best monitoring tools

This article mainly introduces the linux performance monitoring tool. For more information, see 1. uptime This command intuitively shows the average load of the server in the past 15 minutes, 5 minutes, and 1 minute 2.Vmstat Output vmstat information every 2 seconds, 10 times in total. Category Procs Swap Io System Cpu R: Number of running processes Si: swap-in memory capacity Bi: Number of r

Wireshark Wireshark is widely used in the world. It has a protocol analysisProgramAnd other features not available in other products. Its opennessSource codeText patents allow professionals to enhance their functions. It can run on various computing platforms, including UNIX, Linux, and windows. For Ubuntu edgy users, you can use the following command for installation: Sudo apt-Get install Wireshark For Ubuntu dapper users, run the following command: Sudo apt-Get install Ethereal Etherape

process stats-S,-swap show swap situation-S swap1,total can specify multiple swap-T,-time enable time counter-Y,-sys enable system stats-IPC reports the use of IPC message queues and semaphores-lock Enable lock Stats-raw Enable raw Stats-TCP Enable TCP Stats-UDP Enable UDP stats-unix Enable UNIX Stats-M STAT1,STAT2 Enable external stats-mods STAT1,STAT2-A,-all using-cdngy The default is this display-F,-full using-C,-D,-I,-n and-s Display-V,-vmstat using-pmgdsc-d display-integer Show integer val

This is a creation in Article, where the information may have evolved or changed. Go is a very real programming language that provides detailed information about the state of the operation from the very beginning. After the product on-line tuning and troubleshooting can rely on these status information. Here we summarize some of the status monitoring methods used in our project. Pprof Go comes with a pprof tool that can do CPU and memory Profiling, t

Linux system monitoring and diagnostic toolsLinux users may not be unfamiliar with top commands (different system names may be different, such as topas in IBM aix ), it is mainly used to monitor the system's real-time load rate, process resource usage, and other system status attributes. Next let's take a look at the top: (1) system and task statistics: the first eight rows are the overall statistics of the system. The second line is the task queue in

Install the htop process management and monitoring tool in CentOS 6.5. Download the latest HTOP version.Http://sourceforge.net/projects/htop/For example:Wget http://sourceforge.net/projects/htop/files/latest/downloadDecompress the downloaded file and installFor example:Tar-zxf htop-1.0.2.tar.gzCd htop-1.0.2./Configure make install(If gcc is not installed at this time, the system will prompt:Checking for gcc... noChecking for cc... noChecking for cl.

Vmstat is a very useful Linux system monitoring tool that uses the Vmstat command to get information about processes, memory, memory paging, blocking IO, traps, and CPU activity. First, the preface It is clear from the name that we can see that Vmstat is a tool for viewing virtual Memory usage, but how to find bottlenecks in the system through Vmstat. Before answering this question, let's review Linux about virtual memory related content. Second, the

Tags: connection string section Installing the file address developer GES SQL ServerRecently, no intention to discover the MySQL client monitoring tool "Nero profile SQL", just at the beginning do not know how to use, after half an hour groping, now will use the steps to write down.Background: When developing, if the data storage tier uses EF, or other ORM frameworks, the database is MySQL and you want to know the SQL statements that are finally execu

There are a lot of performance tools on the Linux platform, a dazzling, long-term groping and experience finding the best thing to use is the proven, simple gadgets. Brendan D. Gregg, a system performance expert, updated his famous talk (Linux performance Tools) and slides on Linux in the recent LinuxCon NA 2014 conference.Compared with Brendan last year's talk, this year added testing and optimization to t

The full name of ddms is Dalvik debug monitor service, Port forwarding service, which can make ddms a proxy for IDE and devices Mobile phone device Screen Device thread and stack information Log Information Process Information Broadcast status information Analog call Receive SMS Virtual geographic coordinates RF status information Others How to start ddms Prerequisites: Start the Android-SDK simulator or connect to a mobile device; The ddms tool is stored in the SDK-

