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ablabo id:ablabo

unixã«é–¢ã™ã‚‹ablaboã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (21)

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FreeBSD ã‚«ãƒ¼ãƒãƒ«ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ« Accept Filter accp_http.cã‚’èªã¿è§£ã
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ablabo 2013/05/19
unix

linux
ãƒªãƒ³ã‚¯
AddDefaultCharset(core - Apache HTTP ã‚µãƒ¼ãƒ)
This directive enables operating system specific optimizations for a listening socket by the Protocol type. The basic premise is for the kernel to not send a socket to the server process until either data is received or an entire HTTP Request is buffered. Only FreeBSD's Accept Filters, Linux's more primitive TCP_DEFER_ACCEPT, and Windows' optimized AcceptEx() are currently supported. Using none fo
ablabo 2013/05/19
acceptfilterãƒ‡ã‚£ãƒ¬ã‚¯ãƒ†ã‚£ãƒ–ã®èª¬æ˜Ž

unix

apache

linux
ãƒªãƒ³ã‚¯
xargs ã‚’ä½¿ã£ã¦ã‚«ã‚¸ãƒ¥ã‚¢ãƒ«ã«ä¸¦åˆ—å‡¦ç† - ãŸã”ã‚‚ã‚Šã™ãƒ¡ãƒ¢
ã‚·ã‚§ãƒ«ã‹ã‚‰ã§ã‚‚é‡ã„å‡¦ç†ã¨ã„ã†ã®ã¯ã¡ã‚‡ã“ã¡ã‚‡ã“ã‚ã£ã¦ã€ä¾‹ãˆã°è¶…ãƒ‡ã‚«ã„ãƒã‚°ãƒ•ã‚¡ã‚¤ãƒ«ã‚’ç§»å‹•ã—ã¦åœ§ç¸®ã—ãŸã‚Šã¨ã„ã†ãŠä»•äº‹ã¯ä¸–ç•Œä¸ã®ã‚ã‚‰ã‚†ã‚‹å ´æ‰€ã§æ¯Žæ—¥è¡Œã‚ã‚Œã¦ã„ãŸã‚Šã™ã‚‹ã€‚ã‚³ãƒžãƒ³ãƒ‰ãƒ©ã‚¤ãƒ³ã‹ã‚‰ã§ã‚‚å¤§é‡ã®åœ§ç¸®æ¸ˆã¿ãƒã‚°ãƒ•ã‚¡ã‚¤ãƒ«ã‚’ã„ã£ãºã‚“ã«å±•é–‹ã—ãŸã„ã€ã¨ã‹ã€‚ ã‚ã‚‹ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªä»¥ä¸‹ã«å˜åœ¨ã™ã‚‹ãŸãã•ã‚“ã®ãƒ•ã‚¡ã‚¤ãƒ«ã‚’(åœ§ç¸®æ¸ˆã¿ã®ã‚‚ã®ã‚’é™¤ã„ã¦)å…¨éƒ¨ bzip2 åœ§ç¸®ã—ãŸã„ï¼ã¨æ€ã£ãŸã‚‰ã€ã¨ã‚Šã‚ãˆãšã•ãã£ã¨æ¬¡ã®ã‚ˆã†ã«ã‚³ãƒžãƒ³ãƒ‰ãƒ©ã‚¤ãƒ³ã§å©ã‘ã°ã„ã„ã€‚ $ find . -not -name '*.bz2' | xargs bzip2 ã“ã‚Œã§ã€ã¾ã‚ãã‚“ãªã«å•é¡ŒãªãåŠ¹çŽ‡çš„ã«bzip2åœ§ç¸®ãŒã§ãã‚‹ã€‚ã ãŒã—ã‹ã—ã€‚ æœ€è¿‘ã¯è¤‡æ•°ã‚³ã‚¢ã®CPUãŒæ™®é€šã«è»¢ãŒã£ã¦ã‚‹ã—ã€ã‚ã¾ã¤ã•ãˆHyperThreadingãŒæœ‰åŠ¹ã«ãªã£ã¦ãŸã‚Šã—ã¦OSã‹ã‚‰è¦‹ãˆã‚‹è«–ç†CPUæ•°ãŒãƒãƒ³ãƒ‘ãªã„ã€‚æ™®é€šã«8ã¨ã‹ã‚ã‚‹ã€‚ãã®ä¸€æ–¹ã§è¤‡æ•°ã‚³ã‚¢ã‚’ä½¿ç”¨ã—ã¦ãã‚Œã‚‹ã‚³ãƒžãƒ³ãƒ‰ã¨ã„ã†ã®ã¯ã‚ã‚“ã¾ã‚Šãªãã¦
ablabo 2012/03/19
cpuã‚’æ´»ç”¨ã—ãã‚‹

