1.安装MUTT邮件客户端
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# yum install mutt -y |
2.创建脚本
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# vi /etc/rc.d/mail_to_bak_daily.sh |
版本一:
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#!/bin/bash # ========================================================= # 请输入,你想让备份数据放置到哪个独立的目录区 basedir= /backup/daily # ========================================================= PATH= /bin : /usr/bin : /sbin : /usr/sbin :: /usr/local/bin : /usr/local/sbin : /usr/local/mysql/bin ; export PATH export LANG=C # 定义数据库信息 user=root passwd =123456 # 定义mysql备份路径 mysql_db_bak=$basedir /mysql_db_bak/ $( date +%F_%H%M) [ ! -d "$mysql_db_bak" ] && mkdir -p $mysql_db_bak # 定义www备份路径 www_src_bak=$basedir /www_src_bak/ $( date +%F_%H%M) [ ! -d "$www_src_bak" ] && mkdir -p $www_src_bak # 定义邮件附件路径 mail_attach_mysql=$mysql_db_bak /wordpress .sql mail_attach_www=$www_src_bak /www . tar .bz2 # 定义邮件标题 mail_subject= "www.example.com_daily_backup" # 注:这里的标题之间的字符不能有空格,如有空格会按照邮件名发出,例如daily@www.example.com,backup@www.example.com 本例以下划线代替 # 定义邮件内容 mail_content= /tmp/mail_content .txt mail_code= "send MySQL_BAK and WWW_SRC to you at $(date +%F_%H%M)" # 定义邮件地址 mail_address= "test@example.com" # 1. 备份MySQL (数据库目录在/usr/local/mysql) mysqldump -u $user -p$ passwd --opt --skip-lock-tables --flush-logs --database wordpress > $mysql_db_bak /wordpress .sql # 2.备份www源代码: cd /usr/local tar -jpcf $www_src_bak /www . tar .bz2 www # 3.邮件正文 cd /tmp echo $mail_code > $mail_content # 4.发送附件 yum install mutt -y cat $mail_content |mutt -s $mail_subject -a $mail_attach_mysql -a $mail_attach_www -- $mail_address # 5.清除临时文件 cd /tmp rm -rf $mail_content |
版本二:推荐
注:此版本将附件分开发送,对邮箱同时发送多个大附件有收不到的几率的情况,可按照如下版本重新配置
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#!/bin/bash PATH= /bin : /usr/bin : /sbin : /usr/sbin :: /usr/local/bin : /usr/local/sbin : /usr/local/mysql/bin ; export PATH export LANG=C # 系统文件备份路径 basedir= /backup/daily # 数据库信息 user=root passwd =123456 # 定义mysql备份路径 mysql_db_bak=$basedir /mysql_db_bak/ $( date +%F_%H%M) if [ ! -d "$mysql_db_bak" ]; then mkdir -p $mysql_db_bak fi # 定义www备份路径 www_src_bak=$basedir /www_src_bak/ $( date +%F_%H%M) if [ ! -d "$www_src_bak" ]; then mkdir -p $www_src_bak fi # 备份文件 mysql_bak=$mysql_db_bak /wordpress .sql.gz www_bak=$www_src_bak /www . tar .bz2 # 定义备份文件作为附件的数组 all_bak=($mysql_bak $www_bak) # 邮件标题 mail_subject= "www.showerlee.com_daily_backup" # 邮件内容 mail_content_mysql= "send MySQL_BAK at $(date +%F_%H%M)" mail_content_www= "send WWW_SRC at $(date +%F_%H%M)" # 定义内容数组 mail_content=( "$mail_content_mysql" "$mail_content_www" ) # 邮件地址 mail_address= "test@example.com" # 1. 备份MySQL (数据库目录在/usr/local/mysql) mysqldump -u $user -p$ passwd --opt --skip-lock-tables --flush-logs --database wordpress | gzip > $mysql_bak # 2.备份www源代码: cd /usr/local tar -jpcf $www_bak www # 3.发送附件 yum install mutt -y for ((i=0; i!=${ #all_bak[@]}; ++i)) { echo ${mail_content[i]} | mutt -s $mail_subject $mail_address -a ${all_bak[i]} } # 4.清理mutt临时文件 cat /dev/null > ~ /sent |
版本三:
实现rar分割并附件发送
推荐附件超过50M的用户使用
