[B! unix] exp777ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

exp777 id:exp777

unixã«é–¢ã™ã‚‹exp777ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (7)

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ä¸èº«ãŒãƒ©ãƒ³ãƒ€ãƒ ãªãƒ•ã‚¡ã‚¤ãƒ«ã‚’ä»»æ„ã®ã‚µã‚¤ã‚ºã§ä½œæˆã™ã‚‹
ä¸èº«ãŒãƒ©ãƒ³ãƒ€ãƒ ãªãƒ•ã‚¡ã‚¤ãƒ«ã‚’ä»»æ„ã®ã‚µã‚¤ã‚ºã§ä½œæˆã—ã¾ã™ã€‚/dev/urandomã¨ã„ã†ãƒ•ã‚¡ã‚¤ãƒ«ã¨headã‚³ãƒžãƒ³ãƒ‰ã‚’åˆ©ç”¨ã—ã¾ã™ã€‚ ã‚³ãƒžãƒ³ãƒ‰ä¸€ç™ºã§å¤§ããªãƒ•ã‚¡ã‚¤ãƒ«ã§ã‚‚ä½œæˆã§ãã‚‹ã®ã§ãªã‹ãªã‹ä¾¿åˆ©ã§ã™ã€‚ ä¾‹ã¨ã—ã¦ã€ä¸èº«ãŒãƒ©ãƒ³ãƒ€ãƒ ã§ã€ã‚µã‚¤ã‚ºã‚’200Mbyteã«æŒ‡å®šã—ãŸãƒ•ã‚¡ã‚¤ãƒ«ã‚’ä½œæˆã—ã¾ã™ã€‚ Last Update : 2008å¹´12æœˆ09æ—¥ ä¸èº«ãŒãƒ©ãƒ³ãƒ€ãƒ ãªãƒ•ã‚¡ã‚¤ãƒ«ã‚’ä»»æ„ã®ã‚µã‚¤ã‚ºã§ä½œæˆã™ã‚‹æ‰‹é † /dev/urandom ã«ã¤ã„ã¦ head ã‚³ãƒžãƒ³ãƒ‰ã«ã¤ã„ã¦ ä¸èº«ãŒãƒ©ãƒ³ãƒ€ãƒ ãª200Mbyteã®ãƒ•ã‚¡ã‚¤ãƒ«ã‚’ä½œæˆã—ã¦ã¿ã‚‹ 1. /dev/urandom ã«ã¤ã„ã¦ /dev/urandomã¨ã„ã†ãƒ•ã‚¡ã‚¤ãƒ«ã¯ã€ã‚«ãƒ¼ãƒãƒ«ä¹±æ•°ã‚¸ã‚§ãƒãƒ¬ãƒ¼ã‚¿ã¸ã®ã‚¤ãƒ³ã‚¿ãƒ•ã‚§ãƒ¼ã‚¹ã¨ã—ã¦ã‚·ã‚¹ãƒ†ãƒ ã¸ä½œæˆã•ã‚Œã¦ã„ã¾ã™ã€‚ è¦ã¯ä¹±æ•°ã‚’ç”Ÿæˆã—ã¦ãã‚Œã‚‹ãƒ•ã‚¡ã‚¤ãƒ«ã§ã™ã€‚å˜ç´”ã«ãƒ•ã‚¡ã‚¤ãƒ«ã¨ã—ã¦å˜åœ¨ã—ã¦ã„ã‚‹ã®ã§ä½•ã‹ã®ã‚³ãƒžãƒ³ãƒ‰ã§ä¸èº«ã‚’å‡ºåŠ›ã™ã‚‹ã¨ãƒ©ãƒ³ãƒ€ãƒ ãªå€¤ã‚’å‡ºåŠ›ã—ã¦ãã‚Œã¾
exp777 2012/09/20
unix
ãƒªãƒ³ã‚¯
ãƒ¡ãƒ¢æ›¸ã : mwSoft blog
exp777 2011/10/23
unix
ãƒªãƒ³ã‚¯
ã‚·ã‚§ãƒ«ã‚¹ã‚¯ãƒªãƒ—ãƒˆã®è¨ç½®å ´æ‰€ã«ç§»å‹•ã—ã¦ã‹ã‚‰ã®ã‚³ãƒžãƒ³ãƒ‰å®Ÿè¡Œ - yuu_nkjm blog(2011-02-05)
yuu_nkjm@twitter Yuu NAKAJIMA@Google Plus ã“ã®ã‚µã‚¤ãƒˆã«ã¤ã„ã¦ tDiaryã®ä½¿ã„æ–¹ã®ãƒ¡ãƒ¢(å€‹äººç”¨) .htaccess Apache CMS Cisco DF Eclipse Firefox FreeSoft Java KVM LVM Linux MSOffice MySQL Network PHP Pukiwiki Rè¨€èªž SVN Scrap TeX Troubleshooting VirtualBox Webã‚¢ãƒ—ãƒª Windows Windows 7 (64bit) X11 Xming backup bash bat coLinux command find grep misc openSUSE ssh syslog tDiary ã‚µãƒ¼ãƒã¾ã¨ã‚ å‡ºå¼µ å’Œé£Ÿ å²©æ³¢æ›¸åº— æŠ€è¡“æ›¸ ç‰©èªž ç”Ÿæ´» ç ”ç©¶ èªæ›¸ãƒã‚° é£Ÿã¹ãƒã‚° å…¨ã‚«ãƒ†ã‚´ãƒª | .htacces
exp777 2011/10/11
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unix
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æµ®æµªãƒ—ãƒã‚°ãƒ©ãƒžã®å§‹æœ«æ›¸:[Unix] å…¨ã¦ã®ã‚µãƒ–ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã‚’grep
grepã®æ¤œç´¢å¯¾è±¡ã®ãƒ•ã‚¡ã‚¤ãƒ«ãŒä¸€ã¤ã®ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã«ã¾ã¨ã¾ã£ã¦ã„ã‚‹ã®ãªã‚‰ã€ grep hoge *.c ã§ç°¡å˜ã«æ¤œç´¢ã§ãã‚‹ã‚“ã§ã™ãŒã€è¤‡æ•°ã®ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã«åˆ†æ•£ã—ã¦ã„ã‚‹ä¸ã‹ã‚‰æŽ¢ã™ã®ã«å›°ã£ã¦ã—ã¾ã„ã¾ã—ãŸã€‚ è¤‡æ•°ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆã«åˆ†ã‹ã‚Œã¦ã„ã¦ã‚‚ã€ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã®éšŽå±¤ãŒã™ã¹ã¦åŒãƒ¬ãƒ™ãƒ«ãªã‚‰ã°ã€ grep hoge */*.c ã£ã¦ã§ãã‚‹ã‚“ã§ã™ãŒã€éšŽå±¤ãŒã¾ã¡ã¾ã¡ã®å ´åˆã«ã¯ã“ã‚Œã‚‚ä½¿ãˆãªã„ã€‚ ã¨ã„ã†ã“ã¨ã§ã€findã‚³ãƒžãƒ³ãƒ‰ã¨ã®åˆã‚ã›æŠ€ã‚’æ•™ãˆã¦ã‚‚ã‚‰ã„ã¾ã—ãŸã€‚ find . -name '*.c' | xargs grep hoge ã‚ã‚‹ã„ã¯ã€ find . -name '*.c' -exec grep hoge {} /dev/null \; grepã®å¼•æ•°ã«"/dev/null"ãŒä»˜ã„ã¦ã„ã‚‹ã®ã¯ã€å¯¾è±¡ãƒ•ã‚¡ã‚¤ãƒ«ãŒï¼‘ã¤ã®å ´åˆã«ã‚‚ãƒ•ã‚¡ã‚¤ãƒ«åã‚’è¡¨ç¤ºã•ã›ã‚‹ãŸã‚ã€‚ ã€è¿½è¨˜ã€‘ã‚³ãƒ¡ãƒ³ãƒˆã§grepã®ã¿ã§ã§ãã‚‹æ–¹æ³•ã‚’æ•™ãˆã¦è²°ã„ã¾ã—ãŸ(f
exp777 2010/12/14
grepä»¥å¤–ã«ã‚‚ä½¿ãˆã‚‹

