? Do we have any tools for problem locating?Atop introductionThis article is to introduce the atop is a tool for monitoring the Linux system resources and processes, it records the operating state of the system at a certain frequency, the collected data contains the system resources (CPU, memory, disk and network) usage and process operation, and can be stored in a log file in the disk, After the server has a problem, we can obtain the corresponding a
Performance testing is always to monitor the server, do the ZABBIX monitoring after the important collection of monitoring data, here to share how I do.Preparing filespython2.7pypa-setuptools.tar.gzinstalling third-party expansion pack ToolsArgparseIt is the recommended tool for writing command -line programs in the Python standard libraryzabbix-img.py from the attachment, or in the SVN directory folderru
DescriptionThe work consists of two parts of the monitoring side (123) and the monitored end (iv)One, add script in Nrpe.cfgAdd Command index in NRPE.CFGCOMMAND[CHECK_USED_MEM]=/USR/LOCAL/NAGIOS/LIBEXEC/CHECK_USED_MEM.SH 80 90Description: Actual memory usage exceeds 80% warning; more than 90% critical warningsSecond, add the specific scriptReference Script check_used_mem.shWarn=$1Critical=$2 All= ' Free | Sed-n'2p'| Awk'{print $}'' used= ' Free | Sed-
Common commands for linux system monitoring and Common commands for linux monitoring
Original article: http://blog.sina.com.cn/s/blog_68f1c17001016uvy.html
Linux provides many tools used to monitor the system. These tools can be used to find the bottleneck that may lead to reduced system performance. Slow system response is not always caused by slow CPU usage. It may also be caused by slow disk speed, low
Preface:During the 11 holiday, we need to monitor the server and online items, so that we can find out the problems in time and deal with them in time. Because the company's abnormal monitoring system is not perfect, deliberately on the Linux server with Python monitoring scripts to achieve simple monitoring functions.
function:1, the disk use rate alarm function
I. Introduction of Linux Monitoring platformThese software are required for PHP environment support, using Apache PHP or Nginx php can, Nagios do not need to use MYSQL,CACTI and Zabbix is required to use MySQLSecond, Zabbix monitoring introductionZabbix Monitoring FlowchartThird, installation ZabbixNeed to prepare two machines, one as Zabbix-server server, one as
Five phases of file integrity monitoring, file integrity monitoring
If the file integrity monitoring (FIM) solution is deployed well, the benefits are great:
If you see unexpected or uninterpretable file modifications, you can immediately start the investigation: if the investigation finds that the system is intruded, the problem can be quickly solved.
These chan
Linx monitoring sharing-Key Process Monitoring (mysqld) + email reminder, linxmysqld
Key Process Monitoring
Mysqld: The process exits and an alarm is triggered. If you do not exit, you will be notified of monitoring mysqld (cpu (> = 100%) | mem (> = 80%) and the mysql status information will be collected and analyzed;
This article describes some of the Zabbix monitoring JVM and Tomcat monitoring items Chinese interpretation, suitable for a certain basis for the people to see, for the Zabbix version of 2.4.4, memory recovery management mainly relies on the CMS and parnew mechanism. If there is a wrong place, please point out.Because the table can not be copied directly, here only upload the picture, you need to copy the s
example, the item created for the template is automatically established for the host. Availablity in this column, SNMP is green, indicating successful monitoring and unsuccessful red.650) this.width=650; "title=" "style=" border-top:0px;border-right:0px;background-image:none;border-bottom:0px; padding-top:0px;padding-left:0px;border-left:0px;padding-right:0px, "border=" 0 "alt=" src= "http://s3.51cto.com /wyfs02/m01/7f/f9/wkiom1cy75makobvaaak-fpemzq8
Now want to monitor the traffic and concurrency of the service, but not so much time to write the system, the other operation and maintenance system is not familiar with, so the existing RRDtool shell made a simple monitoring interface, temporary use, but also a small experiment. RRDtool is also just contact, a little exercise
ProcessThe approximate process is this (CENTOS6 operating system)
Initializing the RRD database
Shell script
Adding code snippets to the httpd.conf fileExtendedstatus onone of the Server-status is Apache's own monitoring item. Http://www.apache.org/server-status.650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M00/72/E2/wKiom1XvjUKRX65WAAGdI43GDno587.jpg "title=" 06.jpg "alt=" Wkiom1xvjukrx65waagdi43gdno587.jpg "/>One of the words in the monitoring script is to go to key,wget--quiet-O-http://127.0.0.1/server
Java monitoring method running time/efficiency method, java monitoring
Preface:
I am writing a small project this week. Although it is small, it only calls the external interface. After the interface is called, the data returned by the non-stop loop interface (which has been converted to JSONArray) is executed, and then the value is determined, the key to doing different processing is that the data volume
Recently contacted with Python's Win32 Library, library subroutines provides a number of APIs that can be used for Windows development, making use of this principle to make a prototype of a keyboard listening Trojan.Additional module Pythonhook (when placing hooks) is needed here, pythoncomMain monitoring function related code:#放置键盘监听钩子def seeing (): Ph=pyhook.hookmanager () PH. Keydown=keyboardevent PH. Hookkeyboard () p
Zabbix: Method for adding Node. js monitoring, zabbixnode. js monitoring
Currently there are pm2-zabbix tools available on the Internet to achieve Zabbix Node. js monitoring alarm, Github address.
Features:
Node. js processes managed by pm2.
Report the Nodes. js Process status, CPU usage, memory usage, and whether the process is restarted.
Monitors the status, re
The network is the only domestic access to the Ministry of Public Security certification, at the same time, is the first to penetrate the intranet, completely free, and the use of U-Shield security encryption of remote control software, and through the domestic and foreign dozens of authoritative anti-virus software security checks. Network people can realize remote boot, shutdown, remote control computer, fast upload download, modify files, voice text chat, remote turn on the camera and other f
Tags: conf unsafe port How much a principle/etc/can't www.In the distributed monitoring System Zabbix3.2 jump Pit Guide and distributed Monitoring System Zabbix3.2 add mail alarm to the exception has been introduced how to install and alarm. This article describes how to monitor other ports and configure custom monitoring entries by introducing the number of 3306
= "Minevictableidletimemillis"value= "300000" /> Propertyname= "Validationquery"value= "Select ' x ' from DUAL" /> Propertyname= "Testwhileidle"value= "true" /> Propertyname= "Testonborrow"value= "false" /> Propertyname= "Testonreturn"value= "false" /> MySQL does not support poolpreparedstatements - - " - turn on the Druid Monitoring statistics function - Propertyname= "Filters"value= "Stat" />Bean>Then open the
Article Title: Linux graphic traffic monitoring and I/O monitoring. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.
Iftop Tool
Purpose: monitors the network status and bandwidth used by each ip address in real time.
Run the command (must be root)
Monitor network card Tra
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.