From Dc-qt

Installation

There are two ways to install dc-qt, either by compiling from source or by installing the binary package for your platform.

Currently, we provide binary packages for Mac OS X (ppc), Debian/Ubuntu (i386) and Fedora Core 5 (amd64). We also provide general binary packages for linux (i386 and amd64). We happily accept any contributions that could extend this mediocre list :)

Source and binary packages can be downloaded from The dc-qt sourceforge files page

Installing from source

Download the source tarball using the above link. You need some libraries and headers: Qt 4.1 and Boost. Install them using your package manager or whatever. Beware that Qt 4 may not be available pre-built for your distribution, this is the case for Fedora. In that case, you must download the open source version from Trolltech. Building and installing Qt 4 is easy, just unpack, configure and make install as root. After that, you must put Qt4's bin directory in your PATH. For example, export PATH=/usr/local/Trolltech/Qt-4.1.2/bin:$PATH.

Boost is more often available in the package database of various Linux distributions. You'll need the "dev" versions of the packages in order to get the required header files. If not it can be found here.

The file README contains instructions for compiling dc-qt itself.

Installing a binary

For the RPM, just double click on it or do yum install <filename> or rpm -i <filename>.

For the DEB, do a dpkg -i <filename>, or use a graphical installation tool.

The general linux binaries does not have any installation scripts yet. Just unpack and run, or copy the files to your favourite bin/ directory.

For the Mac package just copy the DcQt bundle to a location you prefer. We currently only provide ppc binaries but we plan on providing a universal binary in the near future. You dont need any other dependencies like boost or Qt installed.

The binaries are all statically linked against Qt4, so you dont need to install it. Boost on the other hand is dynamically linked, so you need to install it if you are using the general binaries.

Post installation instructions

From here on, you may proceed to Getting Started for some information about running the application.

Getting Started

The purpose of this page is to get you started using dc-qt without suffering major brain damage (yes it could happen if you are not an experienced DirectConnect user). Please remember that that we are currently in an alpha release stage and everything is not as automatic as it could be.

Starting the user interface

First of all, you need to install dc-qt. See Installation for that.

Once installed, you can simply run dc-qt by executing the command "ui".

"ui" will attempt to start the backend process called "backend" which is the actual DC client. If this fails, you will get an error message.

If everything works out OK, DC++ will create a directory called .dc++ in your home directory where it will store configuration files, file lists and other things. NOTE: This directory is used by linuxdc++ as well, and can be shared between the two. However, you must not run the two programs at the same time.

Change your settings

Now, the first thing you should do is to configure your preferences. Click on the toolbar icon with the text "Settings". You should have a couple of default values filled in already. If not, something is wrong with the backend connection, see below. The settings should be self-explaining except the active / passive mode stuff. Active mode is the most desireable mode, you will get more search results and less problems with file transfers.

Active mode requires that you can accept connections on two ports. If you are behind a hardware firewall (such as a broadband router), you must enter your EXTERNAL IP address, choose 2 ports for incoming connections and configure your router to do port forwarding for these ports to your computer. If you are behind a software firewall, such as Linux iptables, you must allow connections on these ports. A program called "firestarter" is a great tool for doing this.

If you go with passive mode, you dont have to care about any firewall settings.

You dont need to change anything on the Advanced settings page for now. Press Ok and restart the gui for the settings to take effect. You may have to wait a minute or so before restarting (yes we are trying to fix it :) ).

Connect to a hub

Press the public hubs button. A dialog will appear. Choose a hub from the list or enter an address manually. Press connect. Voila.

A little more advanced approach

If you are having problems with starting the backend or getting a backend connection, you may run the backend separately yourself. This works better for several obscure reasons.

First, you need to check what password was generated for the backend. It is stored somewhere in the .qt directory of your home directory. You may change it if you like. Then, start the backend with "backend --password=<yourpassword>". This procedure will probably change in the next version. The backend will print some messages and then wait for a connection. Start the UI. It will connect to the backend automatically.

How to connect to the backend from a remote location

One of the nice features of dc-qt it that you don't have to run the backend and the ui on the same machine. If you want to do this, keep in mind that the information is sent unencrypted over the network so you might want to use an SSH tunnel. On the other hand, the DirectConnect protocol is unencrypted as well, so it may not matter.

First, start the UI on the same machine as the backend is running and go to the advanced settings page. Select a port number and a password for the backend connection. Shut down the ui and keep the backend running, or shut it down and start in manually instead.

Start the ui on your remote machine, go to the advanced settings page and enter the hostname or ip of the backend machine, the port number and the password. Restart the UI.

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