howto

14
Apr

Drush & Dreamhost

Its been more than a year since i am using Dreamhost, The basic package is not too great but is cheap and the support is responsive.

Drush or the Drupal Shell is one of the most powerful tools to use when you are working with Drupal. DreamHost provides php5 but uses php4 as the default for the php command line and in that case drush wont work, so here is a 3 step guide to setup drush on your dreamhost account.

  1. Download & Extract Drush some where on your home folder
  2. Add the following lines to .bash_profile using your favorite editor.

    export PATH=/usr/local/php5/bin/:$PATH
    alias drush='/home/username/drush/drush'

    replace the path of drush as per your preferences :)
28
Feb

Using SQL * Plus on Command Line in Ubuntu

This blog post is an HowTo "Setup SQL*Plus to work on BASH" The commands illustrated in this howto are tested on Ubuntu 9.10 with Oracle Database 10g Express Edition Release 10.2.0.1.0 - Production Installed.

What is SQL * Plus ?

SQL*Plus is a command line SQL and PL/SQL language interface and reporting tool that ships with the Oracle Database Client and Server software. It can be used interactively or driven from scripts. SQL*Plus is frequently used by DBAs and Developers to interact with the Oracle database.

Prerequisite

Oracle Database 10g Express Edition Release 10.2.0.1.0 Installed

Once you have Oracle 10g Installed successfully you can go to

Applications > Oracle Database 10g Express Edition > Run SQL Command Line

and successfully run all your SQL PL/SQL easily but using SQL*Plus directly on BASH is the real fun, Below are the steps which will enable you to use SQL*Plus on BASH

1) set ORACLE_HOME

5
Feb

4 Steps to add Ubuntu Systems to Active Directory Setup

The IT environment today in any organization is a sort of a mixture where many different Operating Systems are used, and Windows Active Domain Controller exists in majority of such organization.

Below is a 4 step How to on "Connecting Linux (Ubuntu) Systems to Active Directory Setup"

1) Update the Software Repositories

sudo apt-get update

2) Install Required Packages (likewise-open)

sudo apt-get install likewise-open

3) Join The Domain using Domain Administrator Account, replace Administrator with Domain Administrator Username and fqdn..domain with the Fully Qualified Domain Name

sudo domainjoin-cli join fqdn.domain Administrator

4) Update the Startup Scripts

sudo update-rc.d likewise-open defaults

22
Oct

Restrict Multiple Logins in Domain (AD)

I have always asked this question to my colleagues as to "How do i restrict Multiple Logins in an Active Directory Setup"

So here is the answer

Create a file when a user login and check for such file each time the login request is received  if file exists logoff, if file is not present Login and create the file. Its that simple

Below is the step by step process to achieve this using Group Policy

Assumptions:

26
Aug

Key Based Authorization with SSH

Using remote shells is all time favourite but remembering those many passwords is a pain so here are the steps to login using SSH without putting a password :)

 

1. Create a public ssh key, if you haven’t one already. Look at ~/.ssh. If you see a file named id_dsa.pub then you obviously already have a public key. If not, simply create one.

ssh-keygen -t dsa should do the trick. Please note that there are other types of keys, e.g. RSA instead of DSA.

2. Make sure your .ssh dir is not publically writable

    # chmod 700 ~/.ssh

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