command

unix

tips
ãƒªãƒ³ã‚¯
syncã‚³ãƒžãƒ³ãƒ‰ã®ä½¿ã„æ–¹: UNIX/Linuxã®éƒ¨å±‹
UNIX ã§ã¯ã€ãƒ•ã‚¡ã‚¤ãƒ«ã¸ã®æ›¸ãè¾¼ã¿ãŒã‚ã‚‹ã¨ OS ãŒä¸€æ™‚çš„ã«ã‚ãƒ£ãƒƒã‚·ãƒ¥ã—ã€å¾Œã‹ã‚‰ã¾ã¨ã‚ã¦ãƒ‡ã‚£ã‚¹ã‚¯ã«æ›¸ãè¾¼ã‚€ã“ã¨ã§ä½™è¨ˆãªãƒ‡ã‚£ã‚¹ã‚¯ã‚¢ã‚¯ã‚»ã‚¹ã‚’æ¸›ã‚‰ã—ã¦ã„ã‚‹ã€‚ã—ã‹ã— OS ã‚’çµ‚äº†ã•ã›ã‚‹éš›ã¯ã€ã‚ãƒ£ãƒƒã‚·ãƒ¥ã‚’ã‚¯ãƒªã‚¢ã—ã¦ãƒ‡ã‚£ã‚¹ã‚¯ã«æ›¸ãè¾¼ã‚€å¿…è¦ãŒã‚ã‚‹ã€‚sync ã¯ã‚ãƒ£ãƒƒã‚·ãƒ¥ã®å†…å®¹ã‚’ã€å¼·åˆ¶çš„ã«ãƒ‡ã‚£ã‚¹ã‚¯ã«åæ˜ ã•ã›ã‚‹ã‚³ãƒžãƒ³ãƒ‰ã§ã‚ã‚‹ã€‚ shutdown ã‚„ reboot ã€halt ã‚³ãƒžãƒ³ãƒ‰ã§ OS ã‚’çµ‚äº†ã•ã›ã‚‹å ´åˆã¯ã€å†…éƒ¨ã§ sync ã«ç›¸å½“ã™ã‚‹ä½œæ¥ãŒè¡Œã‚ã‚Œã‚‹ã®ã§ã€ã‚ã–ã‚ã– sync ã‚’ä½¿ã†å¿…è¦ã¯ãªã„ã€‚ã¾ãŸã€
ablabo 2010/10/18
command

unix
ãƒªãƒ³ã‚¯
ä¸Šã«è¡Œãcdä½œã£ãŸ - hitode909ã®æ—¥è¨˜
ã‚·ã‚§ãƒ«ã§ï¼Œä¸Šã®ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã«è¡Œãã®ãŒã‚ã‚“ã©ãã•ãã¦ï¼Œcd ../../../../ã¨ã‹ã—ãªã„ã¨ã„ã‘ãªãã¦ï¼ŒæŒ‡ã‚’ç—›ã‚ã‚‹ï¼Ž ä¸Šã«è¡ŒããŸã‚ã®upã£ã¦ã„ã†ã‚³ãƒžãƒ³ãƒ‰ã‚’ä½œã‚‹ã“ã¨ã«ã—ãŸï¼Ž ãã®1 up 3ã£ã¦ã‚„ã‚‹ã¨ï¼Œ3ã¤ä¸Šã«è¡Œãã®ã‚’ä½œã£ãŸï¼Ž function up() { i=0 while [ $i -lt $1 ] do cd ../ i=`expr $i + 1` done } ä½¿ã„æ–¹ % pwd /Users/fkd/co/dev/dotfiles % up 3 % pwd /Users/fkd %ã“ã‚Œã¯ä½¿ã„ã«ããã¦ï¼Œcd ../../ã£ã¦æ‰“ã¤ã¨ãã¯ï¼Œã„ãã¤ä¸Šã«è¡Œãã‹è€ƒãˆãªãŒã‚‰ï¼Œ../ã£ã¦æ‰“ã£ã¦ã‚‹ï¼Žã“ã‚Œã ã¨ï¼Œå…ˆã«æ•°ãˆã¦ãŠã‹ãªã„ã¨ã„ã‘ãªãã¦ï¼Œé›£ã—ã‹ã£ãŸï¼Ž ãã®ï¼’ è€ƒãˆãªãŒã‚‰å…¥åŠ›ã§ãã‚‹ã‚ˆã†ã«ã—ã¦ã¿ãŸï¼Žå¼•æ•°ã®æ•°ã ã‘è¦‹ã‚‹ï¼Ž function up() { i=0 while [ $i -lt $# ]
ablabo 2010/10/02
unix

