11. Monitoring and monitoring tool [watches and inspectors]
The monitoring [Watch] window contains several expressions [expressions]. It displays the values of these expressions in the second column. Ollydbg saves these expressions to The. UDD file of the main module, so they are equally valid during the next debugging
Linux monitoring tool introduction series-free and linux monitoring series-free
In Linux, we can view and monitor the system memory usage. The most common command is free. The free command is actually very simple, and the parameters are also very simple, but you may not know much about it. The following is a summary of the free commands I know. If any, please no
Linux Network Monitoring Tool ss, network monitoring ss
The ss command is used to display information about active sockets. Similar to netstat, but faster and more efficient than netstat.
ss -h
Usage: ss [OPTIONS] ss [OPTIONS] [FILTER]-h, -- help this message-V, -- version output version information-n, -- numeric don't resolve service names does not parse the se
No matter how careful it is, it is impossible to avoid bad code altogether, and tools are needed to help us check if there is a memory leak in the code. The DDMS in Android tools comes with a very good memory monitoring tool heap (here I use the Eclipse ADT Plugin, and in the case of a real machine, like in the emulator). The steps to use the heap to monitor the application process using memory are as follo
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 keyw
Tool: linux performance monitoring tool-nmon, linux-nmon
Nmon download: http://pan.baidu.com/s/1jICoSpo
It can be run directly in linux.
The nmon tool can display all important performance optimization information on a single screen and dynamically update it.
The nmon tool
MySQL monitoring tool-Innotop, mysql tool-innotop
Innotop is a powerful MySQL monitoring tool. It uses perl to show the running status of MysQL servers and Innodb in text mode.
Install innotop
: Https://github.com/innotop/innotop
Github provides two versions: The innotop-ma
display decoded content or packet-level statistics. These tools monitor and manage the network at the lowest level, as well as the most granular monitoring, at the expense of the process of affecting network I/O and analysis.
dhcpdump: A command-line DHCP traffic sniffing tool that captures DHCP request/reply traffic and displays decoded DHCP protocol messages in a user-friendly manner. This is a usefu
In the performance testing process, it is of great significance to monitor host resources. On the one hand, during the test, you can determine whether the pressurization is successful and whether the system can withstand the current pressure to ensure system security. On the other hand, after the test, you can sort the monitoring data, it can provide data support for performance analysis, problem discovery, and bottleneck search. This article will int
tools capture separate packages on the link, analyze their content, and display decoded content or packet-level statistics. These tools monitor and manage the network at the lowest level, as well as the most granular monitoring, at the expense of the process of affecting network I/O and analysis.Dhcpdump: A command-line DHCP traffic sniffing tool that captures DHCP request/reply traffic and displays decode
jvmstat_home:jvmstat installation directory JVMSTAT_JAVA_HOME:JDK directory, same as Java_home value
After configuring the two environment variables, you can run Jvmstat, run the command: Shell code VISUALGC PID #windows the system into the bat directory to run the command #linux the system into the bin directory after running the command
After the run interface automatically opens and displays the appropriate content, as shown in the figure:
From the jvmstat can be clearly observed in the
Comparison of open source monitoring software
Cacti (meaning cactus in English)
is a set of PHP, MySQL, SNMP and rrdtool development of network traffic monitoring graphical analysis tool, which through the snmpget to obtain data using RRDtool drawing, simplifying rrdtool use. Provides very powerful data and user management capabilities, specifying
What kind of monitoring tool is the most beloved of the Ops people?Which indicators need to be monitored? What can I monitor? How far can you monitor it? Perhaps these questions are not even clear to you. First look at the status of the Ops brothers.1 . Current status of operation and maintenanceThe traditional enterprise computer operation and maintenance is to notify the operation and maintenance personne
No webmaster is willing to their own site downtime, but Google server will be a problem, not to mention that I have small sites, broken servers. The best solution to the down machine is only one: solve it in time. To solve the problem in time to know when the site server down. You can not 24 hours to refresh their web page to see if the page is normal, not to expect your users will be the first time you notice the site down, unless you are Google.
Therefore, as a webmaster, web site
benefits;The data processing strategy of middleware will make your basic service more stable and efficient;Storage-side The biggest problem we encountered when using hbase was that it caused some IO storms after the data was deleted, and there was a situation where the Phoenix0.4.0 ran out of CPU (0.4.2 has been resolved). Our solution for these situations is to have the table split in time. In other words, a table is rolling like a log file by time, and the benefit is that deleting old data w
What kind of monitoring tool is the most beloved of the Ops people? which indicators need to be monitored? What can I monitor? How far can you monitor it? Perhaps these questions are not even clear to you. First look at the status of the Ops brothers. 1 . Current status of operation and maintenance the traditional enterprise computer operation and maintenance is to notify the operation and maintenance p
What kind of monitoring tool is the most beloved of the Ops people?Which indicators need to be monitored? What can I monitor? How far can you monitor it? Perhaps these questions are not even clear to you. First look at the status of the Ops brothers.1 . Current status of operation and maintenancethe traditional enterprise computer operation and maintenance is to notify the operation and maintenance personn
JVM Monitoring Tool Usage Guidance 2010-09-27 15:39 DOLPHIN-YGJ javaeye.comfont Size:T | T The use of the JVM monitoring tools can be found in time to remove the security risks, and here to describe the usage of several commonly used JVM monitoring tools, hoping to help you learn.Ad:51cto Net + the first App innovatio
based on the Sun HotSpot JVM Here are some of the monitoring tools that the Sun hotspot JVM comes with: Make sure that the Java_home/bin is configured under the PATH environment variable because the tools are in the bin directory of the JDK JPS (JVM process Status Tool): JVM machine process status Tools Used to view the specific state of all processes based on the hotspot JVM, including the process ID, p
(i) Nmon tools overviewNmon is a tool for Linux server monitoring, through the Nmon, can be implemented to monitor the following parameters:--CPU usage Rate--memory, swap space utilization--Usage of network--Disk I/O, read/write speed--Network I/O speed, transmission and read/write speed--top-level process to see which applications are consuming more CPU--Network File system NFS--File system usage (similar
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