unix
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m4 : GNU macro processor
GNU m4ã¯UNIXã«å¤ãã‹ã‚‰ã‚ã‚‹ãƒžã‚¯ãƒãƒ—ãƒã‚»ãƒƒã‚µã®å®Ÿè£…ã§ã™ã€‚ SVR4ç‰ˆã¨ã»ã¼äº’æ›æ€§ãŒã‚ã‚Šã¾ã™ãŒã€ã„ãã¤ã‹ã®æ©Ÿèƒ½ãŒæ‹¡å¼µãŒã•ã‚Œã¦ã„ã¾ã™ (ãŸã¨ãˆã°ã€9å€‹ã‚’è¶…ãˆã‚‹ä½ç½®ãƒ‘ãƒ©ãƒ¡ãƒ¼ã‚¿ã‚’ãƒžã‚¯ãƒã§æ‰±ã†ã“ã¨ãŒã§ãã¾ã™)ã€‚ m4ã«ã¯ãƒžã‚¯ãƒã®å±•é–‹æ©Ÿèƒ½ã«åŠ ãˆã€ãƒ•ã‚¡ã‚¤ãƒ«ã®ã‚¤ãƒ³ã‚¯ãƒ«ãƒ¼ãƒ‰ã€ ã‚·ã‚§ãƒ«ã‚³ãƒžãƒ³ãƒ‰ã®å®Ÿè¡Œã€è¨ˆç®—ã€ãã®ä»–ã®ãŸã‚ã®é–¢æ•°ã‚‚çµ„ã¿è¾¼ã¾ã‚Œã¦ã„ã¾ã™ã€‚ Autoconfã§`configure'ã‚¹ã‚¯ãƒªãƒ—ãƒˆã‚’ç”Ÿæˆã™ã‚‹ã«ã¯GNU m4ãŒ å¿…è¦ã§ã™ãŒã€ãã®ã‚¹ã‚¯ãƒªãƒ—ãƒˆã‚’å®Ÿè¡Œã™ã‚‹ã¨ãã«ã¯å¿…è¦ã‚ã‚Šã¾ã›ã‚“ã€‚ RenÃ© SeindalãŒGNU m4ã‚’æœ€åˆã«æ›¸ãã¾ã—ãŸã€‚ ç¶šã„ã¦ã€Franc,ois Pinardã‚„ãã®ä»–ã®ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆä¸Šã®ãƒœãƒ©ãƒ³ãƒ†ã‚£ã‚¢ãŸã¡ãŒ å¤‰æ›´ã‚’è¡Œãªã„ã¾ã—ãŸã€‚ã“ã‚Œã‚‰ã®äººãŸã¡ã®æ°åãŠã‚ˆã³é›»åãƒ¡ãƒ¼ãƒ«ã‚¢ãƒ‰ãƒ¬ã‚¹ã¯ã€ GNU m4ã®é…å¸ƒç”¨ã‚¢ãƒ¼ã‚«ã‚¤ãƒ–ãƒ•ã‚¡ã‚¤ãƒ«ã«å«ã¾ã‚Œã¦ã„ã‚‹`THANKS'ãƒ•ã‚¡ã‚¤ãƒ«ã« ã™ã¹ã¦è¨˜è¼‰ã•ã‚Œã¦ã„ã¾ã™
exp777 2010/12/07
unix

