First, IntroductionIftop is a real-time traffic monitoring tool under Unix-like system, which can monitor TCP/IP connection, and also can monitor the reverse resolution IP and display port information.Experimental environment: Centos 6.6 x86_64Iftop Version: 0.17Installation method: CompileNote: can also be installed directly with Yum, version iftop-1.0-0.7.pre4.el6.x86_64Second, start the installation1. Do
EBPF monitoring Tool Bcc series nine Bcc PythonNext look at Python knowledge.1. Initialize 1.1 BPFGrammar:BPF({text=BPF_program | src_file=filename} [, usdt_contexts=[USDT_object, ...]])Creates a BPF object that can interact to produce output.1.2 USDTSyntax: USDT ({pid=pid | path=path})To create an object to use USDT, you can specify the process ID, path.2. Event 2.1 Attach_kprobeGrammar:BPF.attach_kprobe(e
LoadHttp://www.ruanyifeng.com/blog/2011/07/linux_load_average_explained.html[3] Iostat, Vmstat and Mpstat Examples for Linux performance monitoringhttp://www.thegeekstuff.com/2011/07/iostat-vmstat-mpstat-examples/[4] vmstat vmstat commandHttp://man.linuxde.net/vmstat[5] Linux vmstat Command real-combat detailedHttp://www.cnblogs.com/ggjucheng/archive/2012/01/05/2312625.html[6] Factors affecting the performance of Linux serversHttp://www.rocklv.net/2004/news/article_284.html[7] Linux disk IO vie
.... m DB2FMP4, Refer:[1] Troubleshooting high I/O Wait in Linux--a Walkthrough on what to find processes that is causing high I/O Wait on Linux Systems[2] Understanding Linux system Load[3] Iostat, Vmstat and Mpstat Examples for Linux performance monitoring[4] vmstat vmstat command[5] Linux vmstat Command real-combat detailed[6] Factors affecting the performance of Linux servers[7] Linux disk IO view Iostat,vmstat[8] What Process is using the all of
about 10.5, and every 3 seconds disk reads about 62KB, writes about: 110KB, this value is not an accurate value, why? Know why? Because of the time period problemThe best test is to find the average number of times or use the method to find the current valueAs shown below:650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M02/6B/86/wKiom1Uvfk2jn_KzAAC-70HOJzU414.jpg "title=" 6.png " alt= "Wkiom1uvfk2jn_kzaac-70hojzu414.jpg"/>There are many more detailed extensions for Iostat, with the-X opt
The mysql Real-time Monitoring Tool mytop is similar to the linux top tool. It can monitor the performance information of mysql servers in real time. Installation Method1. install dependency # cpan> install DBI # cpan> install Term: ReadKey # cpan> install DBD: mysql # cpan> exit2. Download and install mytop cd/tmpwget http://jeremy.zawodny.com/mysql/mytop/mytop-
No matter how careful you are, it is impossible to completely avoid bad code. At this time, some tools are required to help us check whether there is any place in the code that will cause memory leakage. The ddms in Android tools comes with a very good memory monitoring tool heap (here I use the ADT plug-in of eclipse, and take the real machine as an example, the situation in the simulator is similar ). To
Erlang has provided a series of tools to view the running status. Is there any Web monitoring tool available? The following describes a great tool:
BigwigIt provides SASL log view, OTP process tree topology, process view (sorted by metric), Application Management, node performance sampling, process control, and other functions; this project is built on a successf
Python for beginners-a linux User Logon monitoring tool, python-linux
In the past few days, I want to learn Python. After reading some basic information, I felt a little boring, so I wanted to do something. If you think about it, just get a tool to detect Linux User logon ~
First, clarify the functions:
1. Capture login information of linux users. (This is easy
Download the Nmon for the system versionHttp://nmon.sourceforge.net/pmwiki.php?n=Site.Download
Wiki-nmonHttps://www.ibm.com/developerworks/community/wikis/home?lang=en#!/wiki/Power%20Systems/page/nmon
Decompression Run
Gzip nmon**.tar.gz
CD nmon**
./nmon*
View running Status Online
command and parameter description
Nmon-s 10-c 60-f-m/root/
-S 10: Collect data every 10 seconds
-C 60: Acquisition of 60 times, that is, 10 minutes of data acquisition
Many companies are upgrading their wireless networks to 802.11n to achieve greater throughput, wider coverage, and greater reliability, while ensuring the performance of wireless LANs (WLANs) is particularly important to ensure adequate network capacity and coverage. Below, we'll explore how to measure network performance through IPERF, a tool that is easy to use to measure tcp/udp throughput, loss, and latency.
Pre-application Preparation
Iperf is
1. Login Configuration Interface2. Show ProcesslistView the processes currently in use3. Warnings suggest which parameters you should optimize.4, introduce the configuration of the slow query, the other can be configured on their own, are simple English.The tool is good to use. The rest can be installed on their own to try.Official website: http://www.webyog.com/product/monyog#download-form-container (free 30-day trial for a fee)Cracked version downlo
example 2 customer Oracle database Large backup is inconvenient, then we can use our tools to monitor the Oradata folder timing backup of the DBF table space key information once the database is encrypted we can decrypt the recovery database without damage. This tool requires net4.0 and above components support, preferably run in Win7 8 win2008 2012 2016 and other high-version system requires right-click Administrator permissions to run. Http://www.s
This is my second tool used to monitor MySQL database performance: Spotlight on MySQL
Our server database is on Windows2003.
This tool is very fancy and has a very beautiful interface and comes with an alarm.
1. Create a connection
2. Monitoring Interface
3. View MySQL startup error logs
4. Parameter graphical interface
5. View Operating Sy
1. Installation Steps
The first step is to install wine.
Go directly to Ubuntu Software Center to search wine, click Install;
Step Two: Install common components.
By entering "Winetricks" in the terminal, you can choose to install windowsdlls and other common components that may be needed, such as: RICHED20,RICHED30,IE8,FLASH11,GDIPLUS,MSLS31,MSXML6, vcrun2005,vcrun2008, etc.;
Step three: Install Commitmonitor. (Installation package: commitmonitor-1.8.7.831.m
INNOTOP is a monitoring tool that displays MySQL and InnoDB in text mode. INNOTOP is written in PERL, which enables it to be used more flexibly on various operating platforms. it can monitor the running status of MYSQL and INNODB in detail, based on the results of DBA, you can: 1. innotop installation
Reference Official website: http://innotop.googlecode.com/svn/html/installing.html
# wget http://innotop.
timestamps This example samples are sampled 3 times per 250ms sample. The-t option is used to display the timestamp in the first column.jstat-gcoldcapacity-t218912503timestampogcmnogcmxogc ocygcfgcfgctgct150.11408.060544.011696.011696.0194 802.8743.799150.41408.060544.013820.013820.019481 2.9383.863150.71408.060544.013820.013820.0194812.938 The 3.863Timestamp column shows the elapsed time, in seconds, since the target JVM was started. In addition, the,-gcoldcapacity option output shows that th
MySQL Monitoring management tool--innotop1.innotop InstallationReference official website: http://innotop.googlecode.com/svn/html/installing.html# wget http://innotop.googlecode.com/files/innotop-1.9.0.tar.gz# TAR-ZXVF Innotop-1.9.0.tar.gz# CD innotop-1.9.0Installing the Innotop tool is very simple, it is written by Perl, and of course requires the Perl environme
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