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YAK id:YAK

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Linuxã®ã‚µãƒ¼ãƒã‚’ãƒªãƒ¢ãƒ¼ãƒˆã‹ã‚‰å¼·åˆ¶çš„ã«OSãƒªãƒ–ãƒ¼ãƒˆã™ã‚‹ - å…ƒRX-7ä¹—ã‚Šã®é©å½“ãªæ—¥ã€…
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YAK 2011/04/26
Linux

tips

ã‚µãƒ¼ãƒãƒ¼
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less ã® tail -f ãƒ¢ãƒ¼ãƒ‰çš„ãªä½•ã‹ - å®‡å®™è¡ŒããŸã„
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YAK 2010/12/09
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linux

ã‚³ãƒžãƒ³ãƒ‰

tips
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Linuxç‰ã§ã®ãƒã‚°ã®ãƒ¢ãƒ‹ã‚¿ãƒªãƒ³ã‚°ã§ç°¡å˜ã«ã‚¢ãƒ©ãƒ¼ãƒˆã‚’ã‚ãƒ£ãƒƒãƒã™ã‚‹ãƒ¯ãƒ³ãƒ©ã‚¤ãƒŠãƒ¼ - å…ƒRX-7ä¹—ã‚Šã®é©å½“ãªæ—¥ã€…
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YAK 2010/08/27
Linux

ç›£è¦–

ãƒªã‚¢ãƒ«ã‚¿ã‚¤ãƒ

tips

linux
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iptablesã§ã§ãã‚‹DoSï¼DDoSå¯¾ç–
ã¯ã˜ã‚ã« ä»Šå›žã¯DoSï¼DDoSå¯¾ç–ã‚’ç´¹ä»‹ã—ã¾ã™ã€‚ä»Šå›žã¯iptablesã‚’ä½¿ã£ãŸæ–¹æ³•ã¨ã¨ã‚‚ã«ã€Linuxã®ã‚«ãƒ¼ãƒãƒ«ãƒ‘ãƒ©ãƒ¡ãƒ¼ã‚¿ã‚’ä½¿ã£ãŸæ–¹æ³•ã‚‚ç´¹ä»‹ã—ã¾ã™ã€‚ é–¢é€£ãƒªãƒ³ã‚¯ï¼š â†’Linuxã§ä½œã‚‹ãƒ•ã‚¡ã‚¤ã‚¢ã‚¦ã‚©ãƒ¼ãƒ«ï¼»ãƒ‘ã‚±ãƒƒãƒˆãƒ•ã‚£ãƒ«ã‚¿ãƒªãƒ³ã‚°è¨å®šç·¨ï¼½ http://www.atmarkit.co.jp/flinux/rensai/security05/security05a.html â†’é€£è¼‰è¨˜äº‹ ã€Œç¿’ã†ã‚ˆã‚Šæ…£ã‚Œã‚ï¼ iptablesãƒ†ãƒ³ãƒ—ãƒ¬ãƒ¼ãƒˆé›†ã€ http://www.atmarkit.co.jp/flinux/index/indexfiles/iptablesindex.html â†’é€£è¼‰è¨˜äº‹ ã€Œç¿’ã†ã‚ˆã‚Šæ…£ã‚Œã‚ï¼ iptablesãƒ†ãƒ³ãƒ—ãƒ¬ãƒ¼ãƒˆé›† æ”¹è¨‚ç‰ˆã€ http://www.atmarkit.co.jp/flinux/index/indexfiles/newiptablesindex.html DoSï¼
YAK 2010/07/15
iptables

tips

linux
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æœ€è¿‘çŸ¥ã£ãŸLinux/UNIXã®å°æŠ€ - harryâ€™s memorandum
æœ€è¿‘çŸ¥ã£ã¦çµæ§‹ã‚·ãƒ§ãƒƒã‚¯ã‚’å—ã‘ãŸã€‚ touch hoge.txt ã¨ä¼¼ãŸã‚ˆã†ãªæ©Ÿèƒ½ã€‚*1 $ > hoge.txt $ ls -l hoge.txt -rw-r--r-- 1 root root 0 Jul 10 03:15 hoge.txt lessã§tail -f ãŒã§ãã‚‹ã€‚ $ sudo less +F /var/log/messages SSHã§ãƒªãƒ¢ãƒ¼ãƒˆã‚µãƒ¼ãƒã«å¯¾ã—ã¦è‰²ã€… ãƒªãƒ¢ãƒ¼ãƒˆå…ˆã®ãƒ•ã‚¡ã‚¤ãƒ«ã‚’sortã—ã¦æ¯”è¼ƒã€‚ãƒ‘ã‚¹ãƒ•ãƒ¬ãƒ¼ã‚ºãªã—ã«ã™ã‚‹ã‹ã€ssh-agentã‚’ä½¿ç”¨ã™ã‚‹ã‹ã—ã¦ãã ã•ã„ã€‚ $ diff <(sort /home/user/.bashrc) <(ssh user@hostname "sort /home/user/.bashrc") ãƒªãƒ¢ãƒ¼ãƒˆã‚µãƒ¼ãƒã®ãƒ•ã‚¡ã‚¤ãƒ«ã‚’ç·¨é›† $ vim scp://user@hostname//home/user/.bashrc sambaã®ã‚³ãƒžãƒ³ãƒ‰ã§
YAK 2010/07/11
Linux

