#!/bin/bash # Shell script to backup MySql database  # To backup Nysql databases file to /backup dir and later pick up by your  # script. You can skip few databases from backup too. # For more info please see (Installation info): # http://www.cyberciti.biz/nixcraft/vivek/blogger/2005/01/mysql-backup-script.html  # Last updated: Aug - 2005 # -------------------------------------------------------------------- # This is a free shell script under GNU GPL version 2.0 or above # Copyright (C) 2004, 2005 nixCraft project # Feedback/comment/suggestions : http://cyberciti.biz/fb/ # ------------------------------------------------------------------------- # This script is part of nixCraft shell script collection (NSSC) # Visit http://bash.cyberciti.biz/ for more information. # ------------------------------------------------------------------------- MyUSER="SET-MYSQL-USER-NAME"   # USERNAME MyPASS="SET-PASSWORD"    # PASSWORD  MyHOST="localhost"     # Hostname # Linux bin paths, change this if it can not be autodetected via which command MYSQL="$(which mysql)" MYSQLDUMP="$(which mysqldump)" CHOWN="$(which chown)" CHMOD="$(which chmod)" GZIP="$(which gzip)" # Backup Dest directory, change this if you have someother location DEST="/backup" # Main directory where backup will be stored MBD="$DEST/mysql" # Get hostname HOST="$(hostname)" # Get data in dd-mm-yyyy format NOW="$(date +"%d-%m-%Y")" # File to store current backup file FILE="" # Store list of databases  DBS="" # DO NOT BACKUP these databases IGGY="test" [ ! -d $MBD ] && mkdir -p $MBD || : # Only root can access it! $CHOWN 0.0 -R $DEST $CHMOD 0600 $DEST # Get all database list first DBS="$($MYSQL -u $MyUSER -h $MyHOST -p$MyPASS -Bse 'show databases')" for db in $DBS do   skipdb=-1   if [ "$IGGY" != "" ];   then   for i in $IGGY   do     [ "$db" == "$i" ] && skipdb=1 || :   done   fi   if [ "$skipdb" == "-1" ] ; then   FILE="$MBD/$db.$HOST.$NOW.gz"   # do all inone job in pipe,   # connect to mysql using mysqldump for select mysql database   # and pipe it out to gz file in backup dir :)     $MYSQLDUMP -u $MyUSER -h $MyHOST -p$MyPASS $db | $GZIP -9 > $FILE   fi done

mysqldump: Couldn't execute 'show create table `general_log`': Table 'mysql.general_log' doesn't existmysqldump: Couldn't execute 'show create table `slow_log`': Table 'mysql.slow_log' doesn't exist

CREATE TABLE IF NOT EXISTS general_log (  event_time timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,  user_host mediumtext NOT NULL,  thread_id int(11) NOT NULL,  server_id int(10) unsigned NOT NULL,  command_type varchar(64) NOT NULL,  argument mediumtext NOT NULL ) ENGINE=CSV DEFAULT CHARSET=utf8 COMMENT='General log'; CREATE TABLE IF NOT EXISTS slow_log (  start_time timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,  user_host mediumtext NOT NULL,  query_time time NOT NULL,  lock_time time NOT NULL,  rows_sent int(11) NOT NULL,  rows_examined int(11) NOT NULL,  db varchar(512) NOT NULL,  last_insert_id int(11) NOT NULL,  insert_id int(11) NOT NULL,  server_id int(10) unsigned NOT NULL,  sql_text mediumtext NOT NULL ) ENGINE=CSV DEFAULT CHARSET=utf8 COMMENT='Slow log';

DumpFile=db$(date +%y%m%d)如果設置為這樣一定要將此腳本放備份目錄下才行。DumpFile="$BackupPath"db$(date +%y%m%d) 如果設置為這樣，日志中會有這樣的提示tar: Removing leading `/' from member names 是因為備份的目錄使用的是絕對路徑，不過這樣不影響數據，可以根據自己習慣而定。-------------------------------------------------------------------start#!/bin/bash#This is a ShellScript For Auto DB Backup#Powered by aspbiz#2004-09#Setting#設置數據庫名，數據庫登錄名，密碼，備份路徑，日志路徑，數據文件位置，以及備份方式#默認情況下備份方式是tar，還可以是mysqldump,mysqldotcopy#默認情況下，用root(空)登錄mysql數據庫，備份至/root/dbxxxxx.tgzDBName=mysqlDBUser=rootDBPasswd=BackupPath=/root/LogFile=/root/db.logDBPath=/var/lib/mysql/#BackupMethod=mysqldump#BackupMethod=mysqlhotcopy#BackupMethod=tar#Setting EndNewFile="$BackupPath"db$(date +%y%m%d).tgzDumpFile="$BackupPath"db$(date +%y%m%d)OldFile="$BackupPath"db$(date +%y%m%d --date='5 days ago').tgzecho "-------------------------------------------" >> $LogFileecho $(date +"%y-%m-%d %H:%M:%S") >> $LogFileecho "--------------------------" >> $LogFile#Delete Old Fileif [ -f $OldFile ]thenrm -f $OldFile >> $LogFile 2>&1echo "[$OldFile]Delete Old File Success!" >> $LogFileelseecho "[$OldFile]No Old Backup File!" >> $LogFilefiif [ -f $NewFile ]thenecho "[$NewFile]The Backup File is exists,Can't Backup!" >> $LogFileelsecase $BackupMethod inmysqldump)if [ -z $DBPasswd ]thenmysqldump -u $DBUser --opt $DBName > $DumpFileelsemysqldump -u $DBUser -p$DBPasswd --opt $DBName > $DumpFilefitar czvf $NewFile $DumpFile >> $LogFile 2>&1echo "[$NewFile]Backup Success!" >> $LogFilerm -rf $DumpFile;;mysqlhotcopy)rm -rf $DumpFilemkdir $DumpFileif [ -z $DBPasswd ]thenmysqlhotcopy -u $DBUser $DBName $DumpFile >> $LogFile 2>&1elsemysqlhotcopy -u $DBUser -p $DBPasswd $DBName $DumpFile >>$LogFile 2>&1fitar czvf $NewFile $DumpFile >> $LogFile 2>&1echo "[$NewFile]Backup Success!" >> $LogFilerm -rf $DumpFile;;*)/etc/init.d/mysqld stop >/dev/null 2>&1tar czvf $NewFile $DBPath$DBName >> $LogFile 2>&1/etc/init.d/mysqld start >/dev/null 2>&1echo "[$NewFile]Backup Success!" >> $LogFile;;esacfiecho "-------------------------------------------" >> $LogFile---------------------------------------------------------------------------------------------end