Apache Server Status Explained

The script also lets you specify the optional firewall/proxy server information:-H [proxy server hostname or ip. This is how the 12 principles of HumanOps have been adopted for a human-first approach. conf or apache. Solution Description. The Apache web server is one of the most popular and powerful web servers in the world, due in part to its ease of administration and flexibility. Join the OpenOffice revolution, the free office productivity suite with over 275 million trusted downloads. A remote unauthenticated attacker can obtain an overview of the remote Apache web server's activity and performance by requesting the URL '/server-status'. Apache Maven is a software project management and comprehension tool. at least one httpd process is running) If you want to go deep, there are a few other custom monitors you could add, based on shell commands. Apache 2 has a nice feature to allow a server admin to view the performance of Apache. The server-status page may be used as a starting place for troubleshooting a situation where your server is consuming all available resources (CPU or memory), and you wish to identify which requests or clients are causing the problem. However, there. What is apache server status? Normally only server administrators would have access to this section, they would look at this specific page to lookup more information on their current server activity in an easily readable form. conf and see if "Options Indexes" is set for your apache root to allow directory listings. Apache Avro™ is a data serialization system. For more information read the status page that can be help you to become a more successful web server administrator. Configuring Apache 2 on Debian, Ubuntu¶ The Debian distribution of Linux includes the Apache web server, both the venerable version 1 and the more modern version 2. 0 client except under experimental conditions. How do you deploy a JAR file to Tomcat? Typically you deploy WAR files, not JARs. Apache: How to Enable OCSP Stapling. HTTP Status Code 304: A conditional GET or HEAD request has been received and would have resulted in a 200 OK response if it were not for the fact that the condition evaluated to false. We are aware of issues causing account transfers to intermittently fail, and are working on a fix. When I try to refresh page, it turns out "HTTP Status 404", "The requested resource (/server-status) is not available. See All NVIDIA Virtual GPU Software License Server Documentation to find documentation for the version of the license server that you are using. Open the Activity Monitor located in your /Applications/Utilities folder. Re: Apache Server Status by tmcdonald » Wed Apr 30, 2014 10:23 pm If you can get a similar check to work against a Linux Apache server then I would bet it's a Windows problem. This site uses cookies for analytics, personalized content and ads. For example, if one of your visitors requests your domain, www. Because you might run multiple sites on one Apache server, you need to tell Apache which directory contains the web files (the "web root" or "document root") per website. The following commands assume that WebSphere Application Server was installed in the default location: AIX®. Both are considered stable. The About Apache document explains how the Apache project evolved from its beginnings as an outgrowth of the NCSA httpd project to its current status as one of the fastest, most efficient, and most functional web servers in existence. This is the top-level entry point of the documentation bundle for the Apache Tomcat Servlet/JSP container. If the server-status page exists and appears to be from mod_status the script will parse useful information such as the system uptime, Apache version and recent HTTP requests. If you have an unmanaged Flex Dedicated Server or VPS, you have root access. In a previous article from over 5 years ago, we advocated the use of Apache MPM Worker Threaded Server with fcgid over Apache's mod_php. Server status - meaning of Reading Request state. We’ve been using JMeter to run some tests of a web application and wanted to monitor the Apache web server’s performance. Quit every process you find after your search. The Apache Tomcat is a Web server that is used for to deploy the Java based web applications. Apache configuration. SolarWinds is much easier in that we feel like we control the monitoring solution instead of it controlling us!". Apache is very easy to start. Advanced Journal Implementations Flexible and Fast Message Persistence. Webucator provides instructor-led training to students throughout the US and Canada. It was working fine, but I made few changes to httpd. Monit allows you to monitor web server status. >= Apache 2. 177 should be replaced with the public IP address of your computer:. Check the status of Skype services. Getting an SSL certificate from any of the major Certificate Authorities (CAs) can run $100 and up. Operations teams and system administrators are always love having the ability to check the status of their servers. