charter troubleshooting

Lamp website access is very slow, from what aspects should be the cause of the troubleshooting? This is going to a large Internet company interview a question, please give a comprehensive answer! Reply content: Lamp website access is very slow, from what aspects should be the cause of the troubleshooting? This is going to a large Internet company interview a question, please give a comprehensive answer

[Nagios monitoring] NRPE: Unabletoreadoutput causes and exclusion nrpe is monitored run definition command normal, monitoring run #/usr/local/nagios/libexec/check_nrpe-H117.121.9.200-ccheck_oracle_tablespace error prompt... [nagios monitoring] NRPE: the reason for Unable to read output and troubleshooting the normal operation of the nrpe monitoring terminal definition command, monitor run #/usr/local/nagios/libexec/check_nrpe-H 117.121.9.200-c check_o

For security reasons, the setup account cannot be used to create a Workflow Based on the SharePoint 2013 workflow platform. if you try to create a Workflow Based on the SharePoint 2013 workflow platform by using SharePoint designer 2013, you receive a warning that the list of workflow actions do not exist, and the workflow is not created. The user who deploys and runs a workflow must be added to the user profile service. check the user profile service application page in central administration

important role in code troubleshooting, allowing programmers to roll back and modify code of earlier versions, and try to fix errors in the code library before they occur. 6. modular code without architecture is the main source for fixing bugs. As long as the code is easy to understand and theoretically works, it is not difficult for programmers to find and quickly fix bugs. On the other hand, the more important the Code has an error, the more likely

couldn't think of any settings, then I read the HTML and JS Code and finally found the difference. The reason is that the Code for opening a new window is placed in the Ajax callback function, and the code of that website is not written in the callback function. After finding the root cause of the problem, you can solve the problem and finally see the desired effect. $(‘#open_new‘).submit();dialog.showPayLayer(); // var fn = function(json) {　　// if(_model.isSuccess(json)) {

What are the possible causes of high load on MySQL databases? How to troubleshoot? This article will introduce the troubleshooting methods when the MySQL database load is high. Let's take a look at this process. The Troubleshooting logic is as follows: 1: whether the memory occupies a large number of swap partitions. 2: I/O pressure is not high, it is best to paste the top display information. 3: whether th

Document directory Verify that you are not running into issues that have been fixed Set the validationkey attribute if you are running in a web farm Do not store dynamically generated types in view State in a web farm Determine whether the problem is related to the view State Mac feature Determine exactly what exception occurs when you receive the error message Try storing the view State in the session Determine whether the problem is caused by Worker Process reconfiguring Original ar

Topics for troubleshooting and Tuning Systemwide statistics Instance/DatabaseV $ database tV $ instance tV $ option tV $ parameter T/PV $ backup tV $ px_process_sysstat T/PV $ Process TV $ waitstat T/PV $ system_event T/P DiskV $ datafile T/PV $ filestat T/PV $ log tV $ log_history tV $ dbfile T/PV $ tempfile PV $ tempstat P MemoryV $ buffer_pool_statisticsT/PV $ db_object_cache tV $ librarycache PV $ rowcache PV $ sysstat T/PV $ sgastat P ContentionV

ArticleDirectory Ajaxpro troubleshooting guide Ajaxpro troubleshooting guide Ajaxpro. dll has been used before, and it is very useful when the foreground calls the datatable in the background. The result is that the undefined error is always reported during use in the project yesterday. It's a headache. I rummaged through the materials, but I still couldn't find a good cure for the problem.

browser does not write the authentication information into the cookie, resulting in a lack of authentication information after login and jumps back to the login page, it makes people feel that they do not respond after clicking login. When I access the website using Firefox, I can log on successfully, but ie cannot log on. At this time, I initially determined that the failure was caused by the failure of IE to store cookies. After changing several computers, ie cannot log on. Therefore, it is

Network Sharing troubleshooting Question 1: The system prompts "the network location cannot be accessed. For network troubleshooting information, see Windows Help ." Or "network path not found"Cause Analysis: This is a problem with the line, or the other party may have used a firewall to block your access. Disable the firewall and check the network cable. Problem 2: no computers can be seen in the ne

Troubleshooting of inconsistent data query results in ORACLE databases I. Problem Description In a software development project, you need to create ten identical employee information tables in the ORACLE database tb_employeeinfo0 ~ Tb_employeeinfo9 and create a stored procedure for inserting data into these ten tables. The ORACLE database is installed in the Linux operating system.For ease of operation, developers can create tables and stored procedu

Oracle 11g cluster troubleshooting Symptom:The Oracle cluster does not seem to be drifting IP addresses. The number of all session connections is only concentrated on one node. If this node is disconnected, it will not be automatically connected to another node; Troubleshooting: Run the cluster status check Command on node RAC1 (pay attention to the red font Section ):Grid @ rac01: [/home/grid] crsctl stat

Vbox troubleshooting-installation in centos Because Oracle provides free Virtual Machine Software, Vbox has advantages over KVM, XEN, and Vbox: 1. When setting up the Oracle RAC system, it is very controllable (shared disk and Network Interface). Just a few clicks and you will be OK; 2. I have been using this software for more than three years; 3. supported technical documents are continuously updated; 4. Less resource occupation In the past two days,

Vbox troubleshooting-installation in centos, vbox-centos Because Oracle provides free Virtual Machine Software, Vbox has advantages over KVM, XEN, and Vbox: 1. When setting up the Oracle RAC system, it is very controllable (shared disk and Network Interface). Just a few clicks and you will be OK; 2. I have been using this software for more than three years; 3. supported technical documents are continuously updated; 4. Less resource occupation In the p

Troubleshooting ---- technology is like doing a math problemTroubleshooting ---- technology is like doing a math problemToday, when migrating FS shared servers, you may feel that project creation is like doing a math problem. If you have more experience, you can solve the problem as soon as you encounter a new math problem. Because the conditions known in the project are uncertain, and the device may be broken, the output may not be missing for you. Y

Problem description When the memory usage of the Linux Server exceeds the threshold, an alarm is triggered. Troubleshooting First, use the free command to observe the system memory usage, as shown below: totalusedfreesharedbufferscached Mem:24675796245871448865203570121612488 -/+buffers/cache:226176442058152 Swap:20964721082241988248 It can be seen that the total memory size is 24675796KB, 22617644KB is used, and only 2058152KB is left. T

Atitit. troubleshooting series --- NoClassDefFoundError ClassNotFoundException, dllnotfoundexception Atitit. troubleshooting series --- NoClassDefFoundError ClassNotFoundException 1. The class exception cannot be found in java. lang. ClassNotFoundException. This exception is thrown when the application tries to construct a class based on the class name in the string format and cannot find the class file w

Troubleshooting during linux StartupFault 1: The MBR is damaged www.2cto.com. If a CD is available, www.2cto.com will be directly installed to repair the MBR (Ensure that the hard disk has been installed with the system. first, we need to use the CD for boot to enter the installation item, type linux rescue to enter the First Aid Repair Mode 2. select language 3. select keyboard 4. select whether to enable the network. We only need to repair the syste

: ========================================================== ============================== RMAN-03002: failure of backup plusarchivelog command at 05/11/2014 23:56:53 ORA-19502: write error on file "/U01/app/test/rman/fra/TESTDB/backupset/2014_05_11/o1_mf_nnndf_tag201401_t235638_9pz7fpb5 _. bkp", block number 46336 (block size = 8192) ORA-27072: File I/O error. Additional information: 4 Additional information: 46336 Additional information: 53248 View the alert. log: No error message is generate