I believe everyone knows about Oracle log files. Next I will introduce you to Oracle Log File Management in detail. I hope you will have a better understanding of Oracle log files.
The ORACLE Log File $ ORACLE_BASE/admin/orasid/bd
Mysql The server quit without updating PID file exception solution after installing mysql, use Java code www.2cto.com/usr/local/mysql/bin/mysqld_safe to start mysql, always in The dead state, then I went to suport_files to use mysql. server start,The prompt "mysql The server quit without updating PID file" is displayed. I found it on the Internet. It turns out t
this article has two shortcomings: The post-cut log file is not named after yesterday's date; the Nginx service needs to be stopped. In order to cut logs to stop the service, I think it is not worth, if the traffic is small, the problem is not big, but the large number of visits, this practice is very undesirable. To compensate for these shortcomings, we have made improvements to this batch file.To use the
The following error is reported when installing xen in the RHEL-5.8:
Error post operation failed: xend_post: Error from the xen daemon :( xend. err 'device 0 (vif) cocould not be connected. hotplug scripts not working. ') domain installation does not seem successful. In this case, run 'virsh start vm02' to restart your domain. Otherwise, restart the installation. Error post operation failed: xend_post: Error from the xen daemon :( xend. err 'device 0 (vif) cocould not be connected. hotplug scr
operation is temporarily primarily logged for errors. For example, the error is logged in App/log/logerror.txt by default. If configured in the configuration file, log information is written to the directory specified in the configuration item Log
Ideas:
Step 1: Make Log Cl
Article Title: linux File Permission exception. 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 on as the root user, go to the HOME directory of the test user, and create a new file
1) Problem
When using MongoDB to insert data,"Exception 12520 FileAllocation failure"Error. As a result, the data cannot be successfully inserted into the database.
2) Analysis
After analysis, it is found that the disk space is full. After the redundant data is deleted, "exception 12520 File Allocation failure" still occurs. The solution is to restart MongoDB,
.inputCharset=GBKagent1.sources.source1.spoolDir=/home/hadoop_admin/Movielogagent1.sources.source1.fileHeader=trueAgent1.sources.source1.deletePolicy=immediateagent1.sources.source1.batchSize= +Agent1.sources.source1.channels=channel1# each sink's type must be definedAgent1.sinks.sink1.type =Hdfsagent1.sinks.sink1.channel=Channel1agent1.sinks.sink1.hdfs.path= HDFs://master:9000/flumetestAgent1.sinks.sink1.hdfs.filePrefix = master-Agent1.sinks.sink1.hdfs.writeFormat=Textagent1.sinks.sink1.hdfs.fi
different from the buffer level in which the Exception is loaded [at the beginning]. * For details, refer to core/Loader. in php, the _ ci_load () CI first ob_start () when loading the view, and then the output is processed. * Therefore, if an error occurs in the view file, the buffer level is 1 Different. in this case, flush the output content and output the error information. */If (ob_get_level ()> $ thi
the data before testing.
[[Email protected] _ backup ~] # Lsof | grep/var/log/messages
Syslogd 3477 Root 2 W Reg 418 2097231/var/log/messages
The process is running, and I will delete the/var/log/messages file.
[[Email protected] _ backup ~] # Rm-RF/var/
encountered an exception at 12:00:00 and needs to be restored to 10:00:00. The operation is as follows:
L back up the database to the status at 00:00:00.
L enter the following command in the command line:
Mysqlbinlog -- stop-date = "The time you want to recover" log file directory \ binary-log.000001 | mysql-u root
see spikes that write 100kb data to the log per second, then 1MB of log buffering is sufficient. It is also possible to use this metric to determine the log file settings more than the assembly is better. If the peak is 100kb/s, then 256M of log files are sufficient to stor
MySQL log Files are generally in varlogmysqld. log. The following describes how to modify the location of MySQL log Files. For more information, see
MySQL log Files are generally stored in/var/log/mysqld. log. The following descri
Label:Yesterday the power outage, this morning after the discovery of web anomalies, up to open Nginx, PHP-FPM, MySQL, etc., found that the request found abnormal ~ Nginx error log prompt *82 FastCGI sent in stderr: ' Primary script unknown ' while reading response headers from upstream Memcache's request is also abnormal PHP notice:memcachepool::get (): Server 192.168.17.145 (TCP 11211, UDP 0) failed with:permission denied (13) MySQL request prompt P
repeated rows appear. Head-n 5: Take the top 5-bit ip5, the shell statistics a day Access.log log per hour per IP access: awk-vfs= "[:]" ' {gsub ("-.*", "", $ $); Num[$2 "" $1]++}end{for (i in num) print I,num[i]} ' logs/access.log6, grep filter keyword grep ' 01/sep/2017:16:06:47 ' logs /access.logcat/opt/mongodb/log
(LogType logtype,string User, string module, String function, String message){Try{Log not logged with type Logtype.offif (LogType = = Logtype.off)ReturnJoblogdataset.joblogdatatable t = new joblogdataset.joblogdatatable ();One log file per day (. XML file), the file name of
Stepping Pit:Today, the data is exported by mysqldump, and a screen is executed on the target machine to execute the source import data. After a while to see, found unexpectedly import error. The error message is as follows:650) this.width=650; "src=" Https://s3.51cto.com/wyfs02/M01/91/EC/wKiom1j5eHOCZevkAABOppvE0qY767.png "style=" float : none; "title=" 11111.png "alt=" Wkiom1j5ehoczevkaaboppve0qy767.png "/>At first, I thought it was sql_mode setup, changed the Sql_mode to loose mode, re-import
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