Transferred from: HTTP://WEIBO.COM/P/230418702C2DB50102VC2HAndroid has been a few years, but the NDK's opening speed is very slow, so the current network on the Android Nativecrash analysis of the relatively few, especially the very detailed analysis method is more difficult to query. As a result, most programmers helpless when they encounter crashlog that are difficult to addr2line. In fact, the other part
The log analysis after a server crash is explained here. the report written by NND suddenly disappears. alas, is it the reason why I watched the video yesterday, 360 or something is really unreliable. forget it. According to the valogmessage analysis, the system was still able to provide services normally before January 1, October 11. for example, the
VPS is now a lot of webmaster accustomed to use one of the host, its function is basically similar to the server, but the price is much cheaper, and the virtual host compared to have more advantages. Website Log analysis is one of the necessary work every day, especially the analysis of the site is down right, which pages are included, and so on, the following au
Article Title: #29992; Swatch #20570; Linux #26085; #24535; #20998; #26512 ;. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.
Log files are an important reference for us to find system problems. Most system services send messages to syslogd (system log daemon) when
error logs of java_errorpid.log.
1. How to obtain this log fileIf a serious error causes the Java Process to exit abnormally, we call it crash. At this time, a log file will be generated. By default
Files are generated in the working directory. However, you can use the following settings in the Java startup parameters to change the file location and naming rules. For example:Java-XX: errorfile =/var/
Previously, I used GoogleAnalytics to analyze the website. I felt that it was not very good for users to make one more request, so I analyzed and counted apachelog. It took about an hour to install and test awstats, which was better than expected. Under CentOS6.3, AWStats + GeoIP allows you to view the Website access locations at http://www.linuxidc.com/linux/2013-06/85984.htmnginxlog analysis awstats=jawst
Previously, I used Google Analytics to analy
catalogue .INCLUDE/ETC/LOGROTATE.D # contains All the configuration files in the/ETC/LOGROTATE.D directory/var/log/wtmp{ # to /var/log/wtmp This log file is rolled back according to the following settings logMonthly # rotate once a monthCreate 0664 rootutmp # set wtmp This log file permissions, belong to the
Linux log rotation analysis [plain] # Log rotation for/etc/Cron in the default sub-cron. daily/logrotate # the log file depends on the configuration file/etc/logrotate. conf # Description of the configuration file weekly # By default, logs are cleared once a week in rotate10 # warranty... linux
/crash
Iii. implementation of the Symbolicatecrash
Open the terminal with the command switch to the desktop crash directory:
1 cd/users/your computer name/desktop/crash
Execute command
1./symbolicatecrash/users/angelseahappiness/desktop/crash/control_2014-01-13-111838_Lynns-iPad3 . Crash/users/angel/desktop/crash/control. App. DSYM > Control_symbol. Crash
At this point the terminal may appear:
1 Error:
Use Note:
To modify the absolute path of the IIS log in the iis.php file
For example: $folder = "c:/windows/system32/logfiles/site log directory/"; Be sure to bring a slash (/) in the back.
(with virtual space do not understand the absolute path of your site to see?) Upload a probe!
Direct Check view: http://site domain name/iis.php
Local view: To download the log
Python writes a squid to access the log analysis applet, pythonsquid
In the past two weeks, several people in the group want to learn python, so we have created such an environment and atmosphere for everyone to learn.
Yesterday, I posted a requirement in the group to count and sort the number of ip segments and the number of URLs in the squid access log. Many of
I. OverviewBased on the analysis of 0.19.1, this article shows some alibaba hadoop optimizations. This article does not involve the jobtracker and nodename metadata. This article mainly describes some logs generated by a task in the computing stage and some log problems.Ii. Brief Introduction to logsWhen all the daemon processes get up (for simplicity, we use the pseudo-distribution mode, which is built on
AgendaUnderstanding syslog SystemFamiliar with syslogd configuration files and Their syntaxLearn to view system logsUnderstanding the necessity and implementation of log rollingSyslogWhat is SyslogLogs are mainly used for system auditing, detection tracking, and analysis statistics.To ensure the normal operation of the Linux system and accurately solve various system problems, carefully reading
Logstash,elasticsearch,kibana How to perform the Nginx log analysis? First of all, the schema, Nginx is a log file, its status of each request and so on have log files to record. Second, there needs to be a queue, and the Redis list structure can be used just as a queue. Then analy
MySQLbin-log Analysis MethodAuthor: Echo Chen (Chen bin) Email: chenb19870707@gmail.comBlog: Blog.csdn.net/chen19870707Date:September 9th, some time ago, the game server is always very slow when the server is stopped, lucky is that the game database has opened the bin-log, therefore, you can use bin-log to analyze the
For Linux systems with a large number of accounts and BUSY systems, their log files are extremely large, and a lot of useless information will overwhelm the information worth noting, this makes log analysis inconvenient. There are some tools dedicated to log analysis, such a
Get a basic understanding of a few commands first.
The script is based on the log format above, and if you have different log formats you need to adjust the parameters behind awk.
UserAgent in the analysis log
The code is as follows
Copy Code
Cat Access_20130704.
A basic tutorial on MySQL slow query log analysis,
0. First, check whether slow query is Enabled:
(1) quick way to run SQL statements
show VARIABLES like "%slow%"
(2) go to my. conf to view the information.
Configuration in my. conf (add it below [mysqld)
[Mysqld] log-slow-queries =/usr/local/mysql/var/slowquery. loglong_query_time = 1 # Unit:
Learn to use shell analysis log only one morning!!!
Many places to share the log analysis of the shell script, but basically did not say the specific meaning of each command, learning cost is very high, summed up here, to facilitate the quick start.
1, users under Windows to use the shell command, please install Cygw
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