Guide
This article will introduce a very useful tool--netdata, which is a real-time Linux performance monitoring tool, for an open source tool, I have a translation of its English documents, the level of limited, there are translation errors in the place to welcome everyone to point out, I hope this article to hel
flow of all interfaces, simply adds the in flow of all the interfaces and the out flow adds)-W automatically enlarges column widths with the specified column width rather than the length of the interface name-W Wrap text automatically if the content is wider than the width of the terminal window-S maintains status updates (does not scroll without wrapping) on the same line note: This is handy if you don't like screen scrolling, similar to the way Bmon is displayed-B Displays the bandwidth inste
Memcache also has a graphical interface monitoring tool (memcachephp), which can be used to view all deployments of LAN Memcache machine or Port memcache operation, to our monitoring memcache cache hit rate, Cache utilization, CTR and other information has a good help. The introduction of graphical interface tools can help our performance test engineers to get ou
[Tool Development] keepalived uses the nagios monitoring script, keepalivednagios
Recently, keepalived and keepalived are used in the development and office environments. Based on the LVS supported by the Linux kernel, keepalived achieves high availability and load balancing, which is very practical.
Keepalived can be used to monitor service status in multiple ways, such as HTTP_GET | SSL_GET | TCP_CHECK |
we can not understand some of the text, This requires us to translate it into a file that we can read in Excel format. First we export the Linux_test_120724_0822.nmon file to our Windows Local. And then we're from Http://www.ibm.com/developerworks/wikis/display/Wikiptype/nmonanalyser.Download Nmonanalyser software to Windows Local. After opening the unpacked file, we will find 2 files, one is Nmonanalyse description of Word format is stable and the other is Nmonanalyse file in Excel format.All
vport:8083
Equalization algorithm: PI RR
Health Check: TCP
instance IP and port:IP 8083 for Localhost-01IP 8083 for Localhost-02
Other ports are set according to this setting, after the load balancing setup, it is necessary to mention Grafana configuration, if you want to achieve high availability of visual display, then the Grafana configuration data source must adopt the domain name + port way:The data security setting is complete.4 , Grafana interface configurationComple
With the previous 4 notes, you have already learned about the basic concept and configuration of Redis, and this note highlights how to monitor the operation of Redis using the official Redis Sentinel tool. In addition, some considerations for sentinel use are discussed. 1. Redis Sentinel features Redis Sentinel is a set of distributed systems for managing Redis instances, with 3 main tasks to complete: 1)
related charts for analysis and use.
2. Download, install and use nmon
Nmon:
Official Website: DownloadLinuxCorresponding nmon
Other download: http://down.51cto.com/data/849411
A. Installation: After downloading the file, upload it to a directory in Linux, run the tar-xvf file.tar command, and decompress the package.
B. Modify the CHMOD nmon_linux_x86 permission,
C. Run./nmon_linux_x86-F-r test-S 10-C 15. A test file is generated at this time, which is used to write the
DK comes with VM analysis tools JPS, jstat, jmap, jconsole
I. Overview
Several tools in Sun's JDK are very useful. Adhering to the principle of free and commercial use. The following is a brief introduction to these tools. (Note: all the tools in this article are included in the jdk5.0 or a later version of the tool set. Like javac, you do not need to install them specially ).I have found the following four tools: Focus on jconsole and jmap.
1. JPs
: [live,]format=b,file=
-finalizerinfo : Displays an object in F-queue that waits for the finalizer thread to execute a finalize method. Valid only on Linux/solaris platform
-heap : Displays the Java heap details, such as which collector to use, parameter configuration, generational status, and so on. Valid only on Linux/solaris platform
-histo : Displays the object statistics in the heap, including the class, number of instances, and total capacity
-permstat : Displays the permanent
Because Nagios is too complex, the previous Zabbix has emerged as a condition of knowledge. I just want to find a tool that can collect data for analysis in real time, glances is undoubtedly the best choice.In addition, when I was looking for tools, I found a relatively good simple monitoring tool--linux dashboard. On GitHub, you can go to research.Glances instal
Linux system performance and use of activity monitoring tool-Sysstat
Sysstat is indeed a convenient tool for monitoring system resources, system performance, and usage activities. The sysstat package is used more or less in our daily basic tools. It also provides a tool that
1. Add Tasks
There are two types of tasks. One is a single URL that corresponds to multiple keywords. Suitable for monitoring multiple keyword rankings for a single site. The other is a single keyword corresponding to multiple domain names, suitable for a single keyword station group site or competitor website keyword ranking monitoring.
2, selected to build a good task, click on the top right
Linux NetHogs monitoring tool introduction, linuxnethogs
NetHogs Introduction
NetHogs is an open-source, free network traffic monitoring tool for Linux processes or applications. NetHogs can only monitor the network bandwidth usage of processes in real time. NetHogs supports IPv4 and IPv6 protocols, and supports local
to limited time, in the latter several blog, will detail the real-time priority process, static priority process.Introduced a half-day, process and thread, mainly to introduce two system monitoring tools and a process viewing tool.1, real-time system monitoring Tool Dstat,1DSTAT[-AFV] [options:] [Delay [Count]]-A: Dis
installations together(I'm using yum to install it)The carriage return is as follows:You can enter "Y". (The remaining dependent packages are also the above installation steps and methods).3, when all the dependent packages are installed, you can install Iftop as follows:wget ftp://fr2.rpmfind.net/linux/dag/redhat/el5/en/i386/dag/RPMS/iftop-0.17-1.el5.rf.i386.rpmYou can get the Iftop rpm package from the above route, and of course you can get the RPM package by other means.Enter the above comma
Oracle GoldenGate monitoring tool: ggserr. the log errors cannot be ignored. After the Oracle factory installed the monitoring plug-in for the OEM 12C in the primary database of the production environment recently, an exception occurred to the Oracle GoldenGate instance synchronized to more than a dozen external databases, frantically Go To The ggserr in the Gold
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