mongodb ubuntu

MongoDB cluster technology: replica set sharding, mongodb ClusterA MongoDB replica set is a process of synchronizing data to multiple servers. The replica set provides redundant backup of data and stores data copies on multiple servers, this improves data availability, ensures data security, and allows data recovery from hardware faults and service interruptions

Used MySQL database, the whole day is to write a large heap of SQL statements, to remember that these SQL keywords are going to take a few days, write the eggs are exploded, when the contact to MongoDB, found not to write SQL, instantly feel tall on, instantly generated the impulse to learn to use it.1.MongoDB IntroductionMongoDB is a powerful, flexible, and scalable way of storing data. It extends the many

Tags: write ECS array link loaded pre Mon start DebUbuntu16.04 Installing MongoDB Copy from:http://blog.csdn.net/zhushh/article/details/52451441 1. Import the public key of the software source sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv EA312927 2. Create a software source list file for MongoDBubuntu12.04 echo "deb http://repo.mongodb.org/apt/ubuntu precise/

: accept a document containing a list of fields and their sorting order. Specify the Order 1 and-1. 1 is used for ascending order, and-1 is used for descending order. Note that if no sorting priority is specified, the sort () method then displays the document in ascending order. Let's write it here. I have time to write some in-depth information. I hope you can advise me. For more information about MongoDB, see the following links:

First, install MongoDB1. Creating MongoDB user groups and usersGroupadd Mongodbuseradd-r-G mongodb-s/sbin/nologin-m MongoDB2. Download the MongoDB source package and put the source package in the/usr/local/src/directoryDownload page: Https://www.mongodb.com/download-center?jmp=navMongodb-linux-x86_64-rhel62-3.2.10.tgz is used here.: https://fastdl.mongodb.org/lin

First, install MongoDB1. Creating MongoDB user groups and usersGroupadd Mongodbuseradd-r-G mongodb-s/sbin/nologin-m MongoDB2. Download the MongoDB source package and put the source package in the/usr/local/src/directoryDownload page: Https://www.mongodb.com/download-center?jmp=navMongodb-linux-x86_64-rhel62-3.2.10.tgz is used here.: https://fastdl.mongodb.org/lin

I. Download On the official MongoDB website, we found that there are 32bit and 64bit, which depends on your system, but here are two points of attention: ①: According to industry rules, the even number is "stable version" (for example, 1.6.X, 1.8.X), and the odd number is "development version" (for example, 1.7.X, 1.9.X ), I believe everyone knows the difference between the two versions. The latest version is 2.4. ②: 32-bit

[MongoDB] Serveral common command of MongoDb, mongodbserveral In the recent days, since the overwork made me exhaused, on arrival to home I will go to bed, which leads to loss of blogs that shoshould have been written in the past days. Now I make a summay to all the commond of operating mongoDB. First, you shoshould run the m