ã‚³ãƒžãƒ³ãƒ‰

shell

Tips
ãƒªãƒ³ã‚¯
ã‚ã£ã¡ã‚ƒä¾¿åˆ©ã‚„ãã‚“ find ã‚³ãƒžãƒ³ãƒ‰ã®ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã¾ã¨ã‚ | ãƒã‚·ãƒ£ãƒã‚°ã€‚
ã“ã‚“ã«ã¡ã¯ nakamura ã§ã™ã€‚ãã†ã„ãˆã° 4/1 ã‹ã‚‰ ç¥žå¥ˆå·çœŒå…¬å…±çš„æ–½è¨ã«ãŠã‘ã‚‹å—å‹•å–«ç…™é˜²æ¢æ¡ä¾‹ ãŒæ–½è¡Œã•ã‚Œã¾ã—ãŸãã€‚ä»Šã®ã¨ã“ã‚ã‚ˆãè¡ŒããŠåº—ã§ãã‚Œã‚‰ã—ã„å…‰æ™¯ã¯è¦‹æŽ›ã‘ã¾ã›ã‚“ãŒã€å…ˆæ—¥è¡Œã£ãŸå±…é…’å±‹ã¯ã‚‚ã®ã®è¦‹äº‹ã«ç¦ç…™ã«ãªã£ã¦ã„ã¦å¿ƒãªã—ã‹å®¢è¶³ã‚‚ã¾ã°ã‚‰ãªæ„Ÿã˜ã§ã—ãŸã€‚ç¥žå¥ˆå·çœŒã®é£²é£Ÿã¯ã“ã‚Œã‹ã‚‰åŽ³ã—ãã†ã§ã™ãªã€‚ ã•ã¦ã•ã¦æ€ã‚ãšé–¢è¥¿å¼ã«ãªã£ã¦ã—ã¾ã†ã»ã©ä¾¿åˆ©ãª find ã‚³ãƒžãƒ³ãƒ‰ã‚’ä»Šæ—¥ã¯ã”ç´¹ä»‹ã—ã¾ã™ã€‚æ¯”è¼ƒçš„æœ‰åãªã‚³ãƒžãƒ³ãƒ‰ã§ã™ãŒã€ã‚ªãƒ—ã‚·ãƒ§ãƒ³ãŒç›¸å½“ãªæ•°ã‚ã‚Šæ£ç›´å…¨ã¦ã‚’æŠŠæ¡ã™ã‚‹ã®ã¯ç„¡ç†ã‹ã‚‚ã—ã‚Œã¾ã›ã‚“ã€‚ãŸã ã€ã‚ˆãä½¿ã†ã‚‚ã®ã ã‘ã§ã‚‚é ã«å…¥ã‚Œã¦ãŠãã¨ä½•ã‹ã¨ä¾¿åˆ©ãªå„ªã‚Œã‚‚ã®ãªã®ã§ã™ã€‚ åŸºæœ¬çš„ãªã‚ªãƒ—ã‚·ãƒ§ãƒ³ ã¾ãšã¯åŸºæœ¬çš„ãªä½¿ã„æ–¹ã€‚ -type ãƒ•ã‚¡ã‚¤ãƒ«ã‚¿ã‚¤ãƒ—ã®æŒ‡å®šã«ä½¿ç”¨ã™ã‚‹ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã§ã™ã€‚ã‚¹ãƒšã‚·ãƒ£ãƒ«ãƒ•ã‚¡ã‚¤ãƒ«ã‚„åå‰ä»˜ããƒ‘ã‚¤ãƒ—ç‰æ§˜ã€…ãªå¼•æ•°ãŒã‚ã‚Šã¾ã™ãŒã€ã‚ˆãä½¿ã†ã®ã¯ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã‚’ç¤ºã™ d ã¨é€šå¸¸ãƒ•ã‚¡ã‚¤ãƒ«ã‚’ç¤ºã™ f ã§ã—ã‚‡ã†ã‹ã€‚ -n
YAK 2010/04/10
linux