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure make it the perfect platform for mission-critical data. Memcached is an in-memory key-value store for small chunks of arbitrary data (strings, objects) from results of database calls, API calls, or page rendering. After saving the file, set the ownership to apache. Ideal for developers but also ready for production, on-premise or in the cloud Liberty is a combination of IBM technology and open source software, with fast startup times (2 seconds), no server restarts to pick up changes, and a simple XML configuration. Its simple design promotes quick deployment, ease of development, and solves many problems facing large data caches. The Debian maintainers have a peculiar way of arranging the configuration files for Apache 2. Apache Traffic Server Manual¶. Please note, in many cases the servers go down for maintenance and to prepare for updates. We have tried pinging Issues. Apache™ FOP: Downloading A Distribution¶ Binary or Source?¶ Most Apache™ FOP users will want to download the latest binary distribution, which is ready to run "out of the box. Some key advantages include: Derby has a small footprint -- about 3. Additionally, application history is still viewable after you terminate your Amazon EMR cluster. In this guide, you will install an Apache web server with virtual hosts on. pid: The id of the MPM child process. This allows administrators. This extension can also show the load balancing metrics from mod. Both run apache web server. When I try to refresh page, it turns out "HTTP Status 404", "The requested resource (/server-status) is not available. Via a custom module, httpd makes Subversion repositories available to clients via the WebDAV/DeltaV [55] protocol, which is an extension to HTTP 1. Businesses have increasingly complex requirements for analyzing and using data - and increasingly high standards for query performance. Let's consider there are three web servers (www1, www2 & www3) in our environment and we want to know the stats of how many times the Web servers has processed successful HTTP requests (Status code of 200). Understand that WSGI is a standard Python specification for applications and servers to implement. For more information on server outages visit the System Alerts page. Nginx provides us a good way to monitor the web server status using a module called stub_status_module. log − This log is created by the launcher and is connected to the stdout and stderr streams of the server. It's designed to be a complete and portable FTP server engine solution based on currently available open protocols. Once it has found the web page you requested, it also serves you the web page. Otherwise, your server may require you to manually restart Apache2 using apachectl startssl in the event of a server reboot. The directive QS_Status 'on'|'off' may be used to enable a status log message (mod_qos(200)) written to the Apache server's ErrorLog. Apache Tomcat is the best production ready web container. They are installed respectively in the Zookeeper, Kafka and Solr subdirectory. 04, therein lies the problem. x / apache 2. This module allows you to monitor the status of various servers and daemons running on your system, so that you can easily see which are running properly and which are down. The Apache web server is one of the most popular and powerful web servers in the world, due in part to its ease of administration and flexibility. You can serve content over HTTP, as well as RTMP. Finally, for the change take effect, you'll need to restart httpd. Some are easy to understand other aren't explained who could explain me the following data words from my apache status page in detail? it. This project is used to provide a free java based open source Apache Http Server GUI. The message is written once every minute. This allows administrators. This is a tutorial to configure Apache Web Server Load Balancing in Linux using the mod_proxy_balancer module. # rc-status --all. How to Disable Server Signature by editing Htaccess/Apache? There are various ways to Disable Server Signature, and it totally depends upon your server. It simply transmits the data stream to the requesting host. Apache allows us to easily peak under the covers by way of a virtual directory called, as you may have guessed, /server-status. Most of the time, "wrong" means an issue with the page or site's programming, but there's certainly a chance that the problem is on your end, something we'll investigate below. 1 and JavaServer Pages 2. The System and Server Status module. For Operations Manager 2007 R2, using the UNIX/Linux Service template to monitor httpd will establish general up/down status of the apache daemon (i. Learn about the website hosting requirements to run WordPress, including our recommendation to support PHP 7. I’ve been implementing this for my company with graphite and collectd and also the apache plugin from collectd. org using our servers in diverse locations and the website returned the above results. This will display some details about the server and a long list of requests made to. Starting in the SQL Server 2019 community technology preview (CTP) 3. 0 client except under experimental conditions. # rc-update add apache2 default How to disable a service To remove the web server, use the del option as follows. How to add Data Columns in SQL Server Profiler. The request must have included a Range header field indicating the desired range, and may have included an If-Range header field to make the request conditional. Service Status. If you're using EasyPHP WAMP dev server …. 4 allows a lot of room for growth and additional functionality (both for the cloud and not). How to Check the Status of the Apache Tomcat Server (Windows). Got two RHEL servers - one real and one virtual/cloud. 