pingdom monitoring tool

monitored host or node (such as a switch) to collect all relevant information about the node, listen to the snmp port, that is, UDP 161, and receive commands (queries and settings) from the monitoring host from this port ).If you use the net-snmp of RHEL5, the monitored host needs to install net-snmp (including the snmpd agent), and the monitored host needs to install net-snmp-uti.Ls. If you compile the code on your own, you need the beecrypt (libbee

Please refer to Git:https://github.com/firehol/netdata/wiki for specific netdata introduction.The following only describes the installation and use of Netdata under CentOS:1. Installation of the basic compilation environment required for installing NETDATA:Yum install zlib-devel gcc make git autoconf autogen automake pkgconfig2. Download and install Netdata (requires root access)cd/usr/local/src/(the directory you built is OK, not necessarily under this directory)wget http://firehol.org/download

.-T Time (second) Interval.==========================================================================================[Email protected] servers]#/orztop-u=root-p= ' Yoon '-s=/export/data/mysql/tmp/mysql.sockInformation also includes the database of Insert/update/delete/select per second, logical reading, hit rate, the current active thread, and so on, you can see the current pressure of the database;When your instance has a performance bottleneck, you might want to take a look at it and crawl the

| a2898efe07380a813efa53e0fd4b3697 | |10000153| b37122b662a6a6f7ad0a16e1a03f7f01 | |10000190| 7235940f4438dbceeaf288540ba68f19 | |10000302| 7ccb852b19562fc296f82f95f8e0d9ef | |10000363| a672510b73a34a3d1d6227a53086b248 | |10000387| 209a5085acbcd3969a98668d62fbd1a3 | |10000550| 52324116187ce5b558b8a082762b657b | |10000556| d6b61c83675b373f5b7887c088e6806e |+-----------+----------------------------------+8RowsinchSetmysql>show Profiles;+----------+------------+-------------------------------------

guarantee that the Cusor will eventually be released, if the cursor data volume is large, especially if there is blob information inside, should ensure that the cursor occupied memory is released in a timely manner, Instead of waiting for the GC to handle it. 5) Some details in the code Use 9path as much as possible Adapter to use Convertview All kinds of listening, broadcasting and so on, register the same time remember to cancel the registration Use the object to

Similar to top monitoring system activity, ntop is a tool used to monitor network usage in real time. Because ntop has the Web interface mode, it is easy to get started quickly in a short time, regardless of configuration or usage. Nbsp; this version partially overwrites the ntop processing engine, mainly used Similar to top monitoring system activity, ntop is

Today we found a lightweight tool that is much lighter than cacti and nagios ....Very simple installationhttp://mmonit.com/monit/Configure the file to run after decompression.Vim/etc/monitrcSet Daemon #check service at secondSet Logfile/var/log/monit.log #save LogSet Pidfile/var/run/monit.pid #pid fileSet mailserver localhost #primary mail server #--8 #set mail-format { # from: [emailprotected] $HOST # subject:monit alert-- $EVENT $SERVICE # messag

Memcache Monitoring Tools--MemkeysIntroducedMemkeys is a top-of-the-line, Tumblr-like tool that can be used to view memcached's key usage in real time.InstallationInstall autoconf (requires version 2.68 or more):# wget-c http://ftp.gnu.org/gnu/autoconf/autoconf-latest.tar.gz# tar zxvf autoconf-latest.tar.gz# cd autoconf-2.69#./ configure# make make installInstall other dependencies:# yum Install libpcap-de

1. IntroductionJstat is used to monitor the hotspot-based JVM for real-time command-line statistics on the use of its heap, and with jstat we can monitor the specified JVM as follows:-Loading and unloading of classes-View capacity and usage of new generation, Laosheng generation and durable generation-View the new generation, Laosheng generation and durable generation of garbage collection, including the number of garbage collected and the time taken by garbage collection-View the capacity and d

Many corporate LANs now have their own file servers for storing or sharing files for use by local area network users. However, in the process of setting up shared file access, it is common for shared files to be randomly copied, modified, or even deleted, which makes the security management of shared files face a greater risk. How can you make it possible for users to access shared files and prevent improper operation of shared files? I think that can be achieved through the following two ways:

Author: SkateTime: 20141223 Database Availability monitoring tool [root @ skatedb66tmp] #. db_availability -- helpusage: Usedtoviewserveravailabilityv0.1, (C) CopyrightSkate2014 [-h] -- hostHOST -- userUSER -- passwdPASSWD [-- portPORT] [-- dbname Author: Skate Time: 2014/12/23 Database Availability monitoring tool [ro

MemAdmin, a Memcached management and monitoring tool based on PHP5 amp; JQuery, is a visualized Memcached management and monitoring tool developed using PHP, which is small in size and easy to operate. Main functions: Server Parameter Monitoring: STATS, SETTINGS, ITEMS, SLA

I used this tool a few years ago and found it very convenient to monitor remote servers. I used it again in conjunction with the stress test for resource monitoring. I suddenly remembered it, so as not to be unfamiliar. Record it here! 1. The monitored server is Ubuntu server. First, create a user on the server for monitoring! You must have the permission to rem

Overview When the system bugs need to locate the problem, knowledge, experience is the key foundation, the data is the basis, the tool is the use of knowledge processing data means. The data mentioned here include: Run log, exception stack, GC log, thread snapshot (threaddump/javacore file), heap dump Snapshot (heapdump/hprof file), etc. Using the appropriate virtual machine monitoring and analysis tools c

In Unix-like systems, you can use top to view system resources, processes, memory usage, and other information. To view the network status, you can use tools such as netstat and nmap. To view real-time network traffic and monitor TCP/IP connections, you can use iftop. I. What is iftop? Iftop is similar to top... in Unix-like systems, you can use top to view system resources, processes, memory usage, and other information. To view the network status, you can use tools such as netstat and nmap. To

Mysql monitoring tool: zabbix + MPM (PerformanceMonitorforMySQL) MPM is mainly used to monitor various mysql parameter performance indicators. The following describes the configuration of MPM and zabbix: The following figure shows the configuration file diagram. It consists of two parts: 1. zabbix template: Template_FromDual.MySQL. *. xml 2. MPM agent perl module: FromDualMySQL *. pm Installation Method: 1

Real-time monitoring commands, watch is a very useful command, can help you to monitor the results of a command in real time, save the manual run over and over again. The two most common options for this command are-D and-N, where-n indicates how many seconds interval is executed "command", and-D indicates where the highlight has changed.Examples of usage:1) Execute the WHO command once every second to monitor the status of the server's current user l

Javamelody, a good tool for monitoring applications, has been introduced before, and has complete functions.Slightly smaller, specifically designed for Tomcat. The following describes the usage: 1 download:Http://www.lambdaprobe.org/downloads/1.7/probe.1.7b.zip2. After decompression, put probe. War under Tomcat's webapps and set server. xmlContext3. Set the user as follows in tomcat_user.xml.VI/usr/local/

The Linux system administrator should know the monitoring tool. If you want to monitor the performance of the Linux server, try the built-in shell commands and some additional tools. Many Linux distributions have "tons" of monitoring tools. These tools provide measurable information for observing system activities and identifying suspicious points that result in

Linux real-time monitoring tool vmstat The official definition of vmstat is vmstat-Report virtual memory statistics, which is the statistics of virtual memory. First, tracing: What is virtual memory? A: The virtual memory is a virtual file on the disk that can be used as the memory. Why is there virtual memory? A: The program needs to run through the memory. If the program consumes too much memory during ex