‚¹ã‚’ç¢ºèªã—ã¾ã™ã€‚å¤–éƒ¨ã¸ã®æ”»æ’ƒã‚’è¡Œã‚ã‚Œã‚‹ã¨Network OutãŒæ¥µç«¯ã«é«˜ããªã‚‹å‚¾å‘ãŒã‚ã‚Šã¾ã™ã€‚

kuni92 2015/11/18

linux

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Blog Alpha Networking: kernelãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°(OSå…¨ä½“ç·¨)

2012å¹´12æœˆ7æ—¥é‡‘æ›œæ—¥ kernelãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°(OSå…¨ä½“ç·¨) linuxã‚µãƒ¼ãƒã®OSå…¨ä½“ã«åŠ¹ãã‚«ãƒ¼ãƒãƒ«ãƒ‘ãƒ©ãƒ¡ãƒ¼ã‚¿ã®ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ç®‡æ‰€ã¨ ãã®è¨å®šå€¤ã€ã¾ãŸãã®ç†ç”±ã‚’ã¾ã¨ã‚ã¦ãŠãã€‚ ã‚ãã¾ã§è‡ªåˆ†ã®ç’°å¢ƒã§ã¯ã“ã†ã—ãŸã€ã¨ã„ã†ã ã‘ã§ã‚ã‚Šã€ æä¾›ã™ã‚‹ã‚µãƒ¼ãƒ“ã‚¹ã”ã¨ã«æ¤œè¨ŽãŒå¿…è¦ã§ã‚ã‚‹ã€‚ ã©ã“ã‚’ã©ã†å¤‰æ›´ã™ã‚‹ã®ã‹ã€ã¾ãŸã¯å¤‰ãˆãªã„ã®ã‹ã€ãã®åˆ¤æ–ææ–™ã«ã¯ãªã‚‹ã ã‚ã†ã€‚ ã¾ãŸã€ãƒ¦ãƒ¼ã‚¶å˜ä½ã§åˆ¶é™ã‚’ã‹ã‘ã‚‹å ´åˆã‚’ã“ã¡ã‚‰ã‚’å‚ç…§ã—ã¦ã»ã—ã„ã€‚ /etc/sysctl.conf ã§è¨å®šã™ã‚‹ã€‚ â— å¤§è¦æ¨¡ã‚µã‚¤ãƒˆç”¨ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚° kernel.pid_max å‹•ä½œï¼špidã®æœ€å¤§æ•° è¨å®šå€¤ï¼š131072 ç†ç”±ï¼špidã‚’æž¯æ¸‡ã•ã›ãªã„ vm.max_map_count å‹•ä½œï¼šmmapã‚„mallocæ™‚ã«ãƒ¡ãƒ¢ãƒªã‚’ä»®æƒ³ç©ºé–“ã«ãƒžãƒƒãƒ”ãƒ³ã‚°ã§ãã‚‹æœ€å¤§ãƒšãƒ¼ã‚¸æ•° è¨å®šå€¤ï¼š30000 ç†ç”±ï¼šãƒžãƒƒãƒ”ãƒ³ã‚°ã§ããªããªã‚‹äº‹æ…‹ã‚’é˜²ã

kuni92 2013/02/21

linux

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ext4ãªãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ç’°å¢ƒã‚’ä½¿ã†éš›ã®æ³¨æ„ç‚¹ - Shaw's Home Pageï¼ˆæœ¬é¤¨ï¼‰

