Install OpenWebmail

1. sudo apt-get install perl
2. download openwebmail
3. sudo dpkg -i owm_2.53-2.deb
4. cp -r /var/www/openwebmail  /mysite/openwebmail
5. sudo nano /etc/openwebmail/openwebmail.conf
   • ow_htmldir              /mysite/openwebmail
   • mailspooldir            /mysite/openwebmail/mail
6. http://mysite/cgi-bin/openwebmail/openwebmail.pl

Configure OpenWebmail

• Specified the outgoing mail domain

Set the domainnames option in openwebmail.conf
from 'auto' to the domainname you want.
Multiple domainnames can be separated by comma

JFS format is not robust as ext3 

Every time power fail, restart again, JFS partition CANNOT mount .

manual fix process:

sudo jfs_fsck /dev/sdb1

sudo mount -a

Reference:http://ubuntuforums.org/showthread.php?t=858510

Some time auto fix did not work too!

try:

sudo jfs_fsck –omit_journal_replay /dev/sda1

• GUI mount tools

Install MountManger from (Application -> Add/remove)

• Openssh Server

sudo apt-get install openssh-server openssh-client

• “Remote Host Identification Has Changed” Error

rm ~/.ssh/known_hosts

• Install NFS Server

sudo apt-get install nfs-kernel-server nfs-common portmap

sudo /etc/init.d/portmap restart

• Configure NFS server

sudo nano /etc/exports
/files 192.168.1.1/24(rw,no_root_squash,async)
sudo /etc/init.d/nfs-kernel-server restart
sudo exportfs -a

• Install NFS client support in Ubuntu

sudo apt-get install portmap nfs-common

Mounting manually
sudo mount server.mydomain.com:/files /files

sudo /etc/init.d/portmap restart

sudo /etc/init.d/nfs-common restart

_

sudo tasksel

One command install most Ubuntu Server, such as

…………..

LAMP server

Mail server

DNS server

File server

Printer server

………………….

It is so greater     

Reference:  https://help.ubuntu.com/community/Tasksel