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#/bin/bash PATH= /bin : /usr/bin : /sbin : /usr/sbin :: /usr/local/bin : /usr/local/sbin : /usr/local/mysql/bin ; export PATH export LANG=C # 系统文件备份路径 basedir= /data/backup/daily # 数据库信息 user=root passwd =123456 # 安装rar rar=$(rar | grep RAR | awk '{print $1}' | sed -n '1p' ) if [ $? != 0 ]; then rar=null fi sys_version=$( uname -m) rar_path= "/usr/local/rar" if [ $rar != 'RAR' ]; then if [ $sys_version == 'x86_64' ]; then wget http: //www .rarlab.com /rar/rarlinux-x64-4 .2.0. tar .gz tar zxvf rarlinux-x64-4.2.0. tar .gz mv rar $rar_path cd $rar_path make else wget http: //www .rarlab.com /rar/rarlinux-4 .2.0. tar .gz tar zxvf rarlinux-4.2.0. tar .gz mv rar $rar_path cd $rar_path make fi fi # 定义mysql备份路径 mysql_db_bak=$basedir /mysql_db_bak/ $( date +%F_%H%M) if [ ! -d "$mysql_db_bak" ]; then mkdir -p $mysql_db_bak fi # 定义www备份路径 www_src_bak=$basedir /www_src_bak/ $( date +%F_%H%M) if [ ! -d "$www_src_bak" ]; then mkdir -p $www_src_bak fi # 备份文件 mysql_bak=$mysql_db_bak /test .sql.gz www_bak=$www_src_bak /www .rar www_bak_part1=$www_src_bak /www .part1.rar www_bak_part2=$www_src_bak /www .part2.rar www_bak_part3=$www_src_bak /www .part3.rar # 定义附件数组 all_bak=($mysql_bak $www_bak_part1 $www_bak_part2 $www_bak_part3) # 邮件标题 mail_subject= "showerlee.com_and_yanwenbo.cn_daily_backup" # 邮件内容 mail_content_mysql= "send MySQL_BAK at $(date +%F_%H%M)" mail_content_www_p1= "send WWW_SRC rarball part1 at $(date +%F_%H%M)" mail_content_www_p2= "send WWW_SRC rarball part2 at $(date +%F_%H%M)" mail_content_www_p3= "send WWW_SRC rarball part3 at $(date +%F_%H%M)" # 定义内容数组 mail_content=( "$mail_content_mysql" "$mail_content_www_p1" "$mail_content_www_p2" "$mail_content_www_p3" ) # 邮件地址 mail_address1= "showerlee@vip.qq.com" mail_address2= "kevinywb@vip.qq.com" # 1. 备份MySQL mysqldump -u $user -p$ passwd --opt --skip-lock-tables --flush-logs --database test | gzip > $mysql_bak # 2.备份www源代码(分割若干个45m的tar包) if [ -z $rar ]; then exit 0 fi cd /data rar a -v45000k $www_bak www # 3.发送附件 for ((i=0; i!=${ #all_bak[@]}; ++i)) { if [ -f ${all_bak[i]} ]; then echo ${mail_content[i]} | mutt -s $mail_subject $mail_address1 $mail_address2 -a ${all_bak[i]} else echo ${mail_content[i]} | mutt -s $mail_subject $mail_address1 $mail_address2 -a $www_bak break fi } # 4.清理mutt临时文件 cat /dev/null > ~ /sent # 5.清理1个月前的备份文件 dir = /data/backup/daily/ find $ dir -mtime +30 - type d -name "201*" -print | xargs -i rm -rf {} 2> /dev/null # 6.释放系统缓存 echo 1 > /proc/sys/vm/drop_caches |
注:如果报如下错误
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postdrop: warning: uid=0: File too large sendmail: fatal: root(0): message file too big Error sending message, child exited 75 (Deferred.). Could not send the message. |
是由于超过系统默认发送附件大小,修改成如下大小即可(2G)
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# postconf -e "message_size_limit = 2048000000" # postconf -e "mailbox_size_limit = 2048000000" |
3.执行脚本
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# sh /etc/rc.d/mail_to_bak_daily.sh |
注:可利用 tail -f /var/log/maillog 查看发送日志
4.测试结果如图:
注:附件较大请耐心等待