Unix Rsync

Rsync (synchronize) is a remote data synchronization tool that allows you to quickly synchronize files between multiple hosts by LAN. You can also use rsync to synchronize different directories on your local hard disk. Rsync is a tool to replace RCP, and Rsync uses the so-called rsync algorithm for data synchronization, which transmits only two different parts of the file, rather than sending it all at a time, so it's very fast. You can refer to how to Rsync works A ...

Rsync is a data mirroring Backup tool under Unix-like systems, and--remote sync can be seen from the name of the software.　　It has the following characteristics: It can be mirrored to save the entire tree and file system.　　It is easy to maintain the original file permissions, time, soft and hard links and so on.　　Install without special permissions.　　Optimized process, high file transfer efficiency.　　You can use RCP, ssh, and so on to transfer files, of course, through a direct socket connection. Support for anonymous transmission, to facilitate the use of Web site mirror image. ...

History of the most complete MySQL backup method, you need friends can refer to the next. I have used the backup methods are: mysqldump, mysqlhotcopy, BACKUP TABLE, SELECT INTO OUTFILE, or backup binary log (binlog), can also be directly copied data files and related configuration files. MyISAM table is saved as a file, it is relatively easy to back up, several methods mentioned above can be used. Innodb all the tables are ...

Now almost any application, such as a website, a web app and a mobile app, needs a picture display function, which is very important for the picture function from the bottom up. Must have a forward-looking planning picture server, picture upload and download speed is of crucial importance, of course, this is not to say that it is to engage in a very NB architecture, at least with some scalability and stability. Although all kinds of architecture design, I am here to talk about some of my personal ideas. For the picture server IO is undoubtedly the most serious resource consumption, for web applications need to picture service ...

1. List the machines used in general PC, requirements: Cpu:750m-1gmem: >128mdisk: >10g does not need too expensive machines. Machine Name: FINEWINE01FINEWINE02FINEWINE03 will finewine01 as the main node, and the other machine is from node. 2. Download and build from here Checkout, I choose Trunkhttp://svn.apache.org/repos/asf/lucen ...

How to install Nutch and Hadoop to search for Web pages and mailing lists, there seem to be few articles on how to install Nutch using Hadoop (formerly DNFs) Distributed File Systems (HDFS) and MapReduce. The purpose of this tutorial is to explain how to run Nutch on a multi-node Hadoop file system, including the ability to index (crawl) and search for multiple machines, step-by-step. This document does not involve Nutch or Hadoop architecture. It just tells how to get the system ...

Moving apps to cloud computing is not the last thing. 　　Sometimes there are unexpected events that force you to redesign your application, and compliance requirements can create barriers to development, and if your cloud provider does not support low-level network services such as multicast, it can cause bandwidth problems. After you evaluate which applications can run in a public cloud, there are other factors to consider, such as configuration, data migration, and monitoring. When moving an application to cloud computing, there are ...

Moving apps to cloud computing is not the last thing. 　　Sometimes there are unexpected events that force you to redesign your application, and compliance requirements can create barriers to development, and if your cloud provider does not support low-level network services such as multicast, it can cause bandwidth problems. After you evaluate which applications can run in a public cloud, there are other factors to consider, such as configuration, data migration, and monitoring. What are the most common configuration tasks you need to keep in mind when moving an application to cloud computing? The following list column ...

Stunnel is a free cross http://www.aliyun.com/zixun/aggregation/14734.html "> Platform software for providing global TLS services." Stunnel can provide secure cryptographic connections for clients and servers that are not themselves able to communicate TLS or SSL. The software can operate on many operating systems, including Unix-like systems, and Windows. Stunnel relies on a separate library, such as ...