1.创建并编辑文件 /usr/sbin/bakmysql,命令:
vi /usr/sbin/bakmysql
内容如下:
1 db_user="root"
2 db_passwd="root"
3 db_name="db_test"
4 # the directory for story your backupfile.you shall change this dir
5backup_dir="/usr/software/backup/mysqlbackup"
6 # date format for backup file (dd-mm-yyyy)
7 time="$(date+"%Y%m%d%H%M%S")"
8
9 mysqldump -u$db_user -p$db_passwd $db_name >"$backup_dir/$db_name"_"$time.sql"
注意 -p 和 $db_passwd之间没有空格,不然$db_passwd会被当做参数[数据库名]来解析
mysqldump可以写绝对路径:
/www/wdlinux/mysql-5.5.54/bin/mysqldump
2.修改文件bakmysql属性,使其可执行;
chmod +x /usr/sbin/bakmysql
3.创建定时任务
crontab –e
#进入编辑界面,内容如下
00 23 * * * ./usr/sbin/bakmysql
#上一行命令的 " . " 不要也可
# 00 23 是每天23:00执行 bakmysql 文件,备份数据库在路径 /usr/software/backup/mysqlbackup下
1:创建并编辑文件 /usr/sbin/bakdaima,命令:
time="$(date+"%Y%m%d")"
zip -r/usr/software/backup/daimabackup/$time.zip /www/web/default
备注:zip需要安装: yum install -y unzip zip
2.修改文件bakdaima属性,使其可执行;
chmod +x /usr/sbin/bakdaima
3.创建定时任务
crontab –e
#进入编辑界面,内容如下
00 00 * * * /usr/sbin/bakdaima
1./usr/software/backup/mysqlbackup/delmysql.php
$dir ="/usr/software/backup/mysqlbackup"; //当前目录
$read_all_dir =read_all_dir($dir);
//var_dump($read_all_dir);
function read_all_dir ($dir)
{
$result = array();
$handle = opendir($dir);
$showtime=date("Ymd",strtotime("-30 day"));
if ( $handle )
{
while ( ( $file = readdir ( $handle) ) !== false )
{
$cur_path = $dir .DIRECTORY_SEPARATOR . $file;
if($file<$showtime){
$result = @unlink ($cur_path);
}
$result['file'][] = $cur_path;
}
closedir($handle);
}
return $result;
}
?>
2.创建定时任务
crontab –e
#进入编辑界面,内容如下
00 03 * * *
/www/wdlinux/php/bin/php /usr/software/backup/mysqlbackup/delmysql.php
1./usr/software/backup/mysqlbackup/delcode.php
$dir = "/usr/software/backup/daimabackup"; //当前目录
$read_all_dir = read_all_dir($dir);
//var_dump($read_all_dir);
function read_all_dir ($dir)
{
$result = array();
$handle = opendir($dir);
$showtime=date("Ymd",strtotime("-1 day"));
//$showtime=$showtime.'020001';
if ( $handle )
{
while ( ( $file =readdir ( $handle ) ) !== false )
{
$cur_path = $dir. DIRECTORY_SEPARATOR . $file;
if($file<$showtime){
$result = @unlink ($cur_path);
}
$result['file'][] =$cur_path;
}
closedir($handle);
}
return $result;
}
?>
2.创建定时任务
crontab –e
#进入编辑界面,内容如下
00 02 * * *
/www/wdlinux/php/bin/php /usr/software/backup/mysqlbackup/delcode.php