Narrowing down the scope of the problem to get twice the result with half the effort. The law of problem occurrence and the specific environment often imply the cause of the problem.
The following are some checklists that can help narrow the troubleshooting scope. view these problems before the troubleshooting, maybe there will be additional discoveries.
1.
Have you installed the latest
Linux System Fault Analysis and troubleshooting Solution
When dealing with various faults in Linux, the symptoms of the fault are first discovered, and the cause of the fault is the key to final troubleshooting. Familiar with the log management of Linux system, understanding the analysis and solution of common faults, will help the Administrator to quickly locate the fault point. The right remedy promptly s
There is no wrong and right in the dream, there is no hatred and regret in the dream ... It's best to close your mouth so it's cute ... I will not say: This is not fair, I can not accept. I will use plain words to record the drip, 4 in the morning more up, one go recent harvest and evaluation, anger and repentance.A past four years ago.About 2010, I was troubleshooting a problem. The problem is described as follows: server: Linux Kernel 2.6.8/192.168.
There is no wrong and right in the dream, there is no hatred and regret in the dream ... It's best to close your mouth so it's cute ... I will not say: This is not fair, I can not accept. I will use plain words to record the drip, 4 in the morning more up, one go recent harvest and evaluation, anger and repentance.A past four years ago.About 2010, I was troubleshooting a problem. The problem is described as follows:Server: Linux Kernel 2.6.8/192.168.1
operation Knowledge knows less, in the operation does not pay attention to the operation of norms and safety, so some parts of the computer will cause damage. such as live Plug and pull equipment and board, installation equipment and board when the excessive force, resulting in equipment interface, chip and board, such as damage or deformation, which caused the failure. when a computer fails, we first have to judge the source of the fault, especially such as the motherboard of the larger equi
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Learn by example
Developing problem diagnostic skills in java™ee environments requires years of practical troubleshooting experience, even if you have a high level of skill in this technology. Of co
The actual desktop debugging process, such as in the case of audio playback problems, you may want to use Windows with the "Troubleshooting" tool to troubleshoot problems, can play a multiplier effect. The hotline engineer is easier to implement when directing user actions.
If you use the "Troubleshooting" diagnosis after the phenomenon remains, and then consider the normal
CPU as the core of PC computer accessories, the probability of failure is not large. The CPU processor in normal use, if not overclocking, generally will not appear any problem. Of course, due to the cooling fan shutdown, the radiator and the CPU bad contact caused by the frequent panic, restart failure is often occurred. For some older CPU processors, if the above situation is not resolved in a timely manner, but also may cause the CPU burned (the current processor provides a thermal protection
Tags: window technical data import comparative analysis backup IV technology sharing network related start timeProblem Description: Data calculation generation is not started until the daily necessary data is imported from the CRM database. The start of the calculation this morning was 2 hours later than normal. Maintenance personnel seizure is the process of data import that was completed in about 300 seconds and now takes more than 1 hours. The general t
In the past few months, my company has successively created several Internet cafes. As they are compatible with machines, some problems naturally arise. The problem was finally solved successfully through troubleshooting on site and communication with technical staff of the manufacturer. The following are some examples of troubleshooting to help you with troubleshooting
The basic troubleshooting methods for linux network problems may often encounter download or upload failures when running linux network applications. How can we find the problem points when we encounter such problems? The following are some troubleshooting methods summarized during the learning process. The basic troubleshooting methods for the linux network prob
This is a very simple question. I have summarized this question. First, it was because it was not as simple as I thought. During the process, I encountered some bumps and bumps, and even made some detours, second, I think about troubleshooting. June 19, around five o'clock P.M., a large number of enq: TX appeared in the database
This is a very simple question. I have summarized this question. First, it was because it was not as simple as I thought. Du
Kernel File "vmlinuz" is converted into "vmlinux" due to incorrect typing, so the system cannot find the executable file of the kernel. You can press any key to return to the GRUB editing interface and modify this error. Press enter and save and press "B" to boot normally. Of course, do not forget to modify the error in the grub. conf file after entering the system. This is an error that many new Linux users can easily make when modifying GRUB settings. When this black screen prompt appears, ob
Fault Phenomenon for a province Settlement Database Application in the run stored procedure found error ORA-30036: unabletoextendsegmentby8inundotablespaceUNDOTBS1 after a series of troubleshooting analysis: view the undo tablespace
Fault Phenomenon for a province Settlement Database Application in the run stored procedure found error ORA-30036: unabletoextendsegmentby8inundotablespaceUNDOTBS1 after a series of tr
RedHatLinux5 Startup Process and troubleshooting
RedHat Linux 5 Startup Process and troubleshooting
Related reading:
Linux troubleshooting TechnologyHttp://www.linuxidc.com/Linux/2013-07/88040.htm
Linux Startup ProcessHttp://www.linuxidc.com/Linux/2012-12/76406.htm
Linux Startup Process and the configuration file and script http://www.linuxidc.com/Linux/2013-04/8
Routine maintenance and troubleshooting of Oracle 11G R2 slave uard
1. for the Forced Logging mode, there are some DDL statements that can avoid writing redo logs by specifying the NOLOGGING clause (the purpose is to increase the speed, which is indeed effective in some cases). After specifying the database as the force logging mode, the database records all operations except the temporary tablespace or temporary rollback segment and ignores specified
Troubleshooting of mysql semi-synchronous replication and mysql Synchronization
1. BackgroundBy default, online mysql replication is asynchronous. In extreme cases, when switching between the master and slave databases, there is a certain probability that the slave database has less data than the master database. Therefore, after switching, we use tools to perform rollback and replenishment to ensure that data is not lost. Semi-synchronous replication
Ucenter integration, communication failure, debugging and testing troubleshooting methods. This article introduces the ucenter integration, communication failure, and debugging and testing troubleshooting methods. I hope this method will be helpful to you. The failure is due to your application. This article will introduce you to ucenter integration, communication failure, and debugging and testing
Problem backgroundI went to work on Monday. I first asked my colleagues about the test results last week. I was told that MySQL Server hang can't be tested in multi-instance scenarios,The native version does not have this problem, but this problem occurs in the new version.I was so shocked that I felt strange. Fortunately, the environment was still on the site and provided a good environment for troubleshooting. Then I went into the intense
Advertising Product Technology department has a job always stuck on a reduce, running for several hours also run, after their initial troubleshooting to find the cause of the problem, e-mail let me help to see, I looked at this streaming job is implemented in Python, and listen to their description, March before 17 The job is no problem, here are some possible problems:1. Problem with cluster node2, the configuration parameters of the job is not corre
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