ãƒžã‚¯ãƒ

reference
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m4 ã¯UNIXã®æ¨™æº–ã‚³ãƒžãƒ³ãƒ‰ã®ï¼‘ã¤ã§ã‚ã‚Šã€å¤ã„æ´å²ã‚’æŒã¤ãƒžã‚¯ãƒãƒ—ãƒã‚»ãƒƒã‚µã§ã‚ã‚‹ã€‚ã—ã‹ã—ã€ã‚„ã‚„ä½¿ã„æ–¹ãŒé›£ã—ãã€ã—ã‹ã‚‚å¤å…¸åº¦ãŒé«˜ãå°‚é–€çš„ãªãŸã‚ã«ã€ã©ã†ã—ã¦ã‚‚ç´¹ä»‹ã®ãƒ—ãƒ©ã‚¤ã‚ªãƒªãƒ†ã‚£ãŒä¸‹ãŒã‚‹å‚¾å‘ãŒã‚ã£ã¦ã€æ—¥æœ¬èªžã§ãƒžãƒˆãƒ¢ã«æ›¸ã‹ã‚ŒãŸè§£èª¬ã«ãŠç›®ã«ã‹ã‹ã£ãŸã“ã¨ãŒãªã„ã€‚ãã“ã§ã€m4 ã«å¤šå°‘ã®çµŒé¨“å€¤ãŒã‚ã‚‹ç†è€…ãŒã‚ãˆã¦ m4 ã®ãƒãƒ¥ãƒ¼ãƒˆãƒªã‚¢ãƒ«ã‚’æ›¸ã„ã¦è¦‹ã›ã‚‹ã€‚åŸºæœ¬çš„ãªæƒ…å ±ã¯ m4 ã® info ã‹ã‚‰ä»•å…¥ã‚Œã¦ãŠã‚Šã€ãã‚Œã«ã„ã‚ã„ã‚ãªå®Ÿä¾‹ã‚’åŠ ãˆã¦æ›¸ã„ã¦ã„ã‚‹ã€‚ ãƒžã‚¯ãƒãƒ—ãƒã‚»ãƒƒã‚µ m4 ã¨ã¯ï¼Ÿ m4 ã®ä½¿ã„æ–¹ m4 ã®ãƒ‡ã‚£ãƒ¬ã‚¯ãƒ†ã‚£ãƒ– ãƒžã‚¯ãƒå®šç¾©ã«é–¢ã™ã‚‹ãƒ‡ã‚£ãƒ¬ã‚¯ãƒ†ã‚£ãƒ– ãƒžã‚¯ãƒç½®æ›ã®åŽŸå‰‡ ãƒžã‚¯ãƒå¼•æ•° undefine ã¨ include æ¡ä»¶åˆ†å² ãƒ«ãƒ¼ãƒ— ãƒ¡ã‚¿æ–‡å—ã®å…¥ã‚Œæ›ãˆ çµ„ã¿è¾¼ã¿æ–‡å—åˆ—å‡¦ç†é–¢æ•° ãã®ä»– ãƒžã‚¯ãƒãƒ—ãƒã‚»ãƒƒã‚µ m4 ã¨ã¯ï¼Ÿ m4 ã¯ãƒžã‚¯ãƒãƒ—ãƒã‚»ãƒƒã‚µã§ã‚ã‚‹ã€‚ã¤ã¾ã‚Šã€ï¼£ãƒ—ãƒªãƒ—ãƒã‚»ãƒƒã‚µ cpp ï¼ˆä»Šæ™‚ã ã¨ gcc -E
exp777 2010/12/04
unix

