Linux Script Examples

Logrote is an application that is used to periodically rename and reuse system error log files. It guarantees that the log files will not take up too much disk space. /etc/logrotate.conf File It logrotate general configuration file. You can use it to set that file to be reused and how often to reuse it. You can set the cycle parameters to be weekly or daily. In the following example, the "weekly" parameter is annotated with "#" and retains the "daily" argument. Cycle entry can also define how many copies of the log to keep http ...

This paper introduces how to build a network database application method by MySQL of the golden combination of Web database, PHP is a server-side embedded hypertext Processing language similar to Microsoft ASP, it is a powerful tool to build dynamic website. While MySQL is a lightweight SQL database server that runs on a variety of platforms, including Windows NT and Linux, and has a GPL version, MySQL is considered the best product for building a database-driven dynamic Web site. PHP, MySQL, and Apache are Linux ...

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host Technology Hall Actual example below we give a practical example. If you don't quite understand what the following examples are doing, just think we can use the Octave program to solve the eigenvalue problem. First, use the appropriate editor to make the following Octave script. (with a semicolon at the end of a line, you can eliminate unwanted results ...)

"Editor's note" Shopify is a provider of online shop solutions company, the number of shops currently serving more than 100,000 (Tesla is also its users). The main frame of the website is Ruby on rails,1700 kernel and 6TB RAM, which can respond to 8,000 user requests per second. In order to expand and manage the business more easily, Shopify began to use Docker and CoreOS technology, Shopify software engineer Graeme Johnson will write a series of articles to share their experience, this article is the department ...

This series of articles will show you how to use Pyomo's ability to integrate Python to model and optimize your application. The first article in this series will introduce http://www.aliyun.com/zixun/aggregation/22929.html > basics. Part 2nd will describe how to add more tools and build a scalable architecture. Part 3rd will provide practical examples of investment analysis and statistical analysis using IPython and pandas. ...

A brief introduction to MapReduce and HDFs what is Hadoop?     &http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Google has proposed a programming model for its business needs mapreduce and Distributed File system Google file systems, and published related papers (available in Google Research ...).

Http://www.aliyun.com/zixun/aggregation/13713.html ">hbase is a distributed, column-oriented open source database, rooted in a Google paper BigTable: A distributed storage system of structured data. HBase is an open-source implementation of Google BigTable, using Hadoop HDFs as its file storage system, using Hadoop mapreduce to handle ...

The intermediary transaction SEO diagnoses Taobao guest Cloud host technology Hall in understanding the Internet entrepreneurship Theory knowledge, began the field to carry out the actual operation of the website business. 　　In this chapter, we will explain in detail how to build a Web site that conforms to the user experience. First, the site of the page planning and style design of the previous Web site construction model, are through the learning of Web page production, a page of the production of HTML files, combined to create a static Web site. And now is often the use of special construction station procedures, after a simple installation, only need to add content on it ...

Hadoop streaming is a multi-language programming tool provided by Hadoop that allows users to write mapper and reducer processing text data using their own programming languages such as Python, PHP, or C #. Hadoop streaming has some configuration parameters that can be used to support the processing of multiple-field text data and participate in the introduction and programming of Hadoop streaming, which can be referenced in my article: "Hadoop streaming programming instance". However, with the H ...

Intermediary transaction SEO diagnosis Taobao guest Cloud host technology Hall Semwatch data loss, before I wrote several articles are gone. 　　Although a snapshot from Baidu and other ways can be restored, but they do not feel the need, because it is a few months ago to write something. 　　Especially in their own blog, each after a few months will be deleted before the article, because every once in a while looking back at the point of view of SEO, the evaluation is: general. So reopen the article and write something deeper: I've come from the touch of SEO to now, ...