3 specifications from the Java Community Process, and includes many additional features that make it a useful platform for developing and deploying web applications and web services. The first type, server negotiation, has been implemented in Apache since the summer of 1995 and is explained in a special feature from Apache Week issue 25. 9, if you want to communicate with PHP-FPM over UNIX sockets >= Apache 2. First Copy your certificate to a file on your apache server. Otherwise, your server may require you to manually restart Apache2 using apachectl startssl in the event of a server reboot. In the very first request, no cookie is sent from the client to the server, as no cookie has been set. Apache 2 introduced Multi-Processing Modules, or MPMs, which change the basic functionality of the web server. It is a secure, efficient and extensible server that provides HTTP services as per current HTTP standards. " However, a source distribution will be preferable if you fall into one of the following categories: You wish to modify FOP. The Apache web server is one of the most popular and powerful web servers in the world, due in part to its ease of administration and flexibility. This is a quickie recipe explaining exactly what the slmgr command and options do. The Apache HTTP Server, colloquially called Apache (/ ə ˈ p æ tʃ i / ə-PATCH-ee), is free and open-source cross-platform web server software, released under the terms of Apache License 2. Join the OpenOffice revolution, the free office productivity suite with over 275 million trusted downloads. Publish & subscribe. The history server REST API’s allow the user to get status on finished applications. I have noticed that my server gets very slow when this reading thing is shown there. 4 OR SetHandler server-status Change the /server-status to something hard-to guess if you use the 2nd method, since we don't want just anyone viewing this page. Two excellent books on Apache configuration are Apache: The Definitive Guide, by Ben and Peter Laurie (O'Reilly), and Linux Apache Web Server Administration, by Charles Aulds (Sybex). x Required apache module : – (included in core ) Scope : global server configuration Type : security. It is not able to reach the configuration objects for other virtual hosts. We have trained over 90,000 students from over 16,000 organizations on technologies such as Microsoft ASP. Apache HTTP server is the most popular web server in the world. MAMP provides them with all the tools they need to run WordPress on their desktop PC for testing or development purposes, for example. In apache server-status page,referring to the "Acc" column, which is the "Number of accesses this connection / this child / this slot". The Oracle HTTP Server (OHS) is built on Apache version 1. My Apache Status Page shows several stats and shortcuts. Whenever a new URL is requested and a new client IP address is used, it will be logged and reported. For example, you can log in to your server using SSH and type the following command to view the last 100 lines in the Apache access log:. at least one httpd process is running) If you want to go deep, there are a few other custom monitors you could add, based on shell commands. This class can be to retrieve and parse Apache server status information. 7 compiled with:. The Apache Server Status module is an addition to Apache HTTP Server. Ensure that Apache server-status is disabled. The Apache HTTP Server, or Apache for short, is a very popular web server, developed by the Apache Software Foundation. Apache Spark is a unified analytics engine for big data processing, with built-in modules for streaming, SQL, machine learning and graph processing. It includes codes from IETF Request for Comments (RFCs), other specifications, and some additional codes used in some common applications of the Hypertext Transfer Protocol (HTTP). Code generation is not required to read or write data files nor to use or implement RPC protocols. Get a personalized view of AWS service health Open the Personal Health Dashboard Current Status - Oct 9, 2019 PDT. There could be a DNS issue, a network device might be down, or the other machine could just be overly busy and unable to process the request in a timely fashion. We offer two Linux distros: – CentOS Linux is a consistent, manageable platform that suits a wide variety of deployments. The Apache Incubator is the entry path into The Apache Software Foundation for projects and codebases wishing to become part of the Foundation's efforts. How to Check the Status of the Apache Tomcat Server (Windows). Based on the concept of a project object model (POM), Maven can manage a project's build, reporting and documentation from a central piece of information. Add to the mix, news stories which seem to indicate that not all of the established CAs can be. Backscatter occurs when spam or viruses send mail using a forged email address as the return path. Once it has found the web page you requested, it also serves you the web page. 0 client except under experimental conditions. Apache Sentry has successfully graduated from the Incubator in March of 2016 and is now a Top-Level Apache project. A web server is the software that powers a website. Worry is that a further increase in traffic will see a problem. Before a configuration is found, status