tips

find

ã¾ã¨ã‚

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Kazuho@Cybozu Labs: crontab ã‚’ä½¿ã£ã¦åŠ¹çŽ‡çš„ã«ã‚µãƒ¼ãƒ“ã‚¹ç›£è¦–ã™ã‚‹æ–¹æ³•
ç›£è¦–ã¨ã¯ç¶™ç¶šçš„ãªãƒ†ã‚¹ãƒˆã§ã‚ã‚‹ã€ã¨ã„ã†è©± (ã‚‚ã—ãã¯ cron log ã¨ãƒ†ã‚¹ãƒˆã‚¹ã‚¯ãƒªãƒ—ãƒˆã‚’çµ„ã¿åˆã‚ã›ãŸç›£è¦–æ‰‹æ³•ã«ã¤ã„ã¦)ã«ç¶šãã¾ã™ ä»Šæ—¥ã‚ˆã†ã‚„ãã€ç©ã‚“èªçŠ¶æ…‹ã ã£ãŸã€ŒSoftware Design 2010å¹´1æœˆå·ã€ã‚’æ‰‹ã«å–ã£ãŸã®ã§ã™ãŒã€ç‰¹é›†ãŒã€Œä»Šæ—¥ã‹ã‚‰ä½¿ãˆã‚‹ã‚¹ã‚¯ãƒªãƒ—ãƒˆæº€è¼‰ï¼ã€€[ãƒ—ãƒç›´ä¼]ãŠæ‰‹è»½ã‚µãƒ¼ãƒç›£è¦–è¡“ã€ã€‚èˆˆå‘³æ·±ãæ‹èªã—ãŸã®ã§ã™ãŒã€ã‚‚ã£ã¨æ¥½ãŒã§ãã‚‹ã®ã«ã¨æ€ã†ã¨ã“ã‚ã‚‚ã€‚ã¡ã‚‡ã†ã©ã€æ˜¨å¹´æœ«ã«é‹ç”¨ã—ã¦ã„ã‚‹ã‚µãƒ¼ãƒ“ã‚¹ã€Œãƒ‘ã‚¹ãƒˆãƒ©ãƒƒã‚¯ã€ã®ã‚µãƒ¼ãƒã‚’ç§»è»¢ã—ã€crontab ã¨ perl ã§æ›¸ã‹ã‚ŒãŸã‚¹ã‚¯ãƒªãƒ—ãƒˆç¾¤ã‚’ä½¿ã£ãŸç›£è¦–ç’°å¢ƒã‚’æ§‹ç¯‰ã—ãŸã¨ã“ã‚ãªã®ã§ã€ãã“ã§ä½¿ã£ã¦ã„ã‚‹ã‚¹ã‚¯ãƒªãƒ—ãƒˆ cron log ã‚’ç´¹ä»‹ã—ãŸã„ã¨æ€ã„ã¾ã™ã€‚ ç‰¹é›†ã®å‰æ›¸ãã«ã‚‚æ›¸ã‹ã‚Œã¦ã„ã‚‹ã“ã¨ã§ã™ãŒã€ã‚µãƒ¼ãƒã‚„ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯æ©Ÿå™¨ãŒå¤šæ•°ã‚ã‚‹ç’°å¢ƒãªã‚‰ã€Nagios ã‚’å§‹ã‚ã¨ã™ã‚‹ã€å°‚ã‚‰ç›£è¦–ã®ãŸã‚ã«ä½œã‚‰ã‚ŒãŸã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã‚’ä½¿ã£ã¦ã€ç›£è¦–ã‚·ã‚¹ãƒ†ãƒ ã‚’æ§‹ç¯‰ã™ã¹ãã§ã™ã€‚é€†ã«å°è¦
YAK 2010/01/15
Linux

perl

ã‚µãƒ¼ãƒç®¡ç†

server

ç›£è¦–

ã‚µãƒ¼ãƒ

cron

tips
ãƒªãƒ³ã‚¯
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YAK 2010/01/06
scp

ssh

Tips

Linux
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YAK 2009/12/17
ã‚µãƒ¼ãƒç®¡ç†

tips

ã‚·ã‚¹ãƒ†ãƒ ç®¡ç†

linux
ãƒªãƒ³ã‚¯
IDEA * IDEA
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YAK 2009/09/07
ã‚³ãƒžãƒ³ãƒ‰ãƒ—ãƒãƒ³ãƒ—ãƒˆ

linux

tips

unixã‚³ãƒžãƒ³ãƒ‰

bash
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YAK 2009/06/21
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YAK 2009/05/11
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YAK 2009/04/06
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