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Õ¾³¤£º Glen
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One Step Ahead
¼ÆËãmysql replicationÿÃëͬ²½Êý¾ÝµÄ´óС    2006-09-27 22:16:22

#!/usr/local/bin/bash
# Author: LG <lg@china-lg.com>
PATH=/usr/local/mysql/bin:/usr/local/sbin:/usr/sbin:/sbin:/usr/local/bin:/usr/bin:/bin
export PATH

_relay=`hostname |awk -F. '{print }'`
_relay_log="$_relay-relay-bin.*"

function replication()
{
_secB=`ls -l /usr/local/mysql/var/$_relay_log|grep -v "index"|awk '{print }'`
sleep $num
_secE=`ls -l /usr/local/mysql/var/$_relay_log|grep -v "index"|awk '{print }'`
_LOG=`exp...
Posted by glen in [shell] | ÆÀÂÛ:0 | ×Üä¯ÀÀ:505 | [´òÓ¡È«ÎÄ]

bcÖ¸ÁîµÄ»ù±¾Ó÷¨    2006-09-27 22:15:35




[/root#]a=12

[/root#]b=23

[/root#]echo "$a+$b"|bc

35

[/root#]echo "$a*$b"|bc

276

[/root#]a=12.34

[/root#]b=23.45

[/root#]echo "scale=1;$a*$b"|bc

289.37

[/root#]echo "scale=1;$a/$b"|bc #±£ÁôСÊýµã¾«¶ÈÖ»¶Ô³ý·¨ÓÐЧ

.5

[/root#]echo "scale=2;$a/$b"|bc

.52

[/root#]echo "obase=16;123"|bc #10½øÖÆ123ת»»³É16½øÖÆ

7B

[/root#]echo "obase=2;123"|bc #ת»»³É2½øÖÆ

1111011

...
Posted by glen in [shell] | ÆÀÂÛ:0 | ×Üä¯ÀÀ:512 | [´òÓ¡È«ÎÄ]

¼ì²é·þÎñÆ÷µÄÁ¬½Ó×´¿ö    2006-09-27 22:14:32

c_check_net.sh¡¡×÷ÓÃÊÇ£ºÏà¹Ø·þÎñÆ÷µÄÁ´½ÓÊý×´¿ö±¨¸æ
Ïêϸ˵Ã÷£º
¸Ã½Å±¾ÓÃÀ´¼ì²éij̨·þÎñÆ÷(web»òDB)µ±Ê±µÄÁ¬½ÓÇé¿ö£¬Èç¹ûÓÃÔÚweb·þÎñÆ÷ÉÏ£¬¿ÉÒÔ¼ì²éÔ¶³Ì
¼ÆËã»úÁ¬½Ó¸Ã·þÎñÆ÷80¶Ë¿ÚµÄÇé¿öÒÔ¼°¸Ã·þÎñÆ÷Á¬½ÓÏà¹ØDBµÄÇé¿ö;Èç¹ûÓÃÔÚdb·þÎñÆ÷ÉÏ£¬ËüÖ»
¿É¼ì²é³öÔ¶³Ì¼ÆËã»úÁ¬½Ó¸Ã·þÎñÆ÷3306¶Ë¿ÚµÄÇé¿ö.
ʹÓ÷½·¨£º
usage: ./c_check_net.sh <ip> <web or db> [mail]
ÕâÀïµÄ<>±íʾÊDZØÐ´µÄ²ÎÊý£¬[]±íʾ¿Éд¿É²»Ð´£¬Ö÷ÒªÓÃÀ´ÒÔÓʼþµÄ¸ñʽ·¢ËÍÆä¼ì²é½á¹û

Code:


#!/usr/l...
Posted by glen in [shell] | ÆÀÂÛ:0 | ×Üä¯ÀÀ:443 | [´òÓ¡È«ÎÄ]