logger level can be controlled with system property org. The Apache Tomcat Connectors - Miscellaneous Documentation. While there’s a lot of complexity underpinning how a web server functions, the basic job of all web servers is to accept requests from clients (e. Apache is developed and maintained by an open community of developers under the auspices of the Apache Software Foundation. The Tomcat is a web server that is developed by the Apache foundation hence it is called as Apache Tomcat. / , all traffic, including /server-status , is being forwarded to your Tomcat server, which doesn't serve a page at /server-status , hence the 404 being reported by Apache. The Apache integration includes a status check that can help you find out when one or more of your Apache servers is down—ideally before you hear about it from your users. This article gives information about the Apache web server and its benefits. A web server should never swap because swapping a process will make request processing latency unacceptable. Last updated on: 2016-01-14; Authored by: Rackspace Support; Note: This article was written before the introduction of Cloud Load Balancers, which is our recommended solution for load balancing. A bug in Apache Struts, a popular software toolkit for building web services, could let crooks take control of your server. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF. This tutorial shows how to install Apache Tomcat on respective Enterprise Linux with ease. [[email protected] html]# chown apache. Pick servers in your server’s local geography. An HTML page is presented that gives the current server statistics in an easily readable form. A HTTP client (e. It is a free, open-source and cross-platform HTTP server providing powerful features which can be extended by a wide variety of modules. My CentOS Apache 2 (httpd) webserver will not start. The easiest way to view all Apache server metrics in Wavefront is to go to the integration tab on the top of the Wavefront webpage and then click on the "Metrics" tab as shown below: All the metrics that are available on the server-status page will show up on this page. (It is the SIEMENS family of mainframes running the BS2000/OSD operating system. com is an easy to reference database of HTTP Status Codes with their definitions and helpful code references all in one place. mod_status is an Apache module which helps to monitor web server load and current httpd connections with an HTML interface which can be accessible via a web browser. Regards, Franky. gz)¶ Starting ApacheDS¶ On Linux/Unix Systems¶. A bug in Apache Struts, a popular software toolkit for building web services, could let crooks take control of your server. Run the rpm -q httpd command to see if the httpd package is installed. I recently had an assessment where I discovered a number of publicly exposed Apache server-status instances. The game runs fine but when I call more than 5-6 queries by Apache, Apache process gets locked and has status SUSPENDED inside MSSQL resource monitor. Log Tracer provides support for enabling the logs for specific category at specific level and only for specific request. If you are a Linux newbie, and your work involves doing stuff through the command line, then it goes without saying that you must be spending a lot of time on the terminal window. We have trained over 90,000 students from over 16,000 organizations on technologies such as Microsoft ASP. Apache is very easy to start. Interactive mode supports all available commands. This usually involves removing the SetHandler server-status Order deny,allow Deny from all Allow from 127. It is built on Apache Thrift, therefore it is sometimes called as the Thrift server. Cookie information is stored in your browser and performs functions such as recognising you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful. Step 3: Monitoring Apache HTTP Server Metrics in Wavefront. 0, a light-weight but powerful stream processing library called Kafka Streams is available in Apache Kafka to perform such data processing as described above. Subversion is an open source version control system. The class of a status code can be quickly identified by its first digit: 1xx. Apache Pig is a platform for analyzing large data sets that consists of a high-level language for expressing data analysis programs, coupled with infrastructure for evaluating these programs. Application history is updated throughout runtime, and the history is available for up to seven days after the application is complete. I'm not able to get acces server status Apache Tomcat/9. Apache is a world's most popular, cross platform HTTP web server that is commonly used in Linux and Unix platforms to deploy and run web applications or websites. 10, if you want to use SetHandler instead of ProxyPassMatch. Quit every process you find after your search. 