Ubuntu installation

Ubuntu 12.04 os setup

After installed ubuntu 12.04  os then  need to install other packages like skype, git, java all that informations here posted

To Install ubuntu

http://releases.ubuntu.com/12.04/

download Wubi installer wubi.exe is simple way to install ubuntu.

Create new user

sudo groupadd ubuntu                              ubuntu  --> groupname

sudo adduser dev -ingroup ubuntu                 Dev -->username 

Set proxy setting

To set the proxy setting system widely

sudo vim etc/enviroment 

Add these contents in environment file

http_proxy="http://domainname:port"

https_proxy="https://domainname:port"

no_proxy="localhost" 

TO create password less sudo user 

  sudo nano visudo
 Add these contents in visudo file 

    root ALL=(ALL:ALL) ALL

    dev ALL=(ALL)NOPASSWD:ALL

    %ubuntu ALL=(ALL)NOPASSWD:ALL

Install skype

Terminal Commands:

wget -O skype.deb http://download.skype.com/linux/skype-ubuntu-precise_4.1.0.20-1_i386.deb

sudo dpkg -i skype.deb

sudo apt-get -f install; rm skype.deb

To change host name

  sudo gedit /etc/hostname 

To set host name example like com.ubuntu.dev

To add hostname in hosts file like this

  sudo gedit /etc/hosts  

   In hosts file we can add

   10.200.1.3 com.ubuntu.dev Ubuntu

Install git 
  To install git using command 

   sudo apt-get install git-core 

To initialize Git 

 Let create an new directory called my project  get into that project through command and follow these commands

1. Git initialize - sudo git init
2. Check for status git status : git status
3. Add user name : git config --global user.name "testuser"
4. Add email id : git config --global user.email test@global.com
5. Add git repository : git remote add origin https://github.com/try-git/try_git.git
6. Clone git repository : git clone https://github.com/try-git/try_git.git
7.  Fetch all the repositories : git fetch --all

Git proxy settings

To  set git running in proxy server  

Command to use :

git config --global http.proxy http://proxyuser:proxypwd@proxy.server.com:8080  

git config --global https.proxy https://proxyuser:proxypwd@proxy.server.com:8080

Note :- --global property is to set proxy globally , if remove --global property proxy will set for only that repository.

 

If you decide at any time to reset this proxy and work without (no proxy):

Commands to use:

git config --global --unset http.proxy  

git config --global --unset https.proxy

Install putty

sudo apt-get install putty 

Install vlc player

sudo add-apt-repository ppa:djcj/vlc-stable

sudo apt-get update && sudo apt-get install vlc 

Java installation

Download jdk http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html here and extract to /usr/lib/jvm

In command prompt download java

wget --no-check-certificate --no-cookies --header "Cookie: oraclelicense=accept-securebackup-cookie" http://download.oracle.com/otn-pub/java/jdk/7u79-b15/jdk-7u79-linux-x64.tar.gz

set java alternatives

1. sudo update-alternatives --install "/usr/bin/java" "java" "/usr/lib/jvm/jdk1.7.0_71/bin/java" 1
2. sudo update-alternatives --install "/usr/bin/javac" "javac" "/usr/lib/jvm/jdk1.7.0_71/bin/javac" 1
3. sudo update-alternatives --install "/usr/lib/mozilla/plugins/libjavaplugin.so" "mozilla-javaplugin.so" "/usr/lib/jvm/jdk1.7.0_60/jre/lib/amd64/libnpjp2.so" 1
4. sudo update-alternatives --install "/usr/bin/javaws" "javaws" "/usr/lib/jvm/jdk1.7.0_60/bin/javaws"
   

To configure java version

$ sudo update-alternatives --config java

$ sudo update-alternatives --config javac

To set java home

1.open /etc/bash.bashrc

2. export JAVA_HOME=/usr/lib/jvm/jdk1.7.0_71

   export PATH=$PATH:$JAVA_HOME/bin 

 set path above like this.

Tomcat 7 installation steps

1.Go to this url page http://tomcat.apache.org/download-70.cgi

2.Downlaod tar.gz file

3.Create new directory tomcat7 in /usr/lib/ folder

4.extract the tar.gz into tomcat7 folder

using this command

tar -xvzf file.tar.gz 

5.Need to set environment variables
   1.open sudo gedit /etc/bash.bashrc
   2.Add below contents in to that file

export CATALINA_HOME=/usr/lib/tomcat7

export PATH=$PATH:$CATALINA_HOME/bin

6. Default port is 8080 if you need to change your port address

goto /usr/lib/tomcat7/conf

1. open server.xml file

2. it contains these pages

    <Connector port="8080" protocol="HTTP/1.1" connectionTimeout="20000"

redirectPort="8443" />

instead of 8080 you can change the port

Eclipse setup

1. Download J2ee eclipse version and extract it.

2. Set jre =>  windows → preferences → java ->  jre here choose set java home

3. To set tomcat home 

     windows → preferences → server ->  runtime environment 

4. To set proxy 

    windows → preferences → general-> network settings
 

Wifi Setup

To install wifi driver 

sudo apt-get install broadcom-sta-common

Or to reinstall

sudo apt-get --reinstall install bcmwl-kernel-source

Link : https://help.ubuntu.com/community/WifiDocs/Driver/bcm43xx


Install sublime text 2

sudo add-apt-repository ppa:webupd8team/sublime-text-2
sudo apt-get update
sudo apt-get install sublime-text 

http://askubuntu.com/questions/172698/how-do-i-install-sublime-text-2-3