Deleted articles cannot be recovered. Draft of this article would be also deleted. Are you sure you want to delete this article?
2014/8/28æ´æ° 対å¿ãã¼ã¸ã§ã³: 8.4 dateã³ãã³ãã使ã£ã¦æ¥æè¨ç®ãããã«ã¯--dateãªãã·ã§ã³ã«ç¶ãã¦æ¥æã¨è¨ç®ã®åä½ãæå®ããã°ããã æå®ã§ããåä½ã¯ä»¥ä¸ã®éãã å¹´: years æ: months æ¥: days æ: hours å: minutes ç§: seconds ããã«æ°åãã¤ãã¦ã2 days agoãã®ããã«èªç¶ãªãã¬ã¼ãºã§æå®ããã°æ¥ä»è¨ç®ããã£ã¦ãããã 以ä¸ã«ããã¤ããµã³ãã«ã示ããdateã¯GNUçã®æè¿ã®ãã¼ã¸ã§ã³ã§ããã°ç¹ã«åé¡ãªãã ããã % date --version date (GNU coreutils) 8.4 : 仿¥ãã5æ¥å¾ % date +%Y%m%d 20140827 % date --date "5 days" +%Y%m%d 20140901 2014/1/1ãã3æ¥å æ¥ä»ãæå®ããã¨ãã®æ¥ãèµ·ç¹ã«è¨ç®ãã
date ã³ãã³ã 2021/01/24 ç¾å¨ã®æå»ãåå¾ããããè¨å®ãããããã³ãã³ããOSãå»ãã§ããæ¥æãããã¦ããå ´åã¯ãroot権éã§ãã®ã³ãã³ãã使ã£ã¦æ£ããæ¥æãè¨å®ããã æå»ã®è¡¨ç¤ºãã©ã¼ããããæå®ãããã¨ãã§ããã ã30æ¥å¾ã¯ä½æ¥ãï¼ããªã©ã®ç°¡åãªæ¥æã®è¨ç®ãã§ããã ç¾å¨æ¥æã§ã¯ãªããå¦çã«ãããæéãæ¸¬å®ããã«ã¯timeã³ãã³ãã使ãã åºæ¬çãªä½¿ãæ¹ 2021/01/22 # ç¾å¨ã®æ¥æã表示 $ date # ç¾å¨ã®æ¥æãUTCã§è¡¨ç¤º $ date -u # ãã©ã¼ããã㯠+ ã§å§ã¾ãæ¸å¼ã§æå® $ date "+%Y%m%d-%H%M%S" # 24æéå¾ã®æ¥æã表示 $ date -d tomorrow # -d ã®ä»£ããã« --date ã§ãåã $ date --date tomorrow # 30æ¥å¾ã®æ¥ä»ã表示 date "+%Y/%m/%d"
ã¡ã¼ã«ãããã®æååã§åãåãæå¦ # vi /etc/postfix/header_checksãâãè¨å®ãã¡ã¤ã«ä½æ i ãã¼ï¼å ¥åã¢ã¼ãï¼ â» èµ¤åã®é¨åã¯ä¾ã§ãã®ã§åèªã®ç°å¢ã«åããã¦å¤æ´ãã¦ãã ããã X-Mailer: 大éé ä¿¡ãç®çã¨ããç¹æ®ãªã¡ã¼ã©ã¼ãããã¼ã¸ã§ã³çã«ç¹å¾´ã®ããã¡ã¼ã©ã¼ãåãåãæå¦ããããã«è¨å®ã /^X-Mailer:.*Dï¼ãï¼ï½ï½ï½ï½ ï½/i REJECT /^X-Mailer:.*ï¼ï¼¡ï¼³ï¼¡ï¼¹ï¼¡ï¼®/i REJECT Subject: ã¦ã£ã«ã¹ã¡ã¼ã«ãå§èªãåºåã¡ã¼ã«ã®ã¿ã¤ãã«ã¨ãã¦è¨è¼ããã¦ããæååãè¨è¼ãã¾ãã /^Subject:.*Re:Sample/ REJECT /^Subject:.*Re:Document/ REJECT From: 㨠Return-Path: ããããåãåãæå¦ãããã¡ã¼ã«ã¢ãã¬ã¹ãè¨è¼ãã¾ãã ã¡ã¼ã«ã¢ãã¬ã¹ã®ä¸
swatchã«ãããã°ã®å¸¸æç£è¦ ãã°ãç£è¦ãã¦ãç¹å®ã®æååãåºåãããã¨ç®¡çè ã¸ç¥ããããã¼ã«ã¨ãã¦ãswatchããããã¾ããsyslogdã®ããã¥ã¢ã«ã«ã¯ãç°å¸¸ãªãã°ãã¡ã¼ã«ã§éä¿¡ããããã§ã¯æé ãã§ãããã¨æ¸ããã¦ãã¾ãããå®éåé¡ã¨ãã¦ã¯å¯¾å¿ãé ãããã¨ã«ãªã£ã¦ãã¡ã¼ã«ã§ç°å¸¸ã確èªã§ããæ¹ãè¯ãç°å¢ãããã¨æããã¾ãã ã¾ãããã°ããªã¢ã«ã¿ã¤ã ã§ç£è¦ãã¦ããããã䏿£ã¢ã¯ã»ã¹ããã¦ãã¼ã«ã«ã®ãã°ã®æ¹ãããè¡ãããéããswatchãèµ·åãã¦ããã°å¿ è¦ãªæ å ±ã転éãã¦ãããã¨ãªã©ãå¯è½ã§ãããã®ããã«ãswatchã使ãã°ã»ãã¥ãªãã£ã¨éç¨é¢ã§æå¹ãªä»çµã¿ãä½ããã¨ãã§ãã¾ãã swatchã®ã¤ã³ã¹ãã¼ã« swatchã®ææ°ã®ãã¼ã¸ã§ã³ã¯3.0.4ã§ãï¼2002å¹´11æ2æ¥ç¾å¨ï¼ãhttp://www.oit.ucsb.edu/~eta/swatch/ããswatch-3.0.4
