task scheduler delete files

of 12:13 execution.13 12 * * 5 is executed at 12:13 per week at 5.13 12 6 * * Every month, 6th, 12:13 execution.13 12 6 * 3 each month 6th is executed at the same time as 12:13 on the day of Week 3.13 12 6 7 * July 6 12:13 every year.10,40 * * * * 10 minutes and 40 minutes per hour.10,40 * * 2,5 2 and weekly 5 hours 10 minutes and 40 minutes per week.10 02 * * 1-5 is executed from 1 to 5 2:10 per week.*/3 * * * * is performed every 3 minutes.1 */2 * * * Every 2 hours of 1 minutes to execute.The

First, the Task plan management--crontabEdit Scheduled Task: Crontab-e "-u user Name"View Scheduled Tasks: Crontab-l "-u user Name"Delete Scheduled Task: Crontab-r "-u user Name"Root user can manage scheduled tasks for a specified userOrdinary users can only manage their own scheduled tasksII. configuration format of t

command, and not inAt.deny The user in the file can executeIf none of the two files exist, only Root can perform at CommandRecurring Scheduled Tasks CronCommands and PackagesEnsure that the service runs:CentOS 7:systemctl Status CrondCentOS 6:service crond Statussystem Cron tasks: System Maintenance Jobsin the /etc/crontab settings in FileThe usage rules with the configuration information itself:First place * represents per minute, desirable value 0

1. at--to perform a task at some point in the futureUsage examples: at time: Set a point in time At>command At>ctrl+d Specify time: Absolute Time: HH:MM,DD. Mm. Yy,mm/dd/yy relative Time: now+3minutes units: minutes, hours, days, weeks Blur time: Noon,midnight,teatime Execution result of the command: sent to the user who scheduled the task in the form of a message Show Jobs list: ATQ = at-l

Task Scheduler1. Perform one task at a time in the futureAtBatchAt timeAt>commandAt>ctrl+dSpecified timeAbsolute time: hh:mm DD. Mm. YY Mm/dd/yyRelative Time: now+#Unit: Mininus,hours,days,weeksExecution result of the command: sent to the user who scheduled the task in the form of a message[Email protected] ~]# at Now+3minutesAt> Ls/varAt> cat/etc/fstabJob 1 at 2

Most people may use github.com/robfig/to write cron module, but this module only dynamically add tasks, but there is no dynamic removal of the task Func, so after some search, found a better cron module: https:// Github.com/jakecoffman/cronThis module although fork less people but personally think it is good, he basically is robfig write the improvement of Cron, the task of the structure to add the name str

Linux Task Scheduler Cron[Email protected] ~]# CRONTAB-ENo crontab for root-using an empty oneThis is done 3 o'clock in the morning every day.0 3 * * */usr/bin/touch/root/123.txt >/dev/nullStart the service[Email protected] ~]# systemctl start CrondBasic format:* * * * * commandTime-sharing Weekly commandThe 1th column represents minutes 1~59 per minute with * or */1The 2nd column represents the hour 1~23 (

Most of the management of the system is done automatically by executing a script on a regular basis. Linux's mission plan can be crotab. What to do at what time of day.To install the command tool:Yum Install Vixie-cron CrontabsCrond boot from:Chkconfig Crond onTo see if the Crond service is turned on:Service Crond StatusTo start the Crond service:Service Crond StartCrontab Common options:-L: You can view the schedule of users for the specified user.-U useranme: Specifies that the user name defau

The php Tutorial file implemented by ignore_user_abort () can run after the browser is turned off. let's take a look at this function usage. ignore_user_abort (): will the execution of the script be terminated when the function is set to be disconnected from the client... Ignore_user_abort () implements the php Tutorial file to run after the browser is closed. let's take a look at this function usage. The ignore_user_abort () function sets whether the script execution is terminated when the

It programmer development Essentials-all kinds of resources download list, history of the most IT resources, personal collection summary. Project directory Structure Spring + Quartz jar Package Applicationcontext.xml (Beans.xml)[HTML] View Plain Copy Task Scheduling class [Java] View plain copy packagecom.kay.quartz; importjava.io.file; importjava.io.filefilter; importjava.io.fileinputstream; importjava.io.fileoutputstream; importj

JavaEE framework Bootstrap, HTML5, jQuery, SpringMVC, Hibernate, Spring Security, Quartz, timing, task scheduling, Scheduler, javaeehtml5 We provide source code, SQL files (MySQL, Oracle, and SQL Server) for three types of databases, detailed documentation, and Bootstrap's latest learning materials and technical support, the general background management system

Use the mysql event scheduler to regularly delete binlog bitsCN. the event scheduler of comMySQL can execute a task accurately every second. it is suitable for applications with high real-time data requirements (such as stocks, odds, and scores. First, check whether this function is enabled: SELECT @ event_scheduler;

(job_class_name = ' No_logging_class ', Resource_consumer_group = > ' Default_consumer_group ', logging_level = Dbms_scheduler. Logging_off); end;--Disable the job itself log, modify the log level Logging_level properties:BEGIN dbms_scheduler.set_attribute (' job_name ', ' logging_level ', Dbms_scheduler. Logging_off); END;--1) Dbms_scheduler. Logging_off: Turn off logging function;--2) Dbms_scheduler. Logging_runs: The operation information of the task