Apache Server Monitoring

Apache is a very efficient WEB server, and is still the world's most popular Web server software first. The power of Apache is that we can develop many modules for it and configure it accordingly to make our Apache server more personal. 1, single sign-on module LemonLDAP LemonLdap can be a great Apache SSO function, and can handle ...

This is the 6th article I wrote about building a "Nginx + PHP (FastCGI)" Web server. This series of articles as the earliest detailed introduction Nginx + PHP installation, configuration, use of one of the information to promote Nginx in the domestic development has produced a positive role. The 6th article mainly introduces the new smooth restart method of Nginx 0.8.x, and upgrades PHP to 5.2.14, and fixes the pear problem. Another MySQL 5.1.x upgrade to the 5.5.x series, configuration files ...

Currently, the Hadoop distribution has an open source version of Apache and a Hortonworks distribution (HDP Hadoop), MapR Hadoop, and so on. All of these distributions are based on Apache Hadoop.

In the http://www.unixbar.net/see the use of monitoring Treasure monitor server, feel good, on the installation of a configuration, the following describes the specific installation Method! Monitoring treasure using the standard SNMP protocol to provide users with server monitoring, which means that the monitored server must run the SNMP agent (SNMPD), then we will detail how to install, open the SNMP agent on the Linux server, and make the necessary security configuration, Nginx monitoring and server i/o,cpu load, ...

Add another port instance to the web server [apache + php tutorial] / * Find your apache installation directory, find the httpd.conf file, search # Listen this sentence, add the following listen 800 listen 801 listen 802 Here is the test, You need to increase the different listening port, the apache web port opened Well, I ...

November 9, 2011, the United States Letter Technology MPs (monitor Platform Share, that is, monitoring platform sharing) program and new trends, the United States letter Crecloud Cloud Network management launched Nginx Web server monitoring of the commercialization of the solution. Www.mxsoft.com, the world's first provider of cloud network management, said: "The United States, cloud network management launched Nginx Web server monitoring program, further improve the cloud Network management web monitoring field, better meet the E-commerce, financial transactions and other areas of customer monitoring ...

Nginx itself does not own PHP processing module, so need to configure the reverse proxy, the PHP request to the other PHP parser execution, and then return the results to Nginx. The current fashion is to configure the PHP processing service in a fast-cgi way. The advantages are relatively simple, the server load is light. But the downside is obvious: the PHP processing state cannot be viewed. such as 8630.html "> sometimes the site because the load is too high, the PHP processing thread has been all blocked, will cause the Web site can no longer respond to the PHP service ...

Six open source monitoring tools which one did you use? Published in 2013-03-15 12:22| Times Read | SOURCE csdn| 0 Reviews | The author Zhang Hong Month open source Monitoring Tool Muningangliagraphitepingdom Summary: This article introduced 6 practical monitoring tools, not only can you monitor the network resources, but also monitor the server, user requests, Web performance, etc., to your site to provide comprehensive,  One-stop guidance and monitoring. If you think the site is built, it's all right.

Apache Pig, a high-level query language for large-scale data processing, works with Hadoop to achieve a multiplier effect when processing large amounts of data, up to N times less than it is to write large-scale data processing programs in languages ​​such as Java and C ++ The same effect of the code is also small N times. Apache Pig provides a higher level of abstraction for processing large datasets, implementing a set of shell scripts for the mapreduce algorithm (framework) that handle SQL-like data-processing scripting languages ​​in Pig ...

1. The introduction of Mesos is mainly composed of four components, respectively, Mesos-master,mesos-save,scheduler and executor, each component is based on protocal buffer actor Model for communication (using Open Source Library libprocess). In other words, each module is a server (in fact, the socket server), listening to messages from other modules, once received a message ...