Top: view process activity status and some system conditions. Vmstat: View system Status, hardware and system information, and more. iostat: View cpu load, hard disk condition. sar: integrated tool to view system status. mpstat: View multi-processor status. netstat: View network status. iptraf: Real-time network condition monitoring. tcpdump: Crawl network packets, detailed analysis. mps

, conversely, gives it a higher priority. The default value is 10.s, change the delay time between two refreshes. The user is prompted to enter a new time unit in S. If there are decimals, it is converted into Ms. Enter a value of 0 and the system will continue to refresh, the default value is 5s. Be careful not to set too small, causing a constant refresh, see the refresh situation, and the system load will be greatly increased.W writes the current settings to the ~/.TOPRC file. This is the rec

Monitor system calls made and received by a process--stracecommand line monitoring of raw network traffic--tcpdumpKeep track of open files--lsofThe birth of Sysdig-a tool that integrates strace tcpdump lsof, using LUA integrated tools.Can analyze the status of Linux system, and can be a system state saved to a dump file for offline detection.You can use your own scripts to extend additional functionality.Sysdig Installation Script:Curl-s Https://s3.am

What Q:qmonitor is. A:qmonitor is a professional database monitoring platform software for Oracle and MySQL. According to the user set up timely and effectively to the database of the abnormal alarm to facilitate users to see a variety of real-time state curve indicators, and monitoring, performance data statistical analysis, from the transport to the decision-makers from the perspective of multiple levels

Deny from all Allow from 172.16.16.25 Directory> After you have made changes to the above configuration, don't forget to restart Apache. # Service Apache2 Reload Four, Monitorix screen:Here are some screens, see.Monitorix Web InterfaceSystem load average value, active process, and memory allocation.Global kernel UsageKernel usage per processordisk drive temperature and health statusFile system usage and input/output activityEth0 Interface TrafficSystem service Re

Six Linux Performance monitoring command-line tools1.htop-http://htop.sourceforge.net/A process viewer that allows the user to interact with it. A text-mode application that is used primarily in console or X terminals. Currently has a tree-like view of the process, support color themes, can be customized and other features.2.dstat-http://dag.wieers.com/home-made/dstat/A tool to replace Vmstat, Iostat, Netstat, nfsstat and Ifstat commands, is an all-in

The first in the country to provide monitoring of Skype, to solve the current Skype network calls can not monitor the problem, online agents can not only be divided into a time period of arbitrary blocking, but it can be carried out traffic analysis statistics: more accurate analysis of the BT flow; mail monitoring queries provide HTML display to make the contents clearer To increase the use of MAC spoofing

Home Wi-Fi coverage is too small what to do? For those who live in large areas of the web, the investment of two or three Wi-Fi wireless routers to cover, and sometimes there are Wi-fi blind spots and bad signal areas. A free and easy-to-use wireless monitoring tool Netspot for Mac apps can help you quickly capture, visualize, and analyze your wifi data. It's a friendly and easy-to-use interface that lets you quickly scan your home's Wi-Fi signal dist

1.jconsole Tool JDK's bin/directory with the tools. The effect is shown in Figure 1-1. Figure 1-1 Jconsole 2.visual VM The JDK's bin/directory has its own tools. Heap dump can be used to parse programs, with a file suffix of. hprof. The way to heap dump is shown in Figure 2-1 Figure 2-1 JVISUALVM Heap Dump 2.1 Connect to local JVM processes Open the visual VM to see directly. 2.2 Connecting rem

The. NET framework is very powerful, which means it is highly likely to create good applications, but there is also the possibility of creating inferior programs. FxCop is one of the tools that help create better applications by analyzing assemblies and using many different rules to check whether it conforms to these rules. FxCop is accompanied by a set of rules created by Microsoft, and you can create and include your own rules. For example, if you d