what rrd

The 1th Chapter Course Introduction (Java Second Kill course teacher to build)This chapter introduces the possible problems of the production environment and common performance monitoring tools, and what the course can learn, how to arrange the

Nmon is the abbreviation for Nigel's performance Monitor for Linux on POWER, x86, x86_64, Mainframe & Now ARM (Raspberry Pi), meaning Nigel (n Mon is the author of Nigel Griffiths) 's Linux performance detector.This system administrator, tuner,

I. Introduction of CACTI monitoring software1. Cacti is a PHP language implementation of a software, its main function is to use the SNMP service to obtain data, and then use RRDtool to store and update data, when the user needs to view the data

I. OverviewCacti and Nagios monitoring system can be said to be widely used and support the rich and the operational personnel at home and abroad need to master a set of monitoring system, the advantages of this system is the use of cacti powerful

First, Juniper Open SNMP The steps to turn on SNMP are the same as yesterday's reference to configuration methods, which is skipped here.Second, install the configuration MRTG 1, installation MRTG's official page is http://oss.oetiker.ch/mrtg/,

Ubuntu server and desktop are all equipped with PHP lamp environment, the steps are no different, the relevant tutorials online also a lot, here to their own configuration process record down, save every time Google ... For reference The entire

The scenario is as follows: OS: Ubuntu12.04LTSx86 _ 64; Nagios version 3.2.3; Nagiosql version 3.2.0; Pnp4nagios version 0.6.13; virtual machine, quad-core, 1.5 memory; Mode: passively monitors the number of hosts: 169 Monitoring Service Quantity: 74

Use Ganglia to monitor Hadoop and HBase Clusters 1. Introduction to Ganglia Ganglia is an open-source monitoring project initiated by UC Berkeley designed to measure thousands of nodes. Each computer runs a gmond daemon that collects and sends

New installation and upgrade of Cacti for Windows Cacti runs many dependent software, such as mysql, PHP, Apache, Spine, and rrd. One installation is cumbersome and error-prone, if the installation is completely new, you can install it using the

Earlier versions are also possibly vulnerable. Information: Affected program: Network Weathermap 0.97a Remote-exploit: yes program address: http://www.network-weathermap.com/ Abstract Network Weathermap 0.97a is vulnerable to a persistent XSS when

Original cacti host ip:222.65.193.176 standby cacti host ip:222.65.194.81. Backup the MySQL and RRD data on the original cacti monitor hostBackup database: Mysqldump-p cacti >cacti.sqlCacti, prompt input cacti login password, enter, backup good data

"Open Source safe operation Dimensional plane Ossim best practices"After years of painstaking research on open source technology, the three-year creation of the "open source safe transport dimensional plane Ossim best practices" book will be

Recently changed jobs, the company more than 40 people share a 20M bandwidth wireless network, the router for Cisco R2911. Boss, let me make a cacti to monitor Cisco routed network card traffic. The whole days can not get the SNMP data, finally to

RRDtool Update SyntaxRRDtool update filename [--template|-t ds-name[:d sname] ...] N|timestamp:value[:value ...]FileName RRD Database file name--template|-t ds-name[:d S-name] to update the name of the data source in the RRD database, where-t

Cacti the method and idea of the error of the imageCacti the monitoring is not much to say. After the installation is complete, novice will encounter a lot of problems, but the most important problem is that Cacti can not draw the image (can not

Ganglia is an open source software, mainly used for cluster monitoring, it can achieve real-time acquisition of each node in the cluster information, the collected data stored in the multicast (the official recommended multicast address 239.2.11.71),

Reference Source:1.http://yhz.me/blog/install-ganglia-on-centos.html2.http://blog.csdn.net/sdlyjzh/article/details/26560585Install the basic Php,curl, try to install it, the relevant are installed.Update sourceyum install wget gcc make rsyncwget -O /

1 ganglia Introduction Ganglia is an open-source monitoring project initiated by UC Berkeley designed to measure thousands of nodes. Each computer runs a gmond daemon that collects and sends metric data (such as processor speed and memory usage. It

Ganglia installation tutorial (centos7)Ganglia Configuration Gmetad Configuration Perform the following operations in the ganglia installation directory: Cp-a gmetad/gmetad. init/etc/init. d/gmetad chkconfig-add gmetad chkconfig-level 345 gmetad

CACTI: No data Solution Soon after Cacti was installed, the image interface came out, but there was no data. Errors or warnings in Cacti logs are also solved one by one. Some permissions to access files are also available. Refer to the summary on