ã¤ã„å…ˆæ—¥ã“ã‚“ãªæ—¥è¨˜ã‚’æ›¸ã„ãŸã€‚ ã‚µãƒ¼ãƒã®HDD åŽŸå› ã¯ãƒ‡ã‚£ã‚¹ã‚¯I/Oã ï¼ã¨ã„ã†çµè«–ã¯æ±ºã—ã¦é–“é•ã£ã¦ã„ãªã‹ã£ãŸã‚“ã ã‘ã©ã€æ ¹æœ¬çš„ãªã“ã¨ã‚’ç†è§£ã—ã¦ã„ãªã‹ã£ãŸã°ã£ã‹ã‚Šã«ã€ã“ã®æ—¥è¨˜ã‚’æ›¸ã„ãŸã‚ã¨ã‚‚å¤šã„ã«ã¯ã¾ã‚Šã¾ã—ãŸã‚ˆâ€¦ã¨ã„ã†è©±ã€‚ ãã‚‚ãã‚‚ä»Šå›žã®ä»¶ã£ã¦ã€ã•ãã‚‰ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆã®å°‚ç”¨ã‚µãƒ¼ãƒã‚’æ–°è¦ã«å€Ÿã‚Šã¦ã€ãã“ã«RHEL6ã‚’ã®ã£ã‘ãŸã¨ã“ã‚ãŒã‚¹ã‚¿ãƒ¼ãƒˆã ã£ãŸã‚ã‘ã§ã™ã€‚ã§ã€ã‚µãƒ¼ãƒãŒåˆ©ç”¨ã§ãã‚‹ã‚ˆã†ã«ãªã£ã¦ã‹ã‚‰ã€ã‚µã‚¤ãƒˆã®ã‚»ãƒƒãƒˆã‚¢ãƒƒãƒ—ã‚’æ¸ˆã¾ã›ã€ã„ã–é‹ç”¨ãƒ†ã‚¹ãƒˆã‚’è¡Œã£ã¦ã¿ãŸæ®µéšŽã§ã€DBã«å¯¾ã™ã‚‹æ›¸ãè¾¼ã¿ã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ãŒå…¨ç„¶ã‚ãŒã‚‰ãªã„ã€‚ãªã®ã§HDDã®éšœå®³ã‚’ç–‘ã£ã¦ã€ãã—ã¦å†ã‚»ãƒƒãƒˆã‚¢ãƒƒãƒ—ã¾ã§è¡Œã£ã¦ã‚‚ã‚‰ã£ãŸã¨ã„ã†ã®ãŒå‰å›žã®è©±ã€‚ ãŸã ã€å†ã‚»ãƒƒãƒˆã‚¢ãƒƒãƒ—ã—ã¦ã‚‚ã‚‰ã£ãŸç’°å¢ƒã§ã€æ”¹ã‚ã¦ãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯ã¨ã£ã¦ã‚¹ãƒ«ãƒ¼ãƒ—ãƒƒãƒˆãƒã‚§ãƒƒã‚¯ã‚’è¡Œã£ã¦ã‚‚ã€å…¨ç„¶ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ãŒå¤‰ã‚ã‚‰ãªã„ã‚ã‘ã§ã™ã€‚ãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯ã«åˆ©ç”¨ã—ãŸdbenchã®å‚¾å‘ã¨ã—ã¦ã€Flashé …ç›®ã ã‘ãšã°ã¬ã‘

kuni92 2012/12/12

redhat6

linux
ext4

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Yum ã®å¤‰æ•°ã‚’è¿½åŠ ã™ã‚‹æ–¹æ³• | Carpe Diem

CentOS 5/6 ç³»ã§ã€/etc/yum.repos.d/ ã® yum ãƒªãƒã‚¸ãƒˆãƒªã®è¨å®šã‚’ã¿ã¦ã¿ã‚‹ã¨ã€$releasever ã‚„ $basearch ã¨ã„ã†å¤‰æ•°åãŒä½¿ã‚ã‚Œã¦ã„ã¦ã€ãƒªãƒªãƒ¼ã‚¹ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã«ã‚ã†ã‚ˆã†ã«ãªã£ã¦ã„ã¦ä¾¿åˆ©ã§ã™ã‚ˆãã€‚ã§ã™ãŒã€$releasever ã¯ã€CentOS 6.3 ãªã‚‰ 6 ã¨ã—ã‹å…¥ã‚‰ãªã„ã®ã§ã€å¤šå°‘ä¸ä¾¿ã§ã™ã€‚æ¯Žå›žã€ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã‚¢ãƒƒãƒ—ã™ã‚‹ã“ã¨ã« /etc/yum.repos.d/ ã®è¨å®šã‚’å›ºå®šå€¤ã§æ›¸ãæ›ãˆã¦ã‚‚å½“ç„¶ã„ã„ã®ã§ã™ãŒã€ã‚ã‚“ã©ãã•ã„ã¨ã„ã†ã“ã¨ã§ã€Yum ã®å¤‰æ•°ã‚’ã‚«ã‚¹ã‚¿ãƒžã‚¤ã‚ºã™ã‚‹æ–¹æ³•ã‚’èª¿ã¹ã¦ã¿ã¾ã—ãŸã€‚ ã¾ãšã€å®šç¾©ã•ã‚Œã¦ã„ã‚‹ Yum ã®å¤‰æ•°ã‚’ãƒã‚§ãƒƒã‚¯ã™ã‚‹ã«ã¯ã€æ¬¡ã®ãƒ¯ãƒ³ãƒ©ã‚¤ãƒŠãƒ¼ã§ç¢ºèªã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ $ sudo python -c 'import yum, pprint; yb = yum.YumBase(); pprint.pprint(yb.conf.yu

kuni92 2012/10/10

yum
linux

ãƒªãƒ³ã‚¯

DBã‚µãƒ¼ãƒå‘ã‘Linuxãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã‚’è€ƒãˆã‚‹ ã€œ ãƒ¡ãƒ¢ãƒªã‚ªãƒ¼ãƒãƒ¼ã‚³ãƒŸãƒƒãƒˆç·¨ : DSASé–‹ç™ºè€…ã®éƒ¨å±‹

