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4 Enable The root Account

After the reboot you can login with your previously created username (e.g. administrator). Because we must run all the steps from this tutorial as root user, we must enable the root account now.

Run

sudo passwd root

and give root a password. Afterwards we become root by running

su

5 Install The SSH Server

Ubuntu does not install OpenSSH by default, therefore we do it now. Run

apt-get install ssh openssh-server

You will be prompted to insert the installation CD again.

6 Configure The Network

Because the Ubuntu installer has configured our system to get its network settings via DHCP, we have to change that now because a server should have a static IP address. Edit /etc/network/interfaces and adjust it to your needs (in this example setup I will use the IP address 192.168.0.100):

From now on you can use an SSH client such as PuTTY and connect from your workstation to your Ubuntu Feisty Fawn server and follow the remaining steps from this tutorial.

7
Edit /etc/apt/sources.list And Update Your Linux Installation

Edit /etc/apt/sources.list. Comment out or remove the installation CD from the file and make sure that the universe and multiverse repositories are enabled. It should look like this:

vi /etc/apt/sources.list

deb http://de.archive.ubuntu.com/ubuntu/ feisty main restricted
deb-src http://de.archive.ubuntu.com/ubuntu/ feisty main restricted
## Major bug fix updates produced after the final release of the
## distribution.
deb http://de.archive.ubuntu.com/ubuntu/ feisty-updates main restricted
deb-src http://de.archive.ubuntu.com/ubuntu/ feisty-updates main restricted
## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team, and may not be under a free licence. Please satisfy yourself as to
## your rights to use the software. Also, please note that software in
## universe WILL NOT receive any review or updates from the Ubuntu security
## team.
deb http://de.archive.ubuntu.com/ubuntu/ feisty universe
deb-src http://de.archive.ubuntu.com/ubuntu/ feisty universe
## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team, and may not be under a free licence. Please satisfy yourself as to
## your rights to use the software. Also, please note that software in
## multiverse WILL NOT receive any review or updates from the Ubuntu
## security team.
deb http://de.archive.ubuntu.com/ubuntu/ feisty multiverse
deb-src http://de.archive.ubuntu.com/ubuntu/ feisty multiverse
## Uncomment the following two lines to add software from the 'backports'
## repository.
## N.B. software from this repository may not have been tested as
## extensively as that contained in the main release, although it includes
## newer versions of some applications which may provide useful features.
## Also, please note that software in backports WILL NOT receive any review
## or updates from the Ubuntu security team.
# deb http://de.archive.ubuntu.com/ubuntu/ feisty-backports main restricted universe multiverse
# deb-src http://de.archive.ubuntu.com/ubuntu/ feisty-backports main restricted universe multiverse
deb http://security.ubuntu.com/ubuntu feisty-security main restricted
deb-src http://security.ubuntu.com/ubuntu feisty-security main restricted
deb http://security.ubuntu.com/ubuntu feisty-security universe
deb-src http://security.ubuntu.com/ubuntu feisty-security universe
deb http://security.ubuntu.com/ubuntu feisty-security multiverse
deb-src http://security.ubuntu.com/ubuntu feisty-security multiverse

Then run

apt-get update

to update the apt package database and

apt-get upgrade

to install the latest updates (if there are any).

8 Change The Default Shell

/bin/sh is a symlink to /bin/dash, however we need /bin/bash, not /bin/dash. Therefore we do this:

Comments

Instead of rm -f /bin/sh ln -s /bin/bash /bin/sh which leaves no /bin/sh for a few moments. Anything that needs /bin/sh to exist that tries to run before it's recreated will have big trouble. This is a bad habit to get into, especially when you're working with symlinks to libraries. Instead, do ln -sf /bin/bash /bin/sh and it's all done in a single command which guarantees that there isn't even a nanosecond during which there is no /bin/sh.