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Installing and configuring mod_jk

Intorduction Installation of Mod_jk is not that hard but to make it work or integrate with apache and tomcat a bit tricky. I am explaining here how to install and configure apache to serve the java pages or webapps with the help of mod_jk module. Scenario Let me brief myRead More

Recovering deleted data from ext3 filesystem on linux

Scenario: Linux machine with/home having ext3 type of filesystem. You have welcome.jpg file in /home/test. And you have deleted it by “rm -f ” command. Now we will recover that welcome.jpg Required Tools: debugfs, foremost & blkls Step 1. –> Check which Filesystem /home is. Gladiator:~ # df -h FilesystemRead More

Configure the Network Interface in Unix

Configuring a Solaris network interface may be necessary because it needs to be reconfigured on the fly without a reboot. Fortunately, the process to configure a Solaris network interface is relatively simple. Once the Solaris network interface is configured and activated, it allows the Solaris system to communicate on theRead More

Bugzilla Installation on Ubuntu System

Installation checklist Perl 5.8.1 or above – this usually comes with Ubuntu 8.04 or above by default. MySQL Server Apache Web Server 1.3.x or 2.x Install the required packages For MySQL, do apt-get install mysql-server mysql-client For Apache, do apt-get install apache2 apache2-common For Perl Modules, there’s a long list. Do the following apt-get install libchart-perlRead More

How to Install a Puppet Master and Client Server

Puppet is an open-source next-generation server automation tool. It is composed of a declarative language for expressing system configuration, a client and server for distributing it, and a library for realizing the configuration. Setup the EPEL repos for Centos – choose the correct package depending on your installation. rpm -UvhRead More

Email to RSS Feeder

Some days back my boss given me assignment to setup an system to move the noisy emails to some RSS feeder or newsgroup. I never work on RSS or any newsgroup distribution lists. But yes i know the RSS concept. Generally people use RSS to feed the updates of thereRead More

Splunk Server Setup and Configuration

Installation Of Splunk Server Configure Splunk server on 192.168.10.209 1. Download latest splunk.tar.gz from http://www.splunk.com/download?r=header 2. copy download files to /opt 3. untar the downloaded splunk file # cd /opt # tar -xzvf splunk-4.0.8-73243-Linux-i686.tgz # cd splunk/bin/ # ./splunk start Accecpt the agreement and default settings. 4. Open the splunkRead More

subprocess pre-removal script returned error exit status 2? error

Recently, I encountered a package management related error in Ubuntu Jaunty Jackalope 32bit. The package was sharutils and the error was: “E: sharutils: subprocess pre-removal script returned error exit status 2? and details showed: “dpkg (subprocess): unable to execute pre-removal script: Exec format error dpkg: error processing sharutils (–remove): subprocessRead More

Reliance DataCard on Ubuntu

First of all create a file /etc/wvdial.conf vi /etc/wvdial.conf [Modem0] Modem = /dev/ttyUSB0 Baud = 115200 SetVolume = 0 Dial Command = ATDT Init1 = ATZ FlowControl = Hardware (CRTSCTS) [Dialer cdma] Username = Password = Phone = #777 Stupid Mode = 1 Inherits = Modem0 I had connected datacardRead More

DHCP on Ubuntu

Goal: Install DHCP server for 192.168.10.0 VLAN. IP Pool would be 192.168.10.101-250 Prerequisite Details: IP address range: 192.168.10.101 to 192.168.0.250 Subnet Mask: 255.255.255.0 DNS Servers: 202.188.0.133, 202.188.1.5 Domains: transcomus.com Gateway Address: 192.168.10.1 1.Install the DHCP server using the below commands and make some required changes as below: $ sudo apt-getRead More

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