siem log analysis

Web logs can be a good record of visitors and spiders visit, through the site log can be a good understanding of some of the situation of the site, which is why many SEO will go to analyze the reasons for the site log, but the analysis of the site log people do not necessarily fully understand the site

just set log_queries_not_using_indexes to ON, Slow_ Query_log is set to OFF, this setting also does not take effect, that is, the setting takes effect if the value of Slow_query_log is set to ON), which is normally turned on temporarily when performance is tuned.Question: Does the output log format for MySQL slow query be a file or a table, or both?By command: Show variables like '%log_output% ';mysql> show variables like ‘%log_output%‘;+------------

query time is 5 seconds.Mysql> set long_query_time=1;Query OK, 0 rows affected (0.02 sec)The above operation is limited to the current valid, the shutdown server has to be reset. The following method can be written directly to the MY.CNFLog-slow-queries=/var/lib/mysql/slowquery.logLong_query_time=1Second, the common parameters of Mysqldumpslow are as follows:-S followed by the following parameter indicates the order in which the Mysqldumpslow results are displayed!Number of times C query was ex

Linux system log and log analysis The Linux system has a very flexible and powerful logging function, which can save almost all the operation records and retrieve the information we need.The default log daemon for most Linux distributions is syslog, located in/etc/syslog or/ETC/SYSLOGD, and the default profile is/etc/s

[View system settings for slow queries]Mysql>Show variables like '%slow%';+---------------------------+--------------------------------+|Variable_name|Value|+---------------------------+--------------------------------+|Log_slow_admin_statements| OFF ||Log_slow_slave_statements| OFF ||Slow_launch_time| 2 ||Slow_query_log| OFF ||Slow_query_log_file| /Data/Mysql/localhost-Slow.Log |+------

MyCAT log analysis and mycat log MyCAT logs cannot be obtained for running information about MyCAT. For example, if MyCAT adopts read/write splitting, how does MyCAT execute a query statement, and which node each shard is distributed. The default value is the info level. You can set the debug level through log4j. xml to obtain more internal information about MyCA

The log analysis software adds multiple function points:1, increase the user's time password can enter their own, previously is the default password, and then you can login to modify.2. Asset Management adds asset import function.3, added alarm export function.4, added three-party interface configuration, you can configure mail, syslog, SNMP trap. This enables the sending of alarm messages to third-party in

：exclude_lines: [‘^[\/\w\.]+, Version: .* started with:.*‘] # Exclude the header修改之后：exclude_lines: [‘^[\/\w\.]+, Version: .* started with:.*‘,‘^# Time.*‘] # Exclude the header Modify Module/mysql/slowlog/ingest/pipeline.jsonBefore you modify: "Patterns": ["^# [emailprotected]:%{user:mysql.slowlog.user} (\\[[^\\]]+\\])? @%{hostname:mysql.slowlog.host} \\[(%{ip:mysql.slowlog.ip})? \ \] (\\s*id:\\s*%{number:mysql.slowlog.id})? \n# Query _time:%{number:mysql.slowlog.query_time.sec}\\s* lock_t

administrators to centralize multiple scattered files into one, similar to the C language #include, to include the contents of other files in the current file.Include is useful in that some programs place the dump log's configuration file in the/ETC/LOGROTATE.D directory, which overrides or adds/etc/logrotate.conf configuration items, and if no relevant configuration is specified, the/etc/ The default configuration for logrotate.conf.Therefore, it is recommended to use/etc/logrotate.conf as the

Recently, in the company's Nginx log analysis, one of the requirements is to extract the daily access to the TOP10 page this month, and its number of visits. To do this, the first thing to do is to clean up effective page access. I use the exclusion method to remove the. js. css and other access. But initially, I was not able to fully understand the request to remove the suffix. Cleaning, sampling, cleaning

Apache Log Split1. Configure HTTPD master configuration, create a file ending with Conf in the HTTPD sub-configuration directory, and add configuration information2. Create directory, add homepage, restart Service, turn off firewall3, visit the webpage, more refresh several times, view the access logApache Log Analysis1, the Awstats tool decompression, and mobile easy to manage2, install the configuration a

When dealing with various failures in the Linux system, the symptoms of the failure are the first to be discovered, and the cause of the failure is the key to eventual troubleshooting. Familiar with the Linux system log management, understand the common fault analysis and solution, will help administrators quickly locate the point of failure, "the remedy" to solve various system problems in a timely manner.

fixed name for sourcetype to facilitate searching. CD/opt/splunkforwarder/etc/apps/search/local Vim inputs. conf Sourcetype = Varnish /Opt/splunkforwarder/bin/splunk restart 3.SplunkStatement search # If you are using a custom index, you must specify the index during the search. Index = "varnish" sourcetype = "varnish" OK, then we can extract fields for sourcetype = "varnish. Splunk CONF file can be referred to: http://docs.splunk.com/Documentation/Splunk/latest/Admin/Serverconf This article fr