Archive for February, 2010

  • IIS 6 performance

    Monday, February 22nd, 2010

    Performance Tuning (IIS 6.0) Web server administrators often monitor their Web servers to create a performance baseline. A performance baseline is a collection of data that indicates how the servers are performing when everything is running smoothly. Before making changes to their servers in a production environment (for example,. rolling out a new version of [...]

  • Running multiple sendmail instances on same server

    Sunday, February 21st, 2010

    Situation:  We want to separate core mail from “higher-risk” mail (i.e. mail sent from application servers in a DMZ) on our sendmail servers. In the event that one of our DMZ servers for which we relay mail is compromised, we do not want our mail server placed on a DNS blacklist. Therefore, we will have [...]

  • How to enable Sendmail Multiple Queues

    Sunday, February 21st, 2010

    Sendmail will use by default a single mail queue. This is what most users will need, and if you don’t have any special requirement you will not care about this. Still for high traffic mail servers it might be useful to split the queue over several directories, as thousands of files in a single directory [...]

  • How do I set my java classpath?

    Sunday, February 21st, 2010

    Problem Linux uses Red Hats java package instead of the Sun jdk. Reason The java interpreter from the standard Red Hat installation is placed in /usr/bin, which is in the path where Linux search for executables. This will be used be default if you don’t specify otherwise. To find the java classes, you also have [...]

  • How can add mail aliases

    Sunday, February 21st, 2010

    vi /etc/aliases #Add following line in the aliases file manoj:manoj.chauhan@onaxer.com,mchauhan@domain.com after that run newaliases command in the shell, it will build the entry with aliases.db database. Now you are able to send the mail to manoj group.  Thanks Manoj Chauhan

  • How to Check Memory Usage in Linux based Server

    Sunday, February 21st, 2010

    Introduction:- Memory is one of the most critical resource components on a server to ensure that the smooth and fast operation. Thus, the availability of adequate and abundant physical memory size is vital especially for any server, especially high load web host that are also running database server such as Oracle or MySQL, which is [...]

  • HOW-TO Install VMWARE server on Centos 5 or Red hat enterprise Linux 64 bit version

    Sunday, February 21st, 2010

    Introduction:- VMware virtualization software is an excllent choice for x86-compatible computers. They have both commercial and free version. I received few email regarding VMWARE on 64 bit Linux. Installing VMWARE server on CentOS 5 or Red hat enterprise Linux 64 bit version is a tricky business. In this small howto I will explain vmware installation [...]

  • Ganglia updated on RHEL 5.3 , Architecture x86_64

    Saturday, February 20th, 2010

    Install ganglia Server 1. Download and install latest repository from the following URL: rpm -Uhv http://apt.sw.be/redhat/el5/en/i386/rpmforge/RPMS/rpmforge-release-0.3.6-1.el5.rf.i386.rpm Note: Please install php with full lib. Support 2. Install the rrdtool by using the following command: Install …..#rpm –Uvh rrdtool-1.2.27-3.el5.i386.rpm rrdtool-devel-1.2.27-3.el5.i386.rpm Note : Both rpms Must be installed together . Or if u want to install through yum [...]

  • How Write Regular Expression

    Monday, February 15th, 2010

    In an Regular Expression there are plenty of special characters, and it is these that both give them their power and make them appear very complicated. It’s best to build up your use of REs slowly; their creation can be something of an art form. Here are some special RE characters and their meaning     [...]

  • How Change senders email address in mutt

    Tuesday, February 2nd, 2010

    i have created the .muttrc in roots home directory and gave the option set from = “xyz@domain.com” but still when i run mutt it gives me the senders address as root<xyz@domain.com> now what??? To change the from email address while using mutt create a .muttrc in the users home directory if it doesnot exist, then [...]