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How to Install and Configure NFS on Amazon EC2 Linux Instance

Here we are going to explain about the Installation and Configuration procedure for Amazon EC2 Linux Instance. When i configured my first EC2 Linux Instance i was getting the following error while starting the NFS Server. Starting NFS services: [ OK ] Starting NFS quotas: Cannot register service: RPC: Unable to receive; errno = Co rpc.rquotad: unable [...]

Opera Software launched the first beta of Opera Dragonfly

Opera Software today launched the first beta of Opera Dragonfly. Opera Dragonfly is an open source suite of debugging tools for web developers and designers. When you download the Opera browser, Opera Dragonfly is built in and loads automatically from the Web. Opera Dragonfly covers the full debugging workflow, from inspecting network access and downloaded [...]

Example InnoDB my.cnf file for high end GNU/Linux machines

Example InnoDB my.cnf file for high end GNU/Linux machines #—————————————————————- # # my.cnf file # # # See: # # http://dev.mysql.com/doc/refman/5.1/en/server-options.html # http://dev.mysql.com/doc/refman/5.1/en/option-files.html # # You can also dump all the variables set for mysqld with: # # mysqld –verbose –help # #—————————————————————- [client] # These options apply to all client applications # Port and [...]

How to Inspect the Running Configuration of memcached

memcached is a high-performance, distributed memory object caching system, generic in nature, but intended for use in speeding up dynamic web applications by alleviating database load Inspecting Running Configuration of memcached [root@pwas1 ~]# echo “stats settings” | nc localhost 11211 STAT maxbytes 2147483648 STAT maxconns 1024 STAT tcpport 11211 STAT udpport 11211 STAT inter NULL [...]

Download Google Plugin for Eclipse and GWT 2.2

Google Plugin for Eclipse is a set of software development tools that enables Java developers to quickly design, build, optimize, and deploy cloud-based applications. GPE assists developers in efficiently creating a rich user experience, generating high quality Ajax code using the Google Web Toolkit, optimizing performance with Speed Tracer, and effortlessly deploying applications to the Google [...]

How to Install and Configure Multi-Master Replication Manager for MySQL

How to Install and Configure MMM? This article has been refereed from mysql-mmm.org Installation Guide –  Multi-Master Replication Manager for MySQL This installation guide describes a installation of MMM 2 (without the MMM tools) based on Debian Lenny (5.0) A basic installation contains at least 2 database servers and 1 monitoring server. In this guide, I used [...]

Apache Click v2.3.0 Release Candidate 1 now available

Apache Click is a modern JEE web application framework, providing a natural rich client style programming model. Apache Click is designed to be very easy to learn and use, with developers getting up and running within a day. Apache Click 2.3.0 Release Candidate 1  is available for download. v2.3.0 contains important new features including Ajax support, Page [...]

How to Access a Database in PostgreSQL

Once you have created a database, you can access it by: Running the PostgreSQL interactive terminal program, called psql, which allows you to interactively enter, edit, and execute SQL commands. Using an existing graphical frontend tool like pgAdmin or an office suite with ODBC or JDBC support to create and manipulate a database. These possibilities are not covered in this tutorial. Writing a [...]

What is a Hardware load balancer?

A hardware load-balancing device (HLD), also known as a layer 4-7 router, is a physical unit that directs computers to individual servers in a network, based on factors such as server processor utilization, the number of connections to a server, or the overall server performance In networking, load balancing is a technique to distribute workload [...]

Superb Mini Server – A Linux operating system console manageable through Webmin

SMS stands for Superb Mini Server. A Linux operating system console based and manageable through Webmin  web-based interface… Although described as a mini server, have all the features of a powerful server such as apache2, sendmail, postfix, spamassassin, clamav, squid, iptables, MailScanner, mysql, cups and lot of other server packages. SMS also features TorrentFlux, a powerful [...]

A complete List of lighttpd Configuration Options

`configure’ configures lighttpd 1.4.28 to adapt to many kinds of systems. Usage: ./configure [OPTION]… [VAR=VALUE]… To assign environment variables (e.g., CC, CFLAGS…), specify them as VAR=VALUE. See below for descriptions of some of the useful variables. Defaults for the options are specified in brackets. Configuration: -h, –help display this help and exit –help=short display options [...]

VirtualBox 4.0- Professional, flexible, open!

VirtualBox is a general-purpose full virtualizer for x86 hardware. Targeted at server, desktop and embedded use, it is now the only professional-quality virtualization solution that is also Open Source Software. Key Features of VirtualBox: Modularity Virtual machine descriptions in XML. Guest Additions for Windows, Linux and Solaris Shared folders Whats New in this Version: This version [...]

MacRuby 0.8 Released

Highlights: Lots of compatibility and stability fixes. Minor enhancements to the Cocoa development support. macirb (DietRB) now supports auto-indentation and completion. Changes: Fix a bug in Digest.digest and Digest.hexdigest when passing the algorithm name. Fix a bug in Date when not using nsec in substitution for subsec. Fix a bug in Date.httpdate when an exception [...]

How to Set DHCP Server Bindings for Network Connections

You can use the following procedure to set the DHCP server bindings. Membership in the Administrators or DHCP Administrators group is the minimum required to complete this procedure. Open DHCP. In the console tree, click the applicable DHCP server. On the Action menu, click Properties. Click the Advanced tab. Click Bindings. In the Bindings dialog box, in the Connections and server [...]

How to Install DHCP under Windows Server 2008

By using DHCP server computers to centrally manage IP addresses and other related configuration parameters, using DHCP client computers to request and accept TCP/IP configuration information from DHCP servers, and using DHCP relay agents to pass information between DHCP clients and servers, the process of configuring TCP/IP on DHCP clients is automatic. You can use [...]