3 host

Recently started to toss Linux, installed in this machine VMware and CentOS, after the installation of the virtual machine inside the OS can surf the internet, but use SECURECRT connect not on the virtual machine, start tossing this network. After

Thank God for your way: VMware Virtual Machine network connectivityVMware offers 4 ways to connect to the network, BRIDGED,HOST-ONLY,NAT,CUSTOM;10 virtual networks, respectively, Vmnet0-vmnet9.By default, the Bridged,vmnet1 used by VMnet0 uses the

The following operations are mainly divided into two sections: Modify Node State Mainly include:Demote the primary node to the secondary nodeFreeze secondary nodesForcing secondary nodes into maintenance mode2. Modify the configuration

MongoDB Two features master-slave replication and replica set for synchronous backup of dataFirst, master-slave replicationMaster-slave replication is a simple database synchronous backup of the cluster technology . For example, the primary server

Because there is no virtual machine at home on weekends, the deployment requirements are completed under Windows and the Bat execution script is written. 1. Create configuration files and related foldersThe total startup script, such as the

This is a rocks group inside one of my friends to share, I feel very good and described very clearly, this is a matter of attitude.1 Differences and usage of VMware virtual machine bridged, host-only, and NAT network modesVMware offers three modes

a), shards include:1. At least 3 config servers: stores the data block mapping of shards to determine the data stored on that slice. 2, Distribution router: More than 1 MONGOs, the user's read, write requests distributed to the Shard, the server is

1. How to determine the corresponding IP and port ports when multiple NICs are in the network?can see up (the UP network card is enabled, down is the network card is not enabled), RUNNING is to indicate that the network cable is inserted, the

Four network cards:Network 1: The physical machine is connected to the virtual machine, for the host-only type, which is used primarily to manage the network, it's DHCP off.Network 2:open Vswitch occupies the network, is also the host-only typeThere

1 Differences and usage of VMware virtual machine bridged, host-only, and NAT network modesVMware offers three modes of operation, which are bridged (bridged mode: corresponding Nic vment0), NAT (network address translation mode: corresponding Nic

This article is a summary of the common operations of the MongoDB replica set, and it also introduces the principle behind the operation and points for attention. Combined with the previous article: MongoDB replica set building, you can be familiar

MongoDB Replica set skill target Understanding the MongoDB replica set concept Learn to deploy a MongoDB replica set Understand the MongoDB election process Learn MongoDB replica set management and maintenance replication sets

The first partBefore we build MongoDB, we need to consider a few minor issues:1. What is the purpose of building a cluster? Do multiple backups improve fault tolerance and system availability or scale-out storage of large-scale data or both?If it is

Because there is no virtual machine at home on weekends, you complete the deployment requirements under Windows and write the bat run script. 1. Create configuration files and related directoriesThe total startup script is as follows

#简述: Replica collection (Replica sets), a replication feature based on the master/slave replication mechanism, but with the addition of automatic failover and recovery features, a cluster can support up to 7 servers, and any node can be the primary

JavaScript Object basics this article mainly describes various methods of the local object Array. An object-oriented language provides developers with four basic capabilities: (1) Encapsulation-ability to store relevant information (regardless of

1. Preface With the rapid development of computer technology, the database has been widely used in various fields, but data security issues have emerged. Security issues of a large amount of data in databases of various application systems, as well

Author: Lin Yusheng Cao Lei Zhang yaoyun Article Source: Shanghai computer user Association 1. Preface With the rapid development of computer technology, the database has been widely used in various fields, but data security issues have emerged.

Let's take a look at the second article of WCF, that is, the second article of WCF that carries multiple interfaces. Uncle Wang has raised a large number of pigs and made a lot of money. However, it has recently been found that raising chicken can

Mongo server cluster configuration learning the three-part MongoDB sharding mainly refers to the process of splitting the set into small blocks and separate them on different servers. Apsaradb for MongoDB supports automatic sharding to free you from