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What is WWW3 or WWW2 or WWW1? We all know that “ WWW ” stands for World Wide Web , which is a kind of prefix before normal domain name. Web created around 1990 in Geneva, Switzerland. But what is WWW1 or WWW2 ? You must noticed www1 or www2 once in a while when you are visiting a website. WWW1, WWW2 or even WWW3 is nothing but a mirror of the original web server which is typical WWW. Many websites like government, banks even major search engines like Google(www1.google.com or www2.google.com) and Yahoo(www1.yahoo.com or www2.yahoo.com)! uses www1 and www2. The main purpose of this techniques is to reduce server load. Sometimes the original server need to be updated or modified but major websites like .gov, .edu, google.com, yahoo.com cannot just shut their main server down for hours to update their system. Therefore, they need to use www1 or www2 duplication of their mainframe server . Sometimes this different servers used for the serving users based on their ...

Oracle 11g installation on RHEL 5. Oracle 11g requires at least 1GB RAM # grep MemTotal   /proc/meminfo MemTotal:          1027144 kb # grep SwapTotal  /proc/meminfo SwapTotal:          1052216 Kb We need  at least 400MB free space in  /tmp About 3.5GB free space for Oracle software The kernel for Red Hat 5 should be 2.6.18 or newer # uname –r 2.6.18-53.el5 1. Install some packages: [root@chetan~]# yum  -y install binutils compat-libstdc++-33 elfutils-libelf elfutils-libelf-devel glibc glibc-common  glibc-devel gcc gcc-c++ libaio libaio-devel libgcc libstdc++ libstdc++-devel  make sysstat  unixODBC unixODBC-devel  2. Edit Kernel Parameter. [root@chetan~]# vim /etc/sysctl.conf # make it comment #net.bridge.bridge-nf-call-ip6tables = 0 #net.bridge.bridge-nf-call-iptables = 0 #net.bridge.bridge-nf-call-arptables = 0 #...

Difference Between PowerShell & CMD A shell is a type of program that allows users to access kernel services from the GUI layer of the operating system. Every type of operating system has this function, given that the graphical level of the operating system, as in Windows, Linux or MAC OS, is a type of shell. Command-line interface shells are usually preferred by advanced users for some tasks because they are much faster due to less overhead. Related Searches: Programming Language Batch Coder Scripting Language Windows PowerShell's scripting language interacts directly with the .NET framework, processing objects rather than simple text. This language also allows for full control of networked computers within the domain, making it perfect for domain administrators. This makes it much more powerful than the command line accessed from "CMD." Batch Language ...