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1. Recover password fileOrapwd file= $ORACLE _HOME/DBS/ORAPWOCP password=oracle force=y ignorecase=y; --Note: whether the common user's password is case-sensitive and Sec_case_sensitive_logon by the initial parameter, and not the password file

CSDN has a lot of examples and tutorials on log4j, some are very good, but in order to consolidate knowledge, I also write a bar. my request to log4j is not very high, mainly has two uses one) How to use log4j and common-logging packages in

MySQL is divided into two roles 1, master server Master 2, from the server slave MySQL master-slave replication is the database synchronization between two servers, can also be understood as a backup of the primary server, when the master server

Win9x article The 2 C:windowssystem.dat and C:windowsuser.dat are registry files. In addition, the system starts every day for the first time will do a backup, stored in the C:windowssysbckup under the name of Rb***.cab, Can be restored with

Hello everyone, I am the Phantom of the Rain. For SEO diagnosis, has been my insistence on a work, because of SEO diagnosis, diagnosis is the site of the past and present morbid, and then through the diagnosis to find the optimization of the

Capture the meaning of the session event: 1, record the site's customer login log (login, exit information, etc.) 2, Statistics online number 3, and so on there are a lot of, oh, I think it ... Anyway, it's very important. Session represents the

This example combines the new features of j2se5.0 's generis to look at the new features I wrote j2se5.0 generis Shoppingcart.java Package Org.jboss.tutorial.stateful.bean; Import Javax.ejb.Remote;

Database platform: SunOS 5.8 generic_108528-23 sun4u SPARC sunw,ultra-enterprise Database version: 8.1.5.0.0 Database symptoms: Database response is slow, application requests cannot be returned, business operations are stalled, and DBA

Many times, because of backup or other reasons, the log log files of the database have been lost, what should we do when the database files cannot be attached through normal SQL Enterprise Manager? Here are two ways for you to refer to: Method One

Simply put, a program has only one main thread, and can have multiple main threads. The same is true in the Android world, Android is a single-threaded model, and time-consuming operations must be performed in a non main thread, so Google provides

MySQL read-write separation is to improve the speed of Web site access, improve the database of concurrent load capacity. However, in the actual production environment, the single MySQL as a stand-alone database is completely unable to meet the

First, the start times wrong "Starting Nagios:this account isn't currently available" Workaround: Modify/ETC/PASSWD Change the/sbin/nologin into/bin/bash Second, Nagios installed, Web Access to the following error: You do not have permission

mysql| Backup | data | data synchronization Setting up MYSQL Data synchronization MySQL provides database replication functionality after version 3.23.15. The function of two database synchronization, master-slave mode and mutual backup mode can be

Connection code Echo ' a ';$CN = mysql_connect ("localhost", ' your MySQL username ', ' your MySQL user password ') or Die (Mysql_error ());if ($CN){Echo Phpinfo ();}Else{echo ' MySQL connect fail ';}?> Because the server is using a security

Hello everyone, I am Chengzhou. Do not know how many friends have used Google Webmaster tools, to tell the truth because they have been doing Baidu optimization work, for some of Google's attention is indeed very little, I believe there are many

1. First of all, we need to return to the Win7 flagship system desktop location, and then we double-click the computer to open the desktop, and then in the open Win7 Flagship Computer Explorer window, we double-click into the C disk. 2. In the open

debugging (Debugging) and logging (logging) are very important when you are developing a program, but there are too many logging APIs available now because they're all good and it's hard to make a choice. The Foreign Java Forum also has some

"Editor's note: The previous article, we told the ARP virus on the location of the computer, here we introduce to you the ARP virus computer killing methods." 】 Six, the ARP virus computer's killing method Through the above method, has found the

1. Install and configure: DHCP service: 1) Yum list |grep DHCP 2) yum Install dhcp*-y 3) Edit/etc/dhcpd.conf √RPM-QL DHCP √ Find dhcpd.conf.example This file, copy to/etc, replace dhcpd.conf Cp/usr/share/doc/dhcpd.conf.example/etc/dhcpd.conf √

The MySQL master-slave copy structure is based on the MySQL Bin-log log from the library by opening the IO process to receive the Bin-log log increment information from the main library, and save to the local relay log, and then by opening the MySQL