To run a command right after you boot, before anybody logs in, add the command to the file /etc/rc.local:

1. Open a Terminal.
2. Become root: su -
3. Open the file in your favorite text editor: vi /etc/rc.local
4. Add the command that you want to run to the end of the file, on its own line.

If your having trouble diagnosing email issues with Zimbra Opensource edition, such as having trouble receiving external email look at the following wiki pages:

• http://wiki.zimbra.com/index.php?title=ZimbraMtaMyNetworks

Problem:

HTTP request status Fails
Your system or network configuration does not allow Drupal to access web pages, resulting in reduced functionality. This could be due to your webserver configuration or PHP settings, and should be resolved in order to download information about available updates, fetch aggregator feeds, sign in via OpenID, or use other network-dependent services.

In case you forgot to add another disk or partitioned your Linux installation wrong, you can still move /home to your new drive with these steps.  This works for Fedora, CentOS or SuSE.

Make sure that you are logged in as root and that no other user is logged in, then follow these steps;

1) fdisk /dev/sdb -- create a partition
2) mkfs.ext3 /dev/sdb1 -- format the partition as ext3
3) e2label /dev/sdb1 somelabel -- set a label 'somelabel' to the partition.

For a useful remote desktop utility install the following:

yum install rdesktop
yum install tsclient

Then type to start the program:

tsclient

The software will be similar to remote desktop in Windows:

At this point in time however, you may want to have an icon created for easy launching. In Fedora 8, you can create a launcher on the top toolbar by:

1.)Right click on the bar and go add to panel:
2.)Select Custom Application Launcher:
3.)In the command area type: tsclient and fill in the other forms.

Click ok and there should be a new program launcher icon.