cron job

If you host your own blog or no web-based application running on the stack, should have a backup system Keeping data stored in MySQL databases safe. There are several solutions that can help for you, and but nothing beats a simple Bash script I

Basic linux commands-general Linux technology-Linux technology and application information. For more information, see the following section. 1. view the current working directory # Pwd (print working directory), you can see your current full

The following articles mainly describe the use and proper maintenance of the DB2 back archive. Do we want to manage IBM in a better way?®DB2®For Linux®Or AIX®Diagnostic files on the server? If so, this article will help you. A script is provided to

Create a database table maintenance Specification It is a good idea to perform a database table check on a regular basis rather than when a problem occurs. Taking into account the establishment of a schedule for preventive maintenance to assist with

It is a good idea to establish a database table maintenance specification on a regular basis, instead of checking the database table until the problem arises. Taking into account the creation of a schedule for preventive maintenance to assist with

How to block network traffic in Linux based on country location As a system administrator who maintains a Linux production server, you may encounter the following situations: You need to selectively block or allow network traffic to pass through

6.1 control the frontend and backend job commandsJobs indicates viewing the currently paused job or running job in the backgroundFG % 1 indicates converting background Job 1 to foreground runningBG % 1 indicates that the paused Task 1 will continue

Understand cron concepts The cron daemon is a small subsystem composed of utilities and configuration files. cron of a certain style can be found in almost all UNIX-like systems. CronComponents include the daemon itself, a set of system-wide

Crontab is automatically executed by Linux at a fixed time or at a fixed interval.Predefined job).   Usage: Crontab-l listCurrent UserAll predefined cron jobs (jobs))Crontab-e edit the current user's cron job (you can add, modify, and delete

Implementation plan framework In the previous section, we learned how to use the scheduler framework and compared it with the Java timer framework. Next, I will show you how to implement this framework. In addition to the scheduleiterator interface

Author:Snowhite2000 Time:02-09-03 0:49 This depends on your environment requirements. If the synchronization you requested can be delayed by one day or a few days, the export/import method is good. The synchronization between our prod and the

Http://assafmuller.com/2014/08/16/layer-3-high-availability/Low-reliability solution for L3 agents Currently, you can achieve Load Balancing through multiple network nodes, but this is not a highly reliable and redundant solution. Assume that you

Three things you shoshould never put in your database As I 've said in a few talks, the best way to improve your systems is by first notdoing "dumb things ". I don't mean you or your development staff is "dumb", it 'seasy to overlook the

A simple instance used by crontab 1) create a file in any directory of ubuntu # Touch cronfile01 2) EDIT crontab file01 [note]: If the root user uses crontab-e to write the root file in the/etc/spool/cron/crontabs directory, this file is written by

1. Basic Technical Optimization 1.1. General Optimization settings Magento is one of the most friendly commercial platforms for search engines, but there are a few points of attention to optimize your magento Seo. the first step is to activate the

Preface In the previous blog, the blog introduced the use cases of redis data types and the correct posture of redis distributed locks. We know that once redis is restarted, all data in redis will be lost. This blog introduces the persistence of

Google App Engine SDK 1.4.3 was released, mainly enhancing the task queue feature. Gae/Java SDK release notes: Added fileservice API that allows writing to and reading from files in blobstore. You can now specify cron execution for a time

We often need to optimize the MySQL database, and cainiao will go to phpMyAdmin one by one.PHP development is generally implemented in website programs through php, but these two methods are not good enough.The following is a tip for you: Use

Run crontab-e to edit a job. For example Reference content is as follows:0 30 ***/home/your_login/bin/java_program|||-Day of the week (0-6 with 0 = Sunday ).| -- Month of the year (1-12 ),| _____ Day of the month (1-31 ),|| |____ Hour (0

First, the basic introduction of Ansible: What's the ansible type?Ansible is a very simple IT operations automation tool engine for configuration management, application deployment, internal service orchestration, and more, for hundreds of