How to start VNC server for GUI interface in Linux

How to start VNC server for GUI interface-

1.       Login into the Linux box

2.       Type the following command in the prompt- tightvncserver :1

Success message for e.g. is displayed.

New 'X' desktop is xxxxsrv.yyyy.zzzz:1

Starting applications specified in /root/.vnc/xstartup

Log file is /root/.vnc/xxxxsrv.yyyy.zzzz:1.log

Apt install iceweasel

apt-get install libtest-www-selenium-perl

Search-   apt-cache search <package name>

Install-   apt-get install <package name>

Type in Command Prompt-

1.  perl -MCPAN -e shell;

2. install HTML::Template

Start VNC Server in Linux:-

1. Start -  tightvncserver :1

2. Stop -  tightvncserver -kill :1

Start Firefox profile in Linux:-

firefox –no-remote -Profilemanager

Installation of new application in 5 easy steps

3.       Download

a)      Download the release from the official channels page:

b)      This how-to supposes that the downloaded file is saved in the "Downloads" directory situated in your home directory.

c)       Extract

d)      The downloaded file is a compressed .tar.bz2 archive.

e)      To extract this archive, open the Downloads directory. Look for a file named for e.g. firefox-8.0.tar.bz2, right-click on it and select "extract here".

f)       Alternatively, you can extract the archive from the command line:

g)      cd ~/Downloads/

h)      tar xjf firefox-8.0.tar.bz2

i)        For those interested, here are the tar  arguments used in the command:
x : extract
j : deal with bzipped file
f : read from a file (rather than a tape device)

j)        The .tar.bz2 archive can now be deleted.

k)  tar -zxvf HTML-Template-2.8.tar.gz 

3. Move to /opt

External programs like LibreOffice, Google Chrome, Adobe reader, ... are all installed in the /opt directory. If you want more info about why, check out these two links:
Where to install my products on linux?
Filesystem Hierarchy Standard
If you already had a previous Firefox version installed in the /opt directory, remove it with the following command:
sudo rm -r /opt/firefox
Now move the firefox directory – which was created in your Downloads folder during extraction – to /opt:
sudo mv firefox /opt/firefox8

4. Set up symbolic links

Depending on you usage pattern, follow the instructions for case 1 OR for case 2.

Case 1: you want to use Firefox 8 as you default browser:

"Backup" the old Firefox launcher: sudo mv /usr/bin/firefox /usr/bin/firefox-old Create a symbolic link pointing to the new Firefox version: sudo ln -s /opt/firefox8/firefox /usr/bin/firefox No need to update your icons/shortcuts, they should now launch the new version of Firefox. Your old Firefox version is still installed. If you want to use it, run firefox-old in a terminal or create shortcuts/icons referring to firefox-old.

Case 2: you want to keep using your "old" Firefox by default:

Create a symbolic link pointing to the new Firefox version: sudo ln -s /opt/firefox8/firefox /usr/bin/firefox8 Launch the newly installed Firefox by running firefox8 in a terminal, or create shortcuts/icons referring to firefox8.