Discover displayport three monitors, include the articles, news, trends, analysis and practical advice about displayport three monitors on alibabacloud.com
Linux Platform
Monitoring the SQL statements executed by MySQLIn order to do well with the development of performance and functional testing, easy to monitor the execution of the SQL statement,
You can add the following in/etc/mysqld:Log
Recently the server appears Nginx 502 Bad Gateway, if the computer next to good, if the middle of the night or out, how to do?It doesn't matter, write a script to detect service status, find an exception, and restart automatically.Automatic Restart
The first step is to install enyimmemcached into the Windows performance counters.
Copy Enyim.Caching.dll to a folder
Enter the folder where the. NET framework is located on the command line--c:\windows\microsoft.net\framework64\v4.0.30319
Yesterday a friend asked me how to monitor the operation of a pl/sql, here is a brief introduction to several methods.
Introduce a professional Dbms_application_info package.
The previous article introduced a solution through inserts and
The Array. observe () method is used to asynchronously monitor changes in arrays, similar to Object. observe () for objects (). When the value of the array changes, it provides a change stream in the order of occurrence. Similar to Object. observe ()
1. Install the mysql template on the cacti server first
Wget https://mysql-cacti-templates.googlecode.com/files/better-cacti-templates-1.1.8.tar.gz
Tar-xvf better-cacti-templates-1.1.8.tar.gz
Cd better-cacti-templates-1.1.8
Put the
Borland's C # Builder is a programming tool based on the C # language. C # Builder allows developers to develop it using Java or CORBA tools, C # Builder also has the ability to read data from a variety of databases, and can mix and adapt to
To monitor the performance of mysqlserver, it is estimated that many people use the mysql-cacti-templates template in cacti, but its default configuration only supports monitoring of the standard mysql3306 port. In fact, its script supports multiple
First, install the NrpeThis department uses the direct decompression method to install the NrpeSecond, configure the Nrpe service1. Modify the check_oracle in the Libexec folderAdd the following items in
First, determine whether the network type is WiFi, or 3G, or 2G networkConnectivitymanager connectmgr = (connectivitymanager) this.getsystemservice (Context.connectivity_service); networkinfo info = connectmgr.getactivenetworkinfo (); First,
Zabbix may monitor the running status of the mysql service, but cannot monitor whether the master-slave replication of mysql is normal: Sometimes the synchronization has stopped, but the Administrator does not know. Login
Zabbix may monitor the
Shell programming is very powerful!
When the site traffic is large, MySQL is under a high pressure. When the CPU usage of MySQL exceeds 300%, it cannot provide services, and it is almost stuck. At this time, the best way is to restart the MySQL
Filesystemwatcher. Changed event
When the file is modified, an endless loop occurs.
The reason is:ProgramAfter receiving the notification that the file was changed, the file was modified immediately, and the file was notified of the change.
Static void monitorgiftfile (){// Instantiate an object firstFilesystemwatcher watcher = new filesystemwatcher ();// Set the listening pathWatcher. Path = freeroomgiftroot;// Only listen to this file. When the gift directory is modified, the file is
When such a requirement is met, the first thing to think of is the change event, but those who have used change know that it will be triggered only when the input loses focus and cannot meet the needs of real-time monitoring, for example, monitoring
Created:Article attributes: originalArticle submission: cheng5103 (cheng_5103_at_126.com)
Author: Cheng SonglinQQ: 179641795Email: cheng_5103@126.comNote: you are welcome to repost it. Please repost the original source and author information. It
In each step, create a user name and password on the MySQL slave server database, and only grant the replication Client permission.
Step 2: Create the script check-mysql-slave on the monitored MySQL slave server
#! /Bin/shDeclare-A slave_isSlave_is =
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.