4 server-status returns 403 forbidden. Memcached is an in-memory key-value store for small chunks of arbitrary data (strings, objects) from results of database calls, API calls, or page rendering. This person is a verified professional. The System and Server Status module. The Apache web server remains bundled with Mac OS X though, but you’ll need to turn to the command line to enable the web server. Performance of Apache httpd 2. Pick servers in your server’s local geography. Status check. In a WHM server, we can view the Apache Status, by navigating through the path WHM HOME >> Server Status >> Apache Status after logging to your WHM Panel at the URL >>https://serverIP or hostname:2087 as shown in the screenshot. SetHandler server-status Order deny,allow Deny from all Allow from all It works, but only for the first entry. Upon receipt of the ServerHelloDone message, the client verifies the validity of the server's digital certificate. The server create a new cookie "c1=1111111" and send to the client. It comes with a web based user interface where you can manage your services and websites, and you can manage users for each server with a mobile number and email address. They tend to run in packs. It is a simple, lightweight Apache distribution that makes it extremely easy for developers to create a local web server for testing purposes. A HTML page is presented that gives the current server statistics in an easily readable form. conf file, such as httpd. I’ve been implementing this for my company with graphite and collectd and also the apache plugin from collectd. Apache : Apache is a powerful and flexible HTTP/1. The ActiveMQ Artemis append-only journal comes in several different flavors. Client is able to run in two modes - interactive and batch mode. Multi-Status. 9% of all the websites whose web server we know. Install the Agent on your Apache servers. The date follows next, and then some information about the host server and the retrieved data. Monitor Apache Server Load and Page Statistics Using Mod_Status 9th October 2016 10,824k Apache is the most popular and widely used web server in the world, so it is important to monitor and debug the performance. The server create a new cookie "c1=1111111" and send to the client. Apache ® Subversion ® "Enterprise-class centralized version control for the masses" Welcome to subversion. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure make it the perfect platform for mission-critical data. This tutorial will show you how to enable this feature in such a way that only requested issued from localhost will be accepted and served. Fixed value based Status Indicator. Otherwise, your server may require you to manually restart Apache2 using apachectl startssl in the event of a server reboot. A remote unauthenticated attacker can obtain an overview of the remote Apache web server's activity and performance by requesting the URL '/server-status'. We offer two Linux distros: – CentOS Linux is a consistent, manageable platform that suits a wide variety of deployments. It requires Sqoop Client JAR and its dependencies. The following instructions describe how to install and manage the Apache web server on your CentOS 7 machine. It is an open-source software that can be run on a large number of different operating systems, including Windows. Viewing overall server status report: passenger-status on Passenger + Apache. A WebSocket server is explained on a very low level here. If SSL support only loads with apachectl startssl, we recommend you adjust the apache startup configuration to include SSL support in the regular apachectl start command. Server status - meaning of Reading Request state. The response header of an Apache server might look something like the following: The first line in the response header is the status line. Client API allows you to execute the functions of sqoop commands. 0 release is 2. Part of the http status code extensions for Distributed Authoring (WebDAV). Manually running apache did work (sudo httpd, or sudo apachectl start) however systemctl never worked (it ran OK for roughly 1 minute then failed). Additionally, you’ll want edit a user configuration file for each user account on the Mac to have the personal web sharing feature active. 2 Understanding Oracle HTTP Server Modules. Monitor Apache Web Server Using Mod_status Mod_status is an Apache module that displays a web page containing statistics including. This project is used to provide a free java based open source Apache Http Server GUI. 7 brings a number of enhancements and bugfixes documented in CHANGES. Apache Xerces2 Java. The game runs fine but when I call more than 5-6 queries by Apache, Apache process gets locked and has status SUSPENDED inside MSSQL resource monitor. The Apache documentation below provides an example if you want this to be visible to all visitors. However, you'll probably find more information about the httpd. This is the top-level entry point of the documentation bundle for the Apache Tomcat Servlet/JSP container. Download¶ Apache Flume is distributed under the Apache License, version 2. Apache Sentry has successfully graduated from the Incubator in March of 2016 and is now a Top-Level Apache project. # rc-status --all. Multi-Status. Setting Up. Not Supported. Webucator provides instructor-led training to students throughout the US and Canada. Re: [Solved] Unable to start Apache @dxxvi I have also been having issues with apache since I moved to systemd at the weekend. htaccess file: If you are requesting the status page from a script. The scope for each status variable is listed at Section 5. NGINX Conf 2019 Level Up Your Apps and APIs. org using our servers in diverse locations and the website returned the above results. Apachectl is a control interface for Apache HTTP server. So, it is important to protect your site and users. It is available for operating systems including UNIX and Windows. Server Status coverage for platforms: Playstation 4, Xbox One, PC, Android, Nintendo Switch, PC, iOS and Mac. Apache: How to Enable OCSP Stapling. A HTML page is presented that gives the current server statistics in an easily readable form. Oozie v3 is a server based Bundle Engine that provides a higher-level oozie abstraction that will batch a set of coordinator applications. 