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SQL statement to extract MySQL binary logs in PHP

In the previous article, when extracting SQL statements from the log, I ran into a sentence of SQL that was not extracted across n rows. Later on the web search for two shells:Sed-n '/^insert/,/;/p ' log.sql > Log_insert.sqlSed-n '/^update/,/;/p ' log.sql > Log_update.sqlAfter the practice found that the two shells are flawed. This is a problem that needs to be solved, and today is the opportunity to use PHP to extract the cross-row SQL. Note that it is clear to note that the variable $action is

InnoDB transactions and Logs & JTA transactions

Label:What is the InnoDB engine's Row lock done (or implemented) by adding? Why is that so? multiple versioning via row MyISAM Innodb Things support: Support Not supported Size of Lock: Table Row Storage capacity: No upper limit 64TB Hash index: Support not supported Full-Text indexing : Support Not supported FOREIGN key : Support Not supported (1) How many kinds of logs are there? Error log: Log error messages, also record some warning

Linux system logs

|headuser pts/1 192.168.188.3 Thu Feb 1 01:01 - 01:01 (00:00) root pts/1 192.168.188.3 Wed Jan 31 22:41 - 22:42 (00:00) root pts/0 192.168.188.1 Wed Jan 31 22:15 still logged in reboot system boot 3.10.0-693.el7.x Wed Jan 31 22:15 - 02:06 (03:51) root pts/0 192.168.188.1 Wed Jan 31 21:58 - down (00:16) reboot system boot 3.10.0-693.el7.x Wed Jan 31 21:57 - 22:14 (00:17) root pts/0 192.168.188.1

Use WEB logs to determine server security

Web logs are an important basis for determining server security. They can be used to analyze and determine whether a server is intruded, and use them to perform reverse tracking on attackers. Therefore, Web Log attackers tend to remove logs quickly.I. Common tactics for attackers to clear logs1,WebLogs in the server systemTake a Web Server on Windows Server 2003 as an example. Its

How to Use Syslog To record UNIX and Windows logs

In large-scale network applications or applications with certain security requirements, you usually need to classify and review system logs. By default, each system records its own logs on the local hard disk.In large-scale network applications or applications with certain security requirements, you usually need to classify and review system logs. By default, eac

Clean your ass-clear intrusion logs

Application logs,Security logs,System logs, Default DNS log location: % SystemRoot % system32config. The default file size is kb, Which is changed by the Administrator. Security log file: % SystemRoot % system32configsecevent. EVTSystem log file: % SystemRoot % system32configsysevent. EVTApplication Log File: % SystemRoot % system32configappevent. EVTDefault FT

Logs in MySQL

Actually: First, use Windows as the environment: Logs in Windows Overview of log file types:1.The error log records the problems that occur when you start, run, or stop mysqld.My. ini configuration information:# Enter a name for the error log file. Otherwise a default name will be used.# Log-error = D:/mysql_log_err.txt2.Query the Client Connection established by log records and the statements executed.My. ini configuration information:# Enter a name

Delete archivelog all cannot delete archive logs completely Solution

Recently, due to the surge in archive logs, deleting archivelog all seems to be unable to clear all archived logs. Why? 1. Demo Environment SQL> select * from v $ version where rownum BANNER ---------------------------------------------------------------- Oracle Database 10g Release 10.2.0.3.0-64bit Production SQL> select inst_id, instance_name from gv $ instance; --> two nodes RAC INST_ID INSTANCE_NAME

Methods for clearing system logs with batch processing files

What is a log file? It is a collection of file systems that exist by creating log files of various types of data. When any system crashes or needs to be restarted, the data will be restored following the information records in the log file. Logs play an obvious role in system security. Both network administrators and hackers pay great attention to logs. An experienced administrator can quickly learn about t

Using log4j to log errors, output logs in Java

, priority, [class name], log information, line breaklog4j.appender.r.layout.conversionpattern=%n%n%d%p[%c]-%m%n Step three: Define the Log class Log.java PackageCom.kyny.weather.log;ImportOrg.apache.log4j.Logger;ImportOrg.apache.log4j.PropertyConfigurator;/*** Log class *@authorZhoucan **/ Public classLog {//Logger Instances PublicLogger Logger =NULL; //encapsulate the log class as a singleton mode Private Staticlog log; //constructor to initialize the required properties for th

