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14.5 setting up a master-slave LDAP serverAt some point, you may want to set up multiple LDAP servers in order to load balance the LDAP server. The key issue for setting up multiple LDAP servers is the synchronization of data, using the SLURPD

One, LVS three kinds of packet forwarding methodLVS provides three packet forwarding methods: NAT (Network address mapping), IP tunneling (IP tunneling), direct Routing (straight route)Different forwarding mode determines the network structure of

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As a MySQL system administrator, you are responsible for maintaining the data security and integrity of your MySQL database system. This article mainly describes how to build a secure MySQL system, from the system internal and external network two

Linux Virtual Server several terms:Director: Also can be called dispatcher, LVS front-end equipment; Realserver: Also known as the real internal server, is really in the provision of services; VIP: External IP, that is, the client requests to come

Turn from: http://xuchengji.blog.51cto.com/160472/324502 At present, there are three kinds of request forwarding methods and eight scheduling algorithms in LVs. Depending on the way of request forwarding, the network topology, installation method

Data | database Overview of the SQLJ Today's enterprise-class applications typically run on multiple database platforms, such as Oracle, DB2, Sybase, SQL Server, Informix, and so on. In this environment, the migration and maintainability of code is

# Redis-sentinel's official website address: Http://redis.io/topics/sentinel # Note: Redis-sentinel website is not a stable version. Personally feel this is much better than Keepalived+redis to switch. Configuration environment: os:centos6.1 x86  *  

MySQL Replication Introduction:MySQL supports one-way, asynchronous replication, during which one server acts as the primary server, and one or more other servers act as slave servers.The MySQL master server writes the update to the binary log file

Keepalived is a software similar to the Layer3, 4 & 7 switch, which is what we normally call the 3rd, 4th, and 7th layers of exchange.Introduction:The role of keepalived is to detect the state of the Web server, if a Web server freezes, or a work

This article describes the issues that need to be noted in deploying Memcached and the memcached distributed algorithmWhether you are a new online system or a system that has been online for a long time. We can all simply configure the memcached,

1. Background* centralized operation of MySQL database, you can run multiple MySQL service processes on a single server, through different sockets to listen to different service ports to provide their own services. Each instance is independent of

Install LAMP and mysql in ubuntu9.04 .! Please help me! -- Linux general technology-Linux technology and application information. For details, refer to the following section. Root @ automatical-desktop :~ # Sudo apt-get install mysql-server Reading

Why does one database server run multiple instances? There is a MySQL database server with a hardware utilization rate of about 30%, and the remaining 70% is not a waste. In this case, you can consider running multiple MySQL services. You can choose

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RHCE experiment: xinetd-Based Access Control-Linux Enterprise Application-Linux server application information. See the following for details. Course Background: RH253 Requirement: configure the telnet server and use xinetd to implement the

Reproduced in: http://www.codeceo.com/article/web-artche-changes.htmlLet's take javaweb as an example to build a simple e-commerce system to see how this system can evolve step-by-step.Features of the system: User module: User registration

Haproxy provides high availability, load balancing, and proxies based on TCP and HTTP applications, supporting virtual hosting, which is a free, fast, and reliable solution. Haproxy is especially useful for Web sites that are heavily loaded, and

On the connection scheduling algorithm in the kernel,Ipvs has implemented the following 10 scheduling algorithms1. round call scheduling2. weighted round call scheduling3. Minimum connection scheduling4. weighted minimum connection scheduling5.

Preface: Quoting other people's documents, we take javaweb as an example to build a simple e-commerce system to see how this system can evolve step-by-step. Features of the system: User module: User registration and management Commodity