Combine PDF Documents to Single PDF

Here is the command to combine multiple PDF Documents to Single PDF.

$ gs -dBATCH -dNOPAUSE -q -sDEVICE=pdfwrite -sOutputFile=final.pdf file1.pdf file2.pdf file3.pdf file4.pdf

Installing Node.js in Ubuntu

Here are the steps to install Node.js in Ubuntu.

$ sudo apt-get update
$ sudo apt-get upgrade
$ sudo apt-get install build-essential openssl libssl-dev pkg-config

Download the Nodejs Souce from the below link
http://nodejs.org/download/

Extract and move into the folder

$ ./configure
$ make
$ make install

After completing all the above steps add the below code in any of these files ~/.profile or ~/.bash_profile or ~/.bashrc or ~/.zshenv

export PATH=$PATH:/opt/node/bin

For Detailed Installations please refer to the below link.
https://github.com/joyent/node/wiki/Installation

Command to find the processor in ubuntu

$ uname -m

The Below is the Response.

x86_64 ==> 64-bit kernel
i686   ==> 32-bit kernel

Update Skype in Ubuntu

To Remove the Existing Skype in your machine.

             sudo apt-get remove skype skype-bin

 Install Skype on Ubuntu 32bit

• wget -O skype http://download.skype.com/linux/skype-ubuntu_4.0.0.8-1_i386.deb
• sudo apt-get install libxss1
• sudo dpkg -i skype
• sudo apt-get -f install && sudo rm skype

Install Skype on Ubuntu 64bit

• wget -O skype http://download.skype.com/linux/skype-ubuntu_4.0.0.8-1_amd64.deb
• sudo apt-get install libxss1 lib32stdc++6 lib32asound2 ia32-libs libc6-i386 lib32gcc1
• sudo dpkg -i skype
• sudo apt-get -f install && sudo rm skype

 

Cisco VPN in Ubuntu

Hi

Here is the command to install Cisco VPN type in Ubuntu.

# sudo apt-get install network-manager-vpnc

For Detailed Procedure please see the below link:

http://www.ubuntugeek.com/how-to-install-cisco-vpn-client-on-ubuntu-11-10.html

Commands in Ubuntu

Here are the list of commands to install the additional packages in Ubuntu.

For CURL
sudo apt-get install php5-curl

For Chrome Browser
sudo apt-get install chromium-browser