Linux logs on to the server with a non-user password

. The server generates the key pair, generates the key pair default path ~/.ssh, prompts for the key pair password, if the input is empty, the login without password. Id_rsa and Id_rsa.pub files will be generated in the. SSH folderSsh-keygen4. Generate the Authorized_keys fileCat Id_rsa.pub >> Authorized_keys5. Change Authorized_keys file permissions (important)chmod Authorized_keys6. Exit the server and copy the Id_rsa file ("key" file) to the client. SSH folderEXITSCP [Email Protected]_ip:~/.s

How to view logs under Linux in real time

Linux log files in the/var/log directory, you can view the log files by command. 1,cat messages can view a log file. 2, to achieve real-time updates, you can view the updated data through the tail command, such as TAIL-F messages. 3,tail Command parameters: -F Loop Read -Q does not display processing information -V displays detailed processing information Number of-c -n -S,--sleep-interval=s and-F are combined to indicate the sleep s seconds at each repetition

"Thinkinginjava" 25, log abnormal output to logs

/*** Book: Thinking in Java * Function: Log the exception output to the journal. * File: loggingexceptions.java* time: April 8, 2015 21:11:51* Author: cutter_point*/package Lesson12_error_handling_with_ Exceptions;import Java.io.printwriter;import Java.io.stringwriter;import Java.util.logging.logger;class Loggingexception extends exception{private static Logger Logger = Logger.getlogger ("loggingexception");p ublic Loggingexception () {StringWriter trace = new StringWriter ();p rintstacktrace (n

The Python language--crontab writes logs to a file every day, in conjunction with a Python script implementation

First, the foregoingThere are a lot of ways that Python scripts can be written to log files on a daily basis in the actual work, and there are a number of methods to achieve this effect. This article chooses a way to realize, special will realize the detail to do the following to share, improper place please correct.Second, the specific1. The Python script needs to add logger output to each Python file.As follows:2. Add a background execution mechanism to the shell script.Note:1, Nohup is the ke

Logstash collection of Java logs, multiple lines merged into one line

-2018.05.29] creating index, cause [auto(bulk api)], templates [], shards [5]/[1], mappings [][2018-05-29T11:29:31,225][INFO ][o.e.c.m.MetaDataMappingService] [node-1] [securelog-2018.05.29/ABd4qrCATYq3YLYUqXe3uA] create_mapping [secure]3. Configure Logstash#vim /etc/logstash/conf.d/java.confinput { file { path => "/var/log/elasticsearch/cluster.log" type => "elk-java-log" start_position => "beginning" stat_interval => "2"

Java Basic Learning Supplement--Exception handling and log4j logs

throws to throw the declaration.Custom exceptionsCustom exception classes, you must base existing exception classesTypically, exception or runtimeexception are inherited, respectively, to declare a check-time exception and a run-time exception.and rewrite its getmessage () method.Use of log4j logsUse of log4j:1. Import Log4j.jar2. Create the Log4j.propetites profile under SRC peer3. Get a Log object through Logger.getlogger () in the class that needs to print the log4, respectively call differe

Linux logs all user operations commands to facilitate post-audit

recorded, it is possible to enter the log records directory, file deletion or file modification, it is necessary to upload these files to the Log collection server in a timely manner, preferably a background real-time monitoring process, the directory under the file changes, Directly trigger the synchronization operation, the file timely synchronization to the Log collection server, the network also has all the records in real-time through the log process syslog, the log sent to the log server

Simple command to view Linux under logs with SECURECRT

changes, exit VISet NuShow line NumbersOr?Find, enter what you are looking for in/afterNwith/or, if the search is not the keyword you are looking for, press N or backwards (with/to) or forward (with?) to continue looking until you find it.For the first use VI, there are a few notes to remind:1. When you open a file with VI, you are in command mode, and you want to switch to insert mode to enter text. Toggle method: Click on the letter "i" "Command mode" to enter "Insert Mode", then you can star

The native code in JNI prints the logs into Eclipse's Logcat

same way you use printf1.3 Log types1) log.v debugging color is black, any message will be output, here V for verbose wordy meaning, usually used is log.v (,);2) The output color of LOG.D is blue, only the meaning of debug debugging is output, but he will output the upper level of information, filtering can be selected by DDMS logcat tag3) LOG.I output is green, general informational message information, it will not output LOG.V and LOG.D information, but will display I, W and e information4) L

The method of logging all user operations logs on time by login IP (with script)

Ps:linux user operations records are generally viewed through the command history, but if the important data is deleted because someone mistakenly manipulated it, this situation does not work. The following methods can be implemented by logging the login IP address and all users log on the operation of logging!At the end of the/etc/profile configuration file to add the following script code can be implemented, the following script is my online search, the original author does not know. But the o

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