what rrd

A closer look at how RRDTOOL is structured. The syntax is indeed cumbersome, but not too difficult. Each time the command line is executed, it must be output as a file. We hope to make an application to dynamically generate charts and look at the

Cacti is a set of network traffic detection graph analysis tools developed based on PHP, Mysql, SNMP, and RRDTool. Cacti acquires data through snmpget and uses RRDtool to draw images, in addition, you do not need to understand the complex parameters

Lm-sensors tool installation and use abstract: host sensor information monitoring recently in the cloud computing project, there is a need to monitor the hardware information of the physical machine, for example, the main board temperature, CPU

The content is basically the same, mainly to record some problems encountered during the installation process and some places different from the original text, for later1. install Apache + PHP + MySQL + Net-SNMP + RRDTool (MySQL installation, Apache

The scenario is as follows: OS: Ubuntu 12.04 LTS x86_64; Nagios version 3.2.3; Nagiosql version 3.2.0; Pnp4nagios version 0.6.13; Virtual Machine, quad-core, 1.5 memory; Mode: passive monitoring Number of monitored hosts: 169 Number of monitoring

Description The ganglia project is really useful for Cluster Monitoring. Unfortunately, there are too many dependencies to install it. The following uses the CentOS6.4 minimal system as the initial environment. After installing the system, only the

Some Understandings and practices of TCP protocol1. The introduction references the introduction in "TCP/IP explanation-Volume 1". TCP and UDP use the same network layer (IP layer ), TCP provides a completely different service to the application

The Munin monitoring tool can detect all computers and record the computers you see. All information is displayed on the graphic Web interface. The focus is on plug-and-play functions. After installation, a large number of control plug-ins will be

This article is the first of a series of high-performance Web clustering articles that can process 3 million of requests per second. It records some of my experiences using the load generator tool and hopefully it will save time for everyone who has

Need to monitor Linux server system performance? Try the following built-in system or attachment tools. Most Linux releases are equipped with a large number of monitoring tools. These tools provide metrics that can be used to obtain relevant

Smokeping for Network Monitoring Smokeping can be used to check the network status and stability. 1. Adjust firewall settings[Root @ C65-A1 ~] #/Etc/init. d/iptables stopIptables: Setting chains to policy ACCEPT: filter [OK]Iptables: Flushing

Install and configure the Munin monitoring server on Linux Munin is a great system monitoring tool similar to RRD tool. It provides you with a wide range of system performance information, such as disks, networks, processes, systems, and users.

Install Icinga1.8.4 in Linux 1. System Environment The operating system is CentOS 6.4 64-bit. It was previously used as a basic unused server with 2 GB memory and 250 GB hard disk. The installation system is relatively simple. I installed it with

For Linux SNMP protocol applications, this article will give you an example of a specific example to help you master this part of the content. For this complex process, we have introduced the update command in the previous article: it uses one or

Previously, nagios and cacti were installed using yum through epel. Now you need to migrate to another machine.Old monitoring machine 192.168.1.200 centos 6x64New invigilator 192.168.1.201 centos 6x64The following operations are performed on the new

smokeping It can be used to detect network status and stability.1, adjust the firewall settings[[Email protected] ~]# /etc/init.d/iptables stopiptables: setting chains to  policy ACCEPT: filter          [   ok  ]iptables: flushing firewall rules:    

BackupBackup software Amanda-Client-server model Backup tool Bacula-Another client-server model Backup tool Backupninja-Lightweight, extensible meta-data backup system BACKUPPC-Client-server model Backup tool and file sharing

I used Zenoss from the Zenoss 3.2 version to find this open source software very demanding for enterprise applications.This morning saw someone in the group said Zenoss 5 released, immediately to their website to find out what new content.The new

Background: The figure ran for one months, the other graphs can be displayed normally, but there are a few pictures suddenly not out of the picture;Through RRDtool RRD view, all are Nan;The solution that has been tried: Failed to restart

Munin is an excellent system monitoring tool similar to the RRD tool that provides you with a wide range of systems performance information, such as disks, networks, processes, systems, and users.How the Munin worksMunin runs in client-server mode,