dns not resolving

Problem: After cloning the system, enter the system to start the network card errorWorkaround:1. See if Udev-post is started2. Edit Vi/etc/udev/rules.d/70-persistent-net.rules Compare the following two charts, comment out the first line of eth0 with no comments and the # numberModify the Name= "eth1" at the back of the second line to Name= "eth0"3. Restart reboot nowA new problem occurred after restarting: Start network card errorCat/etc/sysconfig/network-scripts/ifcfg-eth0See different MAC addr

write into it.# Make sure don't to do, on system directories as they may already has# been marked with othe SELinux labels.## use Ls-ldz/path to see which context a directory have## Set Labels Directories you created!# to set a label use the FOLLOWING:CHCON-T Samba_share_t/path## If you need to share a system created directory you can use one of the# following (Read-only/read-write):# setsebool-p Samba_export_all_ro on# or# setsebool-p SAMBA_EXPORT_ALL_RW on## If you want to run scripts (preexe

Mounting moduleYarn Add Http-proxy-middlewareIntroducing ModulesApp.jsvar proxy = require ("Http-proxy-middleware");Using modulesApp.jsvar app = Express ();The requested routing address (interface file) for cross-domain request of the protocol domain nametrue}))Front-End Access interfaceIndex.html$.ajax ({type:"get",Direct incoming routing address without adding a domain name URL:"/ajax_www_68ecshop_com.php?act=tipwordword=xiaomi152790640006565",　　DataType:"JSON", s

　　Jquery.placeholder.js resolving the Input Property placeholder property in IE8 compatible h5

In the CSS for the browser, the new features always add a -webkit,-o, -moz to adapt to the browser, write the annoyance, look also bloated, so that the readability of the CSS is reduced, the following shadow as an example, How to use Scss to make our CSS look more concise. I use the IDE for Intellij_idea, about scss How to use, go out left to the shadow for example: When you write in Test.scss:1 @import "function";//Introducing a custom Function function 2 Div {3 width: 200px; 4 height: 200

ObjectiveIn spring Cloud, the feign and ribbon may have failed the first call after consolidating the hystrix, how do you solve the problem?The cause of the problemHystrix the default time-out is 1 seconds, and if the time is not yet responding, it will enter the fallback code. The first request tends to be slow (because of the lazy loading mechanism of spring, to instantiate some classes), the response time may be more than 1 seconds. After knowing the reason, let's summarize the solution to pu

Create an application using Yii, recommended blog:http://www.cnblogs.com/waitingbar/archive/2013/02/28/2937308.htmlWhen you add Php.exe as a system environment variable, the run YIIC command appears YIIC not an internal commandThe company uses is WAMPP, the former oneself configures the Wamp to unload, the new study.1 Download Yii framework from official website2 put it in PHP to access the place, mine is D:\XAMPP\htdocs\yiitest3 for YII configuration requirements Check, run the YII framework in

void init (Filterconfig filterconfig) {} public void Destroy () {}}B. Cross-domain to join cors based on Webmvcconfigureradapter configurationImport org.springframework.context.annotation.Configuration; Import Org.springframework.web.servlet.config.annotation.CorsRegistry; Import Org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter; @Configuration public class Corsconfig extends Webmvcconfigureradapter { @Override public Void Addcorsmappings (Corsregistry r

When resolving mindmanager problems, one of the methods that users can use is to delete the annotations in the template, but for some reasons, some users have not been removed cleanly, then there is a legacy problem. This article is mainly about how to troubleshoot parameter errors when comments remove the problem of clean left. The two solutions for parameter errors or incorrect problems are ① to change the system region and the language

Oracle| Error | resolution Resolving Oracle Protocol Adapter errors Behavior: JDBC Connection oracle817 for Linux adapter error, sqlplus connection normal. Method: Edit Init.ora file screen Mts_dispatchers = "(protocol=tcp) (Ser=modose)" Restart Oracle. Import Java.sql.*;import Java.lang.*;import java.util.*; Class Testjdbc {public static void main (String arg[]) {try {class.forname ("oracle.jdbc.driver.OracleDriver");Connection C = driver