DB·þÎñÆ÷ͬ²½×´¿ö±¨¸æ    2006-09-27 22:13:37


c_check_replication_log.sh ×÷ÓÃÊÇ£ºDB·þÎñÆ÷ͬ²½×´¿ö±¨¸æ.
Ïêϸ˵Ã÷£º
¸Ã½Å±¾ÓÃÀ´¼ì²éSlave DBÓëMaster DBÿÃëͬ²½ÈÕÖ¾µÄËÙÂÊÒÔ¼°¼ì²éSlave DBÓëMaster DBµÄÊý¾ÝÊÇ·ñÈ«²¿Í¬²½Íê±Ï.
ʹÓ÷½·¨£º
usage: ./c_check_replication_log.sh <ip> <sec> [mail]
ÕâÀïµÄ<>±íʾÊDZØÐ´µÄ²ÎÊý£¬[]±íʾ¿Éд¿É²»Ð´£¬Ö÷ÒªÓÃÀ´ÒÔÓʼþµÄ¸ñʽ·¢ËÍÆä¼ì²é½á¹û

Code:


#!/usr/local/bin/bash
# Author: LG <lg@china-lg.com>
PATH=/usr/local/mysql/bin:/usr/local/sbin:/usr/sbin:...
Posted by glen in [shell] | ÆÀÂÛ:0 | ×Üä¯ÀÀ:590 | [´òÓ¡È«ÎÄ]

±£Ö¤shell½Å±¾Ö´ÐÐΨһÐÔ    2006-09-27 22:12:53


# ¼ì²éͨ¹ýshÃüÁîÖ´ÐеÄshell½Å±¾ÊDz»ÊÇ»¹ÔÚÖ´Ðе±ÖÐ,±ÜÃâÖØ¸´Ö´ÐÐ.
# °ÑÕâ¶Î´úÂë·ÅÔÚÐèÒª±£Ö¤Î¨Ò»ÐԵijÌÐòÍ·²¿¼´¿É
# ×¢Ò⣬Èç¹ûÖ±½Ó°Ñ´Ë½Å±¾·Åµ½cronÀïÃæÖ´Ðеϰ£¬±ØÐëÔÙgrep -v " -c sh "ÒÔÅųýÓÉcron²úÉúµÄ½ø³Ì£¡
checkitem="# ¼ì²éͨ¹ýshÃüÁîÖ´ÐеÄshell½Å±¾ÊDz»ÊÇ»¹ÔÚÖ´Ðе±ÖÐ,±ÜÃâÖØ¸´Ö´ÐÐ.
# °ÑÕâ¶Î´úÂë·ÅÔÚÐèÒª±£Ö¤Î¨Ò»ÐԵijÌÐòÍ·²¿¼´¿É
# ×¢Ò⣬Èç¹ûÖ±½Ó°Ñ´Ë½Å±¾·Åµ½cronÀïÃæÖ´Ðеϰ£¬±ØÐëÔÙgrep -v " -c sh "ÒÔÅųýÓÉcron²úÉúµÄ½ø³Ì£¡
checkitem=""
let ...
Posted by glen in [shell] | ÆÀÂÛ:1 | ×Üä¯ÀÀ:486 | [´òÓ¡È«ÎÄ]

ÈÕÆÚ¸ñʽת»»µÄÎÊÌâ    2006-09-27 22:11:12

linux주
12 Apr 2006 22:33:39ת»»Îª£º2006-04-12 22:33:39

-bash-3.00# date "+%Y-%m-%d %H:%M:%S" -d '12 Apr 2006 22:33:39'
2006-04-12 22:33:39
-bash-3.00#
FreeBSDÏÂdateÖ¸ÁîµÄÓ÷¨ÓÐËù²»Í¬
1¡¢È¡µÃÌØ¶¨¸ñʽµÄÈÕÆÚ£¬±ÈÈç¡°2006-05-21 15:25¡±£¬µÄ·½Ê½ÊÇ
date "+%Y-%m-%d %H:%M"
2¡¢È¡µÃǰһÌìµÄʱ¼ä
date -j -v-1d "+%Y-%m-%d"
3¡¢È¡µÃµ±Ç°Ê±¼ä´Á
date "+%s"
4¡¢Ìṩһ¸öÌØ¶¨¸ñʽµÄÈÕÆÚ£¬²¢½«Æäת»»ÎªÆäËû¸ñʽ£¬±ÈÈ罫¡°2006-5-1 8:00¡±×ª»»Îªunix...
Posted by glen in [shell] | ÆÀÂÛ:2 | ×Üä¯ÀÀ:657 | [´òÓ¡È«ÎÄ]

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