â ä»ã®ããã°ã©ãã³ã°è¨èªã¨åæ§ã« ï¼ ã使ç¨ããã ã·ã§ã«ã¹ã¯ãªããã§ã Cè¨èªãªã©ã¨åæ§ã« ï¼ ã使ç¨ãããã¨ã§å¤æ°ã«å¤ãè¨å®ãããã¨ãã§ããããã ããCè¨èªã¨ã¯éã ï¼ ã®åå¾ã«ã¹ãã¼ã¹ããã£ã¦ã¯ãããªãã ã¾ãã夿°åã®å¤§æåã¨å°æåã¯åºå¥ããããã夿° VAR ã¨å¤æ° var ã¯å¥ç©ã¨ãã¦æ±ããããããã«ã·ã§ã«å¤æ°ã«ãåãã¯åå¨ããªãã®ã§ãæååãæ°å¤ãåºå¥ãªãè¨å®ã§ããã ãã¤ã³ããã¾ã¨ããã¨ä»¥ä¸ã®ã¨ããã¨ãªãã = ã使ã å¤ã®è¨å®æã¯å¤æ°åã®å é ã« $ ãä»ããªã ($ ã¯åç §æã®ã¿) = ã®åå¾ã«ã¹ãã¼ã¹ãå ¥ããªã (åå¾ã«ã¹ãã¼ã¹ãããã¨ã¨ã©ã¼) åã¯åå¨ããªã (declare ã³ãã³ãã typeset ã³ãã³ãã§ä¼¼ããããªãã¨ãã§ãããæ¨å¥¨ã¯ããªã) 夿°åã®å¤§æåã»å°æåã¯åºå¥ããã (VAR 㨠var ã¯å¥ç©) ç¹ã«ã2ãã¯åå¿è ãç¯ããã¡ãªãã¹ãªã®ã§æ³¨æã
ä»äºã§ä½¿ããã¨ã«ãªã£ãã®ã§ãåå¿é²çã«ã¡ã¢ã¡ã¢ãLinuxã¨Windowsã§ããããCPU, HDD, ã¡ã¢ãªä½¿ç¨çãåå¾ãã¦ããã°ã¨ãã¦é½åº¦åãåºããã¨ããç°¡åãªã³ãã³ãã¨ãã®æ´»ç¨æ³ã調ã¹ã¾ããã Linux: CPU, ã¡ã¢ãªä½¿ç¨ç ãtopãã³ãã³ãã§åºåå¯è½ããªãã·ã§ã³ã¯ã-dããã³ãã³ãã®å®è¡ééãç§åä½ã§æå®ã§ãã¾ãã以ä¸ä¾ãCtrl+cã§ã³ãã³ããæ¢ããã¾ã§åºåãç¹°ãè¿ãã¾ãã [root@centos01] # top -d 60 >> top.txt â»topã³ãã³ãã60ç§ééã§å®è¡ããå®è¡çµæããtop.txtãã«åºå Linux: HDD使ç¨ç ãdfãã³ãã³ãã§åºåå¯è½ããã ãããtopãã¨éããä¸ååããã¨åä½ã忢ãã¦ãã¾ãã®ã§ãç¹°ãè¿ãå®è¡ããããã·ã§ã«ã¹ã¯ãªãããæ¸ãã¦ãããå¿ è¦ãããã¾ãã以ä¸ä¾ã - chkhdd.sh - while true do
ã¯ããã¾ãã¦ãããã¼ãã§ããã¿ãªãããããæã£ããã¨ã¯ãªãã§ããï¼ ããªã«ãããã§1åãããã ã¨ãããã¨ã§ä»åã¯MySQLã®ã¯ã¨ãªã ãã§ã1åãã¼ã¿ä½ã£ã¦ã¿ã¾ãããä½ã£ã¦ãªã«ãã§ãããã¨ããã¨ãåç´ã«ãã¼ã¿éã«å¯¾ãã¦ã®å¦çé度ããã¼ã¿å®¹éã®è¨æ¸¬ãã¾ãã¯1åãã¼ã¿ä½æãã¦ãã¤é¡ããéã«ä½¿ç¨ã§ãã¾ãã ããã§ã¯ãã£ããã§ã¯ããã¾ãããã¯ããããã¦ããã ãã¾ããã¡ãªã¿ã«ä»åå®è¡ããMySQLã®Verã¯5.5.16ã§ãã ã¾ãä»åã®å®é¨ã¨ãªããã¼ãã«ä½æã -- -- ãã¼ãã«ã®æ§é `sample` -- CREATE TABLE IF NOT EXISTS `sample` ( `id` int(11) NOT NULL AUTO_INCREMENT, `data` varchar(500) COLLATE utf8_unicode_ci NOT NULL, `create_date` da
ã¡ã³ããã³ã¹
ã©ã³ãã³ã°
ãç¥ãã
ãªãªã¼ã¹ãé害æ å ±ãªã©ã®ãµã¼ãã¹ã®ãç¥ãã
ææ°ã®äººæ°ã¨ã³ããªã¼ã®é ä¿¡
å¦çãå®è¡ä¸ã§ã
j次ã®ããã¯ãã¼ã¯
kåã®ããã¯ãã¼ã¯
lãã¨ã§èªã
eã³ã¡ã³ãä¸è¦§ãéã
oãã¼ã¸ãéã
{{#tags}}- {{label}}
{{/tags}}