9, if you want to communicate with PHP-FPM over UNIX sockets >= Apache 2. You can use regular Linux / UNIX commands such as lsof, netstat, top, vmstat and others to view apache server activity, status and performance from a shell prompt. Welcome to the Apache Haus - Your place for the Apache Server and Modules on Windows The Apache Haus is a community of webmasters, developers and hobbyists who prefer using the Apache Web Server over IIS. According to the survey from , the Apache HTTP Server (Apache) is the world's most widely-used Web server. FreeBSD does not install this web server by default, but it can be installed from the www/apache24 package or port. Beginning with this release, all future. The Apache HTTP Server, colloquially called Apache (/ ə ˈ p æ tʃ i / ə-PATCH-ee), is free and open-source cross-platform web server software, released under the terms of Apache License 2. The client stores this new cookie. After creating a Cordova project, navigate to the project directory. It is a secure, efficient and extensible server that provides HTTP services as per current HTTP standards. There are two types of servers. Via a custom module, httpd makes Subversion repositories available to clients via the WebDAV/DeltaV [55] protocol, which is an extension to HTTP 1. conf configuration file, using. HTTP Status Dogs. Apache Struts. With Nginx server status module you can gain useful information about your web server, such as: Total requests Requests per second Number of connections […]. Excel based Status Indicator. For a complete list of platforms you can add, run cordova platform. The APACHE WEB SERVER is OPEN SOURCE SOFTWARE which means it is free for anyone to use. This class of status code indicates a provisional response, consisting only of the Status-Line and optional headers, and is terminated by an empty line. Disable Server Signature on Apache by editing config file. System Status System maintenance can occur every Tuesday, Wednesday and Thursday between 6am and 8am. Server monitoring is made easy in Nagios because of the flexibility to monitor your servers with both agent-based and agentless monitoring. So, I selected the Install Service option under both the Apache and MySQL menus. Status check. 0 1 158 0/0/0 W 0. net , cisco, nba. conf and see if "Options Indexes" is set for your apache root to allow directory listings. We've figured out what mod_rewrite variables look like so we can create rewrite rules and condition patterns based on the actual value. This can be done at the web server level, as explained in the next section, or by post-processing the log file. This message contains information about the server's scoreboard. crt' and will be within a *. It uses API functions of Media Server for Remoting and Streaming (Red5 or Kurento). Backscatter. Disclaimer: Apache Superset is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. In this guide, you will install an Apache web server with virtual hosts on. Part 1 provides an overview of the Apache web server and its key performance metrics, and part 3 describes how to monitor Apache with Datadog. Professional web developers need a web server and Apache is the most popular. ExtendedStatus On Same as above find the entry that looks like this, remove the deny line and modify the Allow to say all, this will let any source IP call the status page, obviously you will want to lock this down but to get up and running this is a good place to start. Basically, each Vista install CD/DVD can be ran w/o a key as a. Apache Tomcat is the best production ready web container. Apache Tomcat is a web container that allows you to serve Java Servlets and JSP (Java Server Pages) web applications. Originally designed as a replacement for the NCSA HTTP Server, it has grown to be the most popular web server on the Internet. If not already enabled, add this to your httpd. It supports industry standard protocols so users get the benefits of client choices across a broad range of languages and platforms. You can create a Status List in two ways: Create just a Status List. This is a quickie recipe explaining exactly what the slmgr command and options do. a visitor's web browser) and then send the response to that request (e. Professional web developers need a web server and Apache is the most popular. pid: The id of the MPM child process. Each of the subdirectory is organized as follows: the Apache application is located in subdirectory install,. Apache Web Server is often placed at the edge of the network hence it becomes one of the most vulnerable services to attack. It retrieves the page generated by the server status module of Apache for a given domain. Apache Kafka: A Distributed Streaming Platform. Monit allows you to monitor web server status. org to a new data center, with an upgraded operating system (and upgraded svn server version. Distribution Contents; Quick. Apache Sentry™ is a system for enforcing fine grained role based authorization to data and metadata stored on a Hadoop cluster. My server is called "willserver.