How to install GUI on Ubuntu 11.04 Server

Install the update first
1)sudo apt-get update 
2)sudo apt-get install ubuntu-desktop

How to install windows internet explorer in Ubuntu 10.04 using wine

Download Windows Internet Explorer 8 for Windows XP from Microsoft. Install using wine ubuntu$ wine IE8-WindowsXP-x86-ENU.exe

Installing Zimbra Collaboration Suite 7 On CentOS 5.x (64Bit)

Some Prerequisites

DNS and Hostname Settings

vi /etc/sysconfig/network

NETWORKING=yes
NETWORKING_IPV6=no
HOSTNAME=zimbratest.macsat.info

vi /etc/hosts

127.0.0.1 localhost.localdomain localhost
10.0.0.234 zimbratest.macsat.info zimbratest

Installing sqlite Packages

yum install -y sysstat perl sudo sqlite

Installing Zimbra 7 Opensource

First download Zimbra from Zimbra's website.

mkdir /download
cd /download
wget http://files2.zimbra.com/downloads/7.0.1_GA/zcs-7.0.1_GA_3105.RHEL5_64.20110304210645.tgz

Initiate the installer:

tar -zxvf zcs-7.0.1_GA_3105.RHEL5_64.20110304210645.tgz
cd zcs-7.0.1_GA_3105.RHEL5_64.20110304210645 
./install.sh --platform-override

Once you complete the installation you can now access the admin console:

https://zimbratest.macsat.info:7071

or

https://192.168.1.5:7071

To use the webclient

http://zimbratest.macsat.info

or

http://192.168.1.5

Uninstalling Zimbra Collaboration Suite

To uninstall servers, run the install script -u, delete the zcs directory, and remove the zcs.tgz file on the servers.
1. cd to the original install directory for the zcs files.
2. Type ./install.sh -u.
3. When Completely remove existing installation? is displayed, type Yes.
The Zimbra servers are stopped, the existing packages, the webapp directories, and the /opt/zimbra directory are removed.
4. Type rm -rf [zcsfullfilename] to delete the ZCS directory.
5. Delete the zcs.tgz file.

Delete print jobs from cups service

lprm - Remove a Print Job

Command: lprm -P

Examples:
To remove the job 123 for printer laser, enter
lprm -Plaser 123

To remove all print jobs for the printer laser
lprm -Plaser -

lpq - View Print Jobs
Command: lpq-P 

Example: To view current print jobs for all printers for the current user, enter...
lpq

Example: To view current print jobs for the printer laser only, enter... lpq -Plaser