Cã§ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’æ›¸ã„ã¦ã„ã¦å¤§é‡ã®ãƒ¡ãƒ¢ãƒªã‚’ç¢ºä¿ã—ãŸããªã£ãŸã¨ãã€å¤§æŠµã¯ mallocã‚’ä½¿ã†ã¨æ€ã„ã¾ã™ãŒã€ãã®éš›ã«ã¯æˆ»ã‚Šå€¤ãŒNULLã‹ã©ã†ã‹ã‚’åˆ¤æ–ã—ã¦ã‚¨ãƒ©ãƒ¼å‡¦ç†ã«é£›ã°ã™ã¨æ€ã„ã¾ã™ã€‚ã—ã‹ã—ã€Linux ã®ãƒ¡ãƒ¢ãƒªç®¡ç†ã‚µãƒ–ã‚·ã‚¹ãƒ†ãƒ ã«ã¯ã€Œãƒ¡ãƒ¢ãƒªãƒ»ã‚ªãƒ¼ãƒãƒ¼ã‚³ãƒŸãƒƒãƒˆã€ã¨ã„ã†æ©Ÿæ§‹ãŒã‚ã‚Šã€å®Ÿè£…ã•ã‚Œã¦ã„ã‚‹ãƒ¡ãƒ¢ãƒªä»¥ä¸Šã®é ˜åŸŸã‚’ç¢ºä¿ã§ãã¦ã—ã¾ã„ã¾ã™ã€‚ #include <stdio.h> #include <stdlib.h> int main() { int i; char *p; for(i=0;i<65536;i++){ p = (char *)malloc(65536); if(0 == (long)p){ break; } } printf("SIZE=%dMB\n",i*65536/1024/1024); return(0); } swapoff ã—ãŸãƒ¡ãƒ¢ãƒª 1G ã®ãƒžã‚·ãƒ³ã§ã“ã‚Œã‚’å®Ÿè¡Œã™ã‚‹ã¨ã“ã‚“ãªæ„Ÿã˜ã«ãª

kuni92 2012/09/14

linux

ãƒªãƒ³ã‚¯

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kuni92 2012/08/16

linux

ãƒªãƒ³ã‚¯

cron ã§ > /dev/null ã—ã¦æ¤…åã‚’æŠ•ã’ã‚‰ã‚Œãªã„ãŸã‚ã®3ã¤ã®æ–¹æ³• - é…’æ—¥è¨˜ ã¯ã¦ãªæ”¯åº—

(ã‚¿ã‚¤ãƒˆãƒ«ã¯é‡£ã‚Šã§ã™) ã„ã„åŠ æ¸›ã€>/dev/null 2>&1ã¨æ›¸ãã®ã‚’ã‚„ã‚ãŸã‚‰ã©ã†ã‹ - DQNEOèµ·æ¥æ—¥è¨˜ ã“ã®è¨˜äº‹ã®ã‚¿ã‚¤ãƒˆãƒ«ãŒ twitter ã§æµã‚Œã¦ããŸã®ã‚’è¦‹ã¦ã€ã€Œãã†ã ï¼å‡ºåŠ›ã‚’ /dev/null ã«æ¨ã¦ã‚‹ãªã‚“ã¦ã¨ã‚“ã§ã‚‚ãªã„ã‚ˆãï¼ã€ã¨æ€ã£ã¦ã‚ˆãèªã‚“ã ã‚‰ /dev/null ã«é–“é•ã„ãªãæ¨ã¦ã‚‹æ–¹æ³•ã ã£ãŸã®ã§ã¤ã„ crontabã« > /dev/null æ›¸ã„ãŸã‚‰æ¤…åæŠ•ã’ã‚‹ 2012-06-13 00:01:17 via YoruFukurou ã¨ã¤ã¶ã‚„ã„ã¦ã—ã¾ã£ãŸã®ã§ã™ãŒã€ã§ã¯å‡ºåŠ›ã‚’æ¨ã¦ãªã„ãŸã‚ã«ã¯ã©ã†ã™ã‚Œã°ã„ã„ã®ã‹ã€‚ç¾æ™‚ç‚¹ã§ã®å€‹äººçš„ãƒ™ã‚¹ãƒˆãƒ—ãƒ©ã‚¯ãƒ†ã‚£ã‚¹ã‚’æ›¸ãç•™ã‚ã¦ãŠãã¾ã™ã€‚ ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆ : ãƒ¡ãƒ¼ãƒ«ã§é€ã‚‹ (MAILTO) ã›ã£ã‹ã cron daemon ãŒãƒã‚°ã‚’æ¨ã¦ãªã„ãŸã‚ã«ã‚ã–ã‚ã–ãƒ¡ãƒ¼ãƒ«ã§é€ã£ã¦ãã‚Œã‚‹ã®ã«ã€ãã‚Œã‚’ > /dev/null ã§è¸ã¿ã«ã˜ã‚‹ã¨ã¯ã²ã©ã„ã€‚ ã¨ã¯ã„ãˆã€

kuni92 2012/06/13

linux
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