The server has recently suffered hacker intrusion. Intruders are skilled, delete IIS log files to erase traces, you can go to the Event Viewer to look at the warning message from W3SVC, often find some clues. Of course, for Web servers with very large access, it is almost impossible to rely on manual analysis-there's too much data! A Third-party log analysis tool can be used to describe only one of the IIS
This document explains how to use log analyzer (readlogs.exe) to diagnose Microsoft Internet Information Server (IIS) problems. This article also discusses some general debugging concepts and explains what to look for when reviewing ReadLogs output.Log File analyzer agrees to use the external monitor together to help us identify the causes of IIS conflicts or oth
format is: SQLCMD -u user name-p password-S IP address If the port number is omitted, the default connection is 1433 port It has a slightly different connection method and Query Analyzer, assuming that the password for the SQL2005 server SA on 192.168.1.55 is SA, The port is 1434 We can connect like this sqlcmd-u sa-p sa-s 192.168.1.55,1434 If you connect port 1433, you can omit the port: sqlcmd-u sa-p sa-s 192.168.1.55 (also note that-u,-p,-s
How to Use the SARG log analyzer on CentOS to analyze Squid logs
In the previous tutorial, we showed you how to use Squid to configure transparent proxy on CentOS. Squid provides many useful features, but it is not straightforward to analyze an original Squid log file. For example, how do you analyze the timestamp and number in the following Squid
It has been a long time since the previous version.
When V1.0 is used, it is called CYQ. IISLogViewer.
During V2.0, a Chinese name is given, which is:
Website log analyzer V2.0
After upgrading to 3.0, I changed the name:Autumn-style website log analyzer V3.0
Key points of this version upgrade:1: Overall upgrade to av
Oracle Log Analyzer Tool Logminer use
1. Set Date format
Alter system set nls_date_format= ' Yyyy-mm-dd hh24:mi:ss ' scope=spfile;
Select To_char (sysdate, ' Yyyy-mm-dd hh24:mi:ss ') from dual;
2. Add Supplemental Log
If the database needs to use Logminer, it should be added, only after this log is added to captur
server| Query Analysis
These days in the web development, often need to connect SQL Server, but SQL Server is the server on the Internet, the service provider gave a sqlconnectionstring, However, in the connection string found that the SQL Server does not use the default 1433 port, so I would like to Query Analyzer should not log on, the results verified that my idea is right. In this case, you can only wri
More common analysis information(Prepared by qingapple studio)This section discusses the different outputs that you may see in log files, how they will help you debug applications, and how to make them more effective.When you look at the raw logs generated by the IIS debugger, you will notice that there are many lines before you reach the access conflict in the log. This is because the debugger obtains and
First, prefaceIn recent years IT industry willow, a variety of new concepts such as big data, cloud platform, virtualization, etc., springing up endlessly. And the cloud platform, can be said in recent years to lead the era of the trend of the edge of one of the concept, major manufacturers compete to launch a variety of cloud products, seize the cloud market heights. Recently, IBM, the IT century-old factory, has also launched Bluemix, a cloud platform based on cloudfoundry open standards, that
About 5 things you don't know about Java performance Monitoring-part 2nd: Java process monitoring with JDK built-in analyzer
Fully functional built-in analyzers, such as Jconsole and VISUALVM, are sometimes more expensive than their performance costs-especially in systems running on production software. So, in the 2nd article focusing on
Using VPA to quickly locate Java application performance bottlenecks
Introduction: Large Java applications call a large number of classes and methods, how to find the application performance bottlenecks in the thousands of lines of code? In this article, the authors describe how to select Profiling Tools for different performance issues, sample performance issues, and use Visual performance
Overview
WHO implements the Java application without a problem? Well, let's be honest ... Code Analyzer is the only custom tool to solve this pervasive problem. In this article, Laurence Vanhelsuwé will review three commercially available Java parsers: Borland's Optimizeit suite, Quest software suite, And the Jprofiler of Ej-technologies. Now the software is s
Memory analyzer (MAT)-Java memory dump analysis tool
The eclipse memory analyzer is a fast and feature-richJava heap AnalyzerThat helps you find memory leaks and reduce memory consumption.
Use the memory analyzer to analyze productive heap dumps with hundreds of millions of objects, quickly calculate the retained siz
1. Gossip
Recently learned the principle of compiling, the need to use language to implement a lexical analyzer, in fact quite simple, mainly involved in some language string manipulation, if the regular expression, the feeling of implementation of this will be very simple, but I do not ah, and then their own Java implementation, It also reinforces the use of some character manipulation methods for
One, install Eclipse Memory AnalyzerFind the address of the update site at Memory Analyzer's website:Then: In the Eclipse interface--->help--->install New software--->add--->add reposity, and in location enter: Update Site address, you can install.Two, raw piles dump fileThis generates a heap dump file using the Jmap command.Ctrl+alt+delete open Windows Task Manager, click: Process---> Find the PID of the currently running Eclipse/myeclipse process. "If the PID is not shown, you can click: View-
C Language Lexical analyzer written in JavaThis is the Java written C language Lexical analyzer, I also refer to a lot of code, and then the core code to organize, in the QQ Space and blog, the purpose is to learn from each other, hoping to get expert improvement. This lexical analyzer implements features that open fil
first, what is Jconsole?
Jconsole has been introduced from Java 5. Jconsole is a built-in Java performance Analyzer that can be run from the command line or in a GUI shell. You can easily use Jconsole (or, perhaps, its more high-end "close cousin" VISUALVM) to monitor Java application performance and track code in
{SYSTEM.OUT.PRINTLN ("File open Failed");}} /* * Determine if the read-in character is a letter */public static Boolean isletter (char c) {if ((C >= ' a ' c //Interface code: Import Java.awt.borderlayout;import java.awt.dimension;import java.awt.toolkit;import java.awt.event.ActionEvent; Import Java.awt.event.actionlistener;import Java.io.bufferedreader;import Java.io.bufferedwriter;import Java.io.file;import Java.io.filereader;import Java.io.filewriter;import Java.io.ioexception;import Java.u
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