ãƒžã‚¯ãƒ

ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°
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ãªãœï¼Œ/var ã‚„ /etc ãŒ /etc ã‚„ /cfg ã¨ã„ã†ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªåã§ã¯ãªã„ã®ã‹ï¼Ÿ - NO!ã¨è¨€ãˆã‚‹ã‚ˆã†ã«ãªã‚ŠãŸã„
Unixã‚’ä½¿ã£ã¦ã„ã‚‹ã¨ï¼Œ/usr ãŒå…¨ç„¶ãƒ¦ãƒ¼ã‚¶ãƒ¼ç”¨ã˜ã‚ƒãªãã©ã†è¦‹ã¦ã‚‚ã‚·ã‚¹ãƒ†ãƒ ã®ãŸã‚ã®ç‰©ã ã£ãŸã‚Šï¼Œ/etc ãŒäº‹å®Ÿä¸Šè¨å®šãƒ•ã‚¡ã‚¤ãƒ«ç½®ãå ´ã¨ãªã£ã¦ã„ãŸã‚Šï¼Œ/var ãŒãƒã‚°ãƒ•ã‚¡ã‚¤ãƒ«ç½®ãå ´ã¨ãªã£ã¦ã„ãŸã‚Šã¨ï¼ŒåãŒä½“ã‚’ç¾ã—ã¦ã„ãªãã¦å¥‡å¦™ãªæ„Ÿè¦šã‚’è¦šãˆã‚‹ï¼Žã‚‚ã£ã¨åˆ†ã‹ã‚Šã‚„ã™ã„åå‰ã®ä»˜ã‘æ–¹ãŒã‚ã£ãŸã‚“ã˜ã‚ƒãªã„ã‹ã¨ï¼ŒUnixãƒ¦ãƒ¼ã‚¶ãƒ¼ãªã‚‰ã°èª°ã‚‚ãŒæ€ã†ã¯ãšã ãŒï¼Œã“ã‚Œã«å¯¾ã™ã‚‹è§£ç”ãŒredditã«æŠ•ç¨¿ã•ã‚Œã¦ãŠã‚Šï¼Œãã®å†…å®¹ãŒéžå¸¸ã«é¢ç™½ã‹ã£ãŸã®ã§ï¼Œè»½ãç¿»è¨³ã—ã¦ã¿ãŸï¼Ž Anyone know why /var and /etc weren't named something like /etc and /cfg? http://ja.reddit.com/r/linux/comments/cpisy/anyone_know_why_var_and_etc_werent_named/c0ua3mo æ˜”ã€…ï¼Œã‚·ã‚¹ãƒ†ãƒ 7ãŒä½¿ã‚ã‚Œã¦ã„ã¦U
exp777 2010/07/20
unix
ãƒªãƒ³ã‚¯
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