fault handling

The online varnish has been running steadily before, and this time the website suddenly responds particularly slowly. View the log as followsThe system information is as follows:The memory usage is very low but the load is particularly high, because

Article Title: website Fault Handling Note: problems caused by apache. 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

Once opened the site, found 502, the first reaction must be PHP-FPM did not start, try to start or 502.1. First query Nginx log found the following connection PHP failure:2016/07/29 15:56:04 [error] 23760#0: *186 connect() failed (111: Connection

OVF Import detects version inconsistencies, etc.https://www.vmware.com/support/developer/ovf/Download a ovftool high version overlay into the VMware directory, and then import###############################################################After

1. Simulate kill the VNC service that is already started1) Start the Desktop 1 service[[email protected] ~]# vncserver:1new ' testdb:1 (root) ' Desktop is testdb:1starting applications specified in/root/.vnc/ Xstartuplog file

The customer calls to say that UCS Manager cannot log on, prompting the user name for password validation to fail. Rushed to the user site, found whether the console or the Web can not log in, for the current count only broken pry lock!By reviewing

OEM IntroductionOEMs are a toolset that uses an intuitive and easy-to-use graphical interface to control and manage Oracle databases, and it contains a number of tools that are useful to DBAs. In Oracle, database management and operations can be

System Environment: Oel6.5_x86Database version: Oracle 11g 11.2.0.3.0 First, [failure phenomenon]In the process of installing Oracle 11g, the first graphical interface has just been displayed, followed by a failure warning dialog box.650)

Today after work received a database monitoring sent by the alarm message, the contents are as follows:Server monitoring System DBA monitor V1.0-------------------------------------------------------Alarm server: **************Alarm Host Name: ******

A developer directly on the database server to do the delete table operating system, from the time of the peak operation, resulting in a long time to execute unresponsive, and then shut down the Sqlplus client, run the DELETE statement again,

                 Scheduled Task management                  At  One-time task settings.   Service Script:/etc/init.d/atd  use method;   #at   13:00  2017-11-4  Enter At> interface, Set up tasks.   finally press Ctrl+d to submit the key combination.

Recently, in the process of importing JEECG3.5.2 open source projects under the ECLIPSE-JEE-LUNA-SR2-WIN32 development environment (Java version:1.7.0_60), I found that internal Error was reported during the build workspace process. Viewing the. log

The python on the VPS is 2.6 and wants to upgrade to 2.71. View the Python version#python-V Python 2.6.6 2. Download python2.7 #wget http://python.org/ftp/python/2.7.6/Python-2.7.6.tar.bz2 #tar-JXVF python-2.7.6.tar.bz2

1. Sun JDK monitoring and troubleshooting tools1) The JPS:JVM process Status Tool displays all the hotspot virtual machine processes within the specified system. You can list the running virtual machine processes and display the virtual machine

The configuration of the DRBD process occurs with primary/unknown failures, which are finally resolved by the following method.1, node Status View (1) Master node status[Email protected] drbd.d]# CAT/PROC/DRBDversion:8.4.3

There are many valid command-line tools in the Bin directory of the jdk, which are the encapsulation of the Jdk\lib\toos.jar class Library.first, jps: virtual machine process status tool, query out Lvmid.second, jstat: Virtual Machine Statistics

6th. TCP/IP routing protocol fault handlingFirst, the default gatewayWhen the destination address of the package is not in the router's routing table, such as when the router is configured with a default gateway, it is forwarded to the default

In today's maintenance process, the task cannot be triggered. The problems involved are: Task acquisition is triggered by the client, which leads to this possibility. If all tasks are implemented on the server, this problem will not occur.

1. What is transient fault? Transient fault: I thought about how to translate this phrase for a while. It is also called an instant error. For example, a large number of projects now use WCF. If the connection times out due to transient network

Transferred from: http://blog.csdn.net/vanbreaker/article/details/7870769Copyright NOTICE: This article for Bo Master original article, without Bo Master permission not reproduced.There are two types of fault pages in user space--1. The linear