Resolving problems with errors running builder JavaScript validator in eclipse Specific error message: Errors occurred during the build. Errors running builder ' JavaScript Validator ' on Project To solve this problem, you need to remove the JavaScript validator. Remove the method is: Select an item--right key properties--builders (two)--click on the right there will be four--cancel the first "JavaScript Validator" Hook is ok This article links http

Recently, the company server has always been cpu100% occupied, the server is configured as dual-core xeon3.0x2,2g ECC memory. The discovery is that w3wp.exe takes up a large amount of CPU for a long time. This situation should be caused by the death cycle of the website program. You can temporarily limit the w3wp process CPU usage before you find a problem to ensure that the site can work: Under IIS6, frequent w3wp.exe memory and CPU usage cannot be released in time, resulting in slow server res

comparisons.Appendix, question type Ibid.:A syntax error occurs when SQL converts a varchar value to a column with a data type of int;The group table has a varchar field grouppower, with a value of 1,2,3,4, and an SQL statement forSELECT * FROM Dbo.function whereFunctionId in(Select Grouppower from Dbo.groupwhere groupid=1)A syntax error occurred while performing an error converting the varchar value ' 1,2,3,4 ' to a column with a data type of int.Workaround:Change the Where condition to:where

)))LISTENER =(Description_list =(DESCRIPTION =(ADDRESS = (PROTOCOL = IPC) (KEY = EXTPROC1))(ADDRESS = (PROTOCOL = TCP) (HOST = 127.0.0.1) (PORT = 1521))))Change to the following content:# Listener.ora Network Configuration File:d:/oracle/product/10.2.0/db_1/network/admin/listener.ora# Generated by Oracle configuration tools.Sid_list_listener =(Sid_list =(Sid_desc =(Sid_name = ORCL)(Oracle_home = d:/oracle/product/10.2.0/db_1)# (program = Extproc)))LISTENER =(Description_list =(DESCRIPTION =(ADDR

The most recent project requirements need to parse the SQL table name, because only the table name I think I should use a relatively rough way to parsePreliminary thinking:1. Escape character: Remove two quotation marks linked together2. String: Remove all quotes wrapped3. Brackets: Identify bracket handling4. Keywords: Cut the statement with the keyword, remove the table name regardless of5. Parse the table name of the cut segment related to the table nameFirst, rough braces. def get_str (s):

Problem descriptionCustomer reflects the system can not login;ReasonThrough testing, it was found that the Oracle user password expired, mainly because "password_life_time=180 days" was set by default in oracle11g in the defaults profile.WorkaroundThe method of writing online is basically the same, refer to the article for modification.1, check the user's proifle is which, is generally default:Sql>select username,profile from Dba_users;2. View the password expiration settings for the specified p

Label:Since there is no visualizer installed with MySQL, when using cmd to import SQL files, a fail to open file error occurs when using the source command, and the following methods are used to resolve the various lookups:1. First enter MySQL database;2. Creation of a new database;3. Using the newly created database4. Put the SQL file you want to import under the Bin folder of the MySQL installation directory5. Use the command source D:\Program files\mysql\mysql-5.7.13-winx64\bin\xx.sql;Idea: P

=:iNSTANCE_ID)and d.im_id = m.im_idand D.is_lock = 1Sql_text----------------------------------------------------------------)Rows selected.2.2 Query Session specific contentSql> Select Sql_text from v$session a,v$sqltext_with_newlines b where decode (a.sql_hash_value,0,prev_hash_value,sql _hash_value) =b.hash_value and a.sid=sid order by piece;Enter value for sid:479 (enter the SID number here)Old 1:select sql_text from v$session A,v$sqltext_with_newlines b where decode (a.sql_hash_value,0,prev_

Use database name go -- orphaned accounts created with sp_change_users_login repair-- List Orphaned users of the current database exec sp_change_users_login ' report '-- You can automatically add a login with the same name that corresponds to the user name to the syslogins exec sp_change_users_login ' Auto_Fix ',' User name '-- maps the user name to the specified login name. exec sp_change_users_login ' Update_One ',' User name ',' Login name 'Resolving