Mongo widget is a vs plug-in that provides a very small tool similar to vs's "server resource manager" for managing MongoDB databases. The current version is the 1.0 beta version. Due to insufficient development time, only a few features are provided in the first version.
The preview figure is as follows:
1. Introduction
The initial version of Mongo widget only provides read-only views of
1. php -- version and phpinfo () versions are inconsistent.Generally, this problem occurs after PHP is reinstalled. The solution is very simple. You can reinstall PHP and Apache. before reinstalling PHP and Apache, RM will drop PHP and Apache. If it comes with the system, in the Rh series, you can use rpm-Qa | grep httpd and rpm-Qa | grep PHP to uninstall all the files through grep-e. Previously, the two services httpd stop and apachctl stop were closed, and the reinstallation was OK. Pay attent
Recently began to learn MONGO in the window installation has mastered, the operation is not difficult, the use of the work or the use of Linux in more. However, refer to some documentation after the installation is complete. Found a header error at startup MONGO
Finally, the problem is resolved by re-setting the path
Workaround: Enter the following command
[Root@localhost mongodb]#./bin/mongod-dbpath=/data/
Updates in MONGO can also be used as additionsThere are several ways to MONGO with the newSave, UPDATE, UpsertWhen you execute save, if the document has _id this parameter, save calls Upsert, otherwise it calls the insertUpsert modified faster than updateUse Upsert if the modified data does not exist, a new data is createdVarious modifiers$inc, $setWhere $inc can only modify data of numeric types, modifying
In the previous blog (Mongo source code learning (2) dB. CPP mongodbmain method analysis. the execution process of mongodbmain in CPP is analyzed, and initandlisten (serverglobalparams. port) to listen to the port. The default value is 27017. When the program is executed, it is disconnected and cannot be traced. There must be an accept method in another place to receive client requests. Then I found the folder transportlayer and found the relevant cod
Mongo-expressMONGO Express is an open source MongoDB Web management interface based on node. JS and Express.GitHub Address: https://github.com/andzdroid/mongo-expressFunctionCurrent Features:连接多个数据库分别连接和认证独立的数据库认证为管理员查看所有数据库数据库 黑名单/白名单集合(collections)的增删查改文档(documents)的增删查改在文档中使用BSON数据类型Limit被编辑的文档必须有document._id属性无GridFS的支持(有可能成为计划功能)二进制BSON数据类型没有经过测试JSON documents are parsed through JavaScript virtual mach
The service uses the Redis+mongo cluster because the MONGO cluster machine memory is too small, so migrate to other larger space machines to do stress testing.
But after the machine migration, client call, found the following error
Mongo connecting error Failed to connect to: *.*.201.18:27018:remote Server has closed the connection
MongoDB master-slave backupEnvironment : CentOS 7, MongoDB x86_64MongoDB official website download page :https://www.mongodb.com/download-center#communityDownload finished, extract to the specified directory, I will now put it in the/opt directory (green version, do not install)In bin/This directory, is the relevant tool of MongoDB,Common Tool Description:Bsondump--Dumps files in Bson format to JSON-formatted dataMONGO--mongo Client (for connection
Run the bat command in java to obtain the creation time of a windows file and the bat creation time.
Original article: run the bat command in java to obtain the creation time of a windows File
Code: http://www.zuidaima.com/share/1550463260150784.htm
package com.zuidaima.util;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReade
Mongo scatter -- aggregate Query, aggregate aggregation
Mongo Official Website: http://www.mongodb.org/
Mongo is used in work, but Mongo has not been systematically studied. It only records some knowledge points in the use of Mongo during work and can be supplemented at an
Add user1. When installing MONGO, it is best to use Apt-get installBecause this can save a lot of trouble, such as some environment variables, and some document path and so on.2. Make sure that your MongoDB and mongodb-clients versions are consistent to the version.This connection can be consulted when the version is inconsistent: http://www.jb51.net/article/62918.htmTo view the version of Mongodb-clients, terminal input:MONGO--helpTo view the MongoDB
installation PcreCompile Build Libmongoclient.aDownload the latest C + + driver on the MongoDB website, with the following links:http://dl.mongodb.org/dl/cxx-driver/Download one of the cxx-driver/mongodb-linux-x86_64-v2.0-latest.tgzTAR–XZVF mongodb-linux-x86_64-v2.0-latest.tgz extract to current directoryCD mongo-cxx-driver-v2.0 into MONGO C + + driver directorySCons Generating LIBMONGOCLIENT.A LibrariesNo
Tip error: Com.mongodb.MongoQueryException:Query failed with error code and error messages ' not authorized for Query '
Reference URL: http://stackoverflow.com/questions/31503525/unable-to-connect-to-remote-mongo-db-for-2-days
mongo2.6 Configure user authentication, just focus on the following Red font section
Connections-per-host= "#{mongo[connections_per_host]}"
Threads-allowed-to-block-for-connection
MONGO db is a good thing and more and more projects are being used.
The following describes how to install the MONGO extension
Environment
nginx/1.4.4PHP 5.4.22MongoDB 2.4.10
Download Extended installation Package
wget http://pecl.php.net/get/mongo-1.4.5.tgz
Compiling the installation
Tar xvf mongo-1.4.5.tgz-c/u
Mongo Database InstallationFirst to Mongo's official website to download the installer: http://www.mongodb.org/, I downloaded the file name is: Mongodb-win32-x86_64-2008plus-2.6.4-signed.msiExecutes the setup program.NextAgree to the license agreementYou can choose customize custom to see.Put it all on.Start the actual installation.MongoDB is installed by default in the C:\Program files\mongodb 2.6 Standard\bin directory, but it is not automatically a
MONGO database update operation has a key feature relative to MySQL, it can use Upsert mode, when the updated data does not exist, directly inserted, but thinkphp MONGO driver actually does not support this feature, no way, self-reliance.thinkphp Driver layer, see because of the support of a variety of Db, but also using inheritance, the use of the class hierarchy is deep, responsible for the
First you need to download the MONGO installation packageCmd.exe this needs to be opened with administrator privilegesEnter the installation directory to the MONGOFirst, create a Data folder manually according to the following command to the C driveCreate a DB folder in data a log folderMongod represents the command to execute MONGO-dbpath represents the creation of a database file-logpath to create a log f
Reference URL: http://blog.csdn.net/huangrunqing/article/details/9112227Using MONGO as a storage, to achieve the people near the search has the innate advantage,MongoDB Native supports geo-location indexing and can be used directly for location distance calculations and queries.In addition, it is one of the most popular NoSQL databases today, with features such as collection-oriented storage, schema freedom, high performance, support for complex queri
Enter a directory to store the installation packageCd/home/mongoDownload the installation packagewget https://pecl.php.net/get/mongo-1.6.14.tgzExtractTar xzf mongo-1.6.14.tgzGo to CatalogCD mongo-1.6.14/Execute phpize, if you do not know where the phpize of this machine can be performed: Find/-type f-name ' phpize ' for lookup/usr/bin/phpize./configure--with-php-
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