command

tips
ãƒªãƒ³ã‚¯
Linuxã‚³ãƒžãƒ³ãƒ‰ã§ãƒ†ã‚ã‚¹ãƒˆãƒ‡ãƒ¼ã‚¿ã‚’è‡ªåœ¨ã«æ“ã‚‹ - ã˜ã£ãã‚Šã‚³ãƒˆã‚³ãƒˆç…®è¾¼ã‚“ã ã¿ã‹ã‚“
Linuxã§ãƒ†ã‚ã‚¹ãƒˆãƒ‡ãƒ¼ã‚¿ã‚’æ‰±ã†ã¨ãã«ã€ã‚³ãƒžãƒ³ãƒ‰ã‚’ãƒ‘ã‚¤ãƒ—ã§ç¹‹ã’ã‚‹ã ã‘ã§ã„ã‚ã„ã‚ãªå‡¦ç†ãŒã§ãã¦é¢ç™½ã„ã®ã§ã™ãŒã€ç¶ºéº—ã«æ•´ç†ã•ã‚Œã¦ã„ãªã„æ°—ãŒã™ã‚‹ã®ã§ã¾ã¨ã‚ã¦ã¿ã¾ã™ã€‚ã“ã“ã§ã¯ã€cat, paste, join, grep, head, tail, cut, awk, sed, tr, sort, uniq, wc ã‚’å–ã‚Šä¸Šã’ã¾ã™ã€‚ ãƒ•ã‚¡ã‚¤ãƒ«ã‚’ç¸¦ã«çµåˆ ãƒ•ã‚¡ã‚¤ãƒ«ã‚’ç¸¦ã«çµåˆã—ã¾ã™ã€‚ ã‚³ãƒžãƒ³ãƒ‰ èª¬æ˜Ž cat file1 file2 ... file1, file2, ... ã‚’ç¸¦ã«çµåˆ cat file | ... ã¨ã—ã¦ãƒ•ã‚¡ã‚¤ãƒ«ã®ä¸èº«ã‚’ãƒ‘ã‚¤ãƒ—ã«æµã™ã®ã«ã‚‚ã‚ˆãä½¿ã„ã¾ã™ã€‚ ãƒ•ã‚¡ã‚¤ãƒ«ã‚’æ¨ªã«çµåˆ ãƒ•ã‚¡ã‚¤ãƒ«ã‚’æ¨ªã«çµåˆã—ã¾ã™ã€‚ã‚ã¾ã‚Šä½¿ã‚ãªã„ï¼Ÿ*1 ã‚³ãƒžãƒ³ãƒ‰ èª¬æ˜Ž paste file1 file2 .. file1, file2, ... ã‚’æ¨ªã«çµåˆ join file1 file2 file1 ã¨ file2
ablabo 2010/09/21
tips

unix

command
ãƒªãƒ³ã‚¯
ã‚·ã‚§ãƒ«ã‚¹ã‚¯ãƒªãƒ—ãƒˆ å¼•æ•°ã®å‡¦ç†æ–¹æ³•
ã‚µãƒ¼ãƒ“ã‚¹çµ‚äº†ã®ãŠçŸ¥ã‚‰ã› ã„ã¤ã‚‚Yahoo! JAPANã®ã‚µãƒ¼ãƒ“ã‚¹ã‚’ã”åˆ©ç”¨ã„ãŸã ãèª ã«ã‚ã‚ŠãŒã¨ã†ã”ã–ã„ã¾ã™ã€‚ ãŠå®¢æ§˜ãŒã‚¢ã‚¯ã‚»ã‚¹ã•ã‚ŒãŸã‚µãƒ¼ãƒ“ã‚¹ã¯æœ¬æ—¥ã¾ã§ã«ã‚µãƒ¼ãƒ“ã‚¹ã‚’çµ‚äº†ã„ãŸã—ã¾ã—ãŸã€‚ ä»Šå¾Œã¨ã‚‚Yahoo! JAPANã®ã‚µãƒ¼ãƒ“ã‚¹ã‚’ã”æ„›é¡§ãã ã•ã„ã¾ã™ã‚ˆã†ã€ã‚ˆã‚ã—ããŠé¡˜ã„ã„ãŸã—ã¾ã™ã€‚
ablabo 2010/08/30
unix

tips
ãƒªãƒ³ã‚¯
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ablabo 2010/07/27
unix

tips

command
ãƒªãƒ³ã‚¯
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ablabo 2010/07/16
tips

unix

command
ãƒªãƒ³ã‚¯
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ablabo 2010/04/10
unix

command

tips
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ablabo 2008/04/13
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ablabo 2007/04/03
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