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Fedora 8 Installation Guide
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1. Configuring sudo

Normally if you want to run a command which requires root privileges you first have to type 'su -', type your root password and then type the command. However you can bypass this by using the 'sudo' command. But first you have to configure it like this:

$ su -
Password: <- Give your root password here
# visudo

Now go below the line:

root    ALL=(ALL)       ALL
press a, and type the following

username ALL=(ALL)      ALL
where username is the username you use to login. Next press Escape.

Now, if you want to be promted for your root password each time you use the sudo command go to this line:

# %wheel        ALL=(ALL)       ALL
and with your cursor pointing on # press x

If you don't want to be promted for your root password each time you use the sudo command go to this line:

# %wheel        ALL=(ALL)    & nbsp;  NOPASSWD: ALL
and with your cursor pointing on # press x

**Note: Using sudo without having to type your root password may expose your system since anyone that gets access to that user may as well become root. So, be careful!

Next, press :wq to save and exit. (type the : as well)

Finally type:

# gpasswd -a username wheel
To test if you have done it correctly as a simple user type:

$ sudo whoami
If everything is working properly the command should return the word root.

**Note: For the rest of the guide I will be using the sudo command when I want to execute a command which requires root previleges. You can still use the normal su -c 'command' way.

2. Configuring yum

Basic Commands

  • Install an application

$ sudo yum install application_name

  • Remove an application

$ sudo yum remove application_name

  • Install an rpm from your hard disk using yum to resolve dependencies

$ sudo yum localinstall application_name

  • Search for an application

$ sudo yum search application_name

  • Find info about an application

$ sudo yum info application_name

  • Update the whole system

$ sudo yum update

  • Enable a repository

$ sudo yum --enablerepo=repo_name

  • Disable a repository

$ sudo yum --disablerepo=repo_name

Fedora Repositories

Fedora has 2 repositories named 'fedora' and 'updates'. To use them and not get errors about unsigned packages you must import their GPG keys. Open a terminal and type:

$ sudo rpm --import /etc/pki/rpm-gpg/*

Livna Repository

In Livna repository you can find additional programs and multimedia codecs. Install it like this:

$ sudo rpm -hiv
$ sudo rpm --import

FreshRPMS Repository

Install it like this:

$ sudo rpm -hiv
$ sudo rpm --import

ATrpms Repository

This repository is said to provide better mythtv support among others. I can't say for sure since I don't have a card to test it. To install it type:

$ sudo rpm --import
$ sudo nano /etc/yum.repos.d/atrpms.repo
And paste those lines in the file atrpms.repo
name=Fedora Core $releasever - $basearch - ATrpms
** Note: From now on you should better use only one of Livna, FreshRPMs and ATrpms repositories for installing additional packages. Mixing repositories may cause your system to become unstable or even crash it! I prefer the Livna repository and I will use this for the rest of the guide.  Therefore my default settings will be Livna repository enabled and freshrpms/atrpms repositories disabled. You can disable the ones you don't want like that:

$ sudo nano /etc/yum.repos.d/livna.repo
$ sudo nano /etc/yum.repos.d/freshrpms.repo
$ sudo nano /etc/yum.repos.d/atpms.repo
and change "enabled=1" to "enabled=0". Save (Ctrl+O) and exit (Ctrl+X).

Graphical Interface ( yumex )

If you are not familiar with console you can use yumex. Yumex is a GUI (Graphical user Interface) for yum to simplify all the above commands. To install it type:

$ sudo yum install yumex
** Note: For the rest of the guide I'll be using yum for installing additional packages. If you prefer it you can enable/disable repos and install packages through yumex.

yum through proxy

If you are behind an http proxy server and you want yum to connect to the internet through that proxy open a terminal and type:

$ sudo nano /etc/yum.conf
Add this line in the yum configuration

where ip is your proxy's ip address and port is the port the proxy listens to. Don't forget the / after the port number. Save (Ctrl+O) and exit (Ctrl+X).

yum plugins

  • presto
Presto is a project that provides faster, smaller size downloads to Fedora users. With presto plugin enabled you use deltarpm repositories to download only the part of the rpm that has change, thus saving you bandwidth and time. To enable it open a terminal and type:

$ sudo yum install yum-presto deltarpm
Next we have to make some changes to the .repo file to support downloading from deltarpm repositories.

$ sudo nano /etc/yum.repos.d/fedora-updates.repo
and change it from

name=Fedora $releasever - $basearch - Updates
name=Fedora $releasever - $basearch - Updates
#mirrorlist= repo=updates-released-f$releasever&arch=$basearch
or to
name=Fedora $releasever - $basearch - Updates
depending on your Fedora version.

Save (Ctrl+O) and exit (Ctrl+X). Now each time you try a yum update you should see a 'Loading "presto" plugin' mesage.


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