In my current configuration I have uninstalled networkmanager or wicd. My /etc/network/interfaces file has :

    auto ra0
    iface ra0 inet static
    address 192.168.0.1
    netmask 255.255.255.0
    gateway 192.168.0.254
    wireless-essid myssid
    wireless-key 0000000000

To solve the wifi loss on hibernate problem I tried to add “rt61pci” to the MODULES_WHITELIST in /etc/default/acpi-support file :

    # Note that network cards and USB controllers will automatically be unloaded
    # unless they're listed in MODULES_WHITELIST
    MODULES=""

    # Add modules to this list to leave them in the kernel over suspend/resume
    MODULES_WHITELIST="rt61pci"

It had some effect. Now the wifi card is alive (connected to the local network, ip ok) after standby however internet connection still does not work. In case you need to know the name of your wifi module you can use the command :

    sudo lshw # lists your hardware and the drivers used.

From this bug report it seems that installing the linux-backports-modules-hardy-generic package should help. That will be my next step.

By the way here is a list of useful commands to configure your wifi on Linux :

    lsusb # USB hardware list
    lspci # PCI hardware list
    sudo lshw -C # network network hardware list
    lsmod # loaded modules list
    iwconfig # wifi interfaces list
    ifconfig # network interfaces list
    iwlist # list of the networks that can be scanned by the wifi hardware
    cat  /etc/network/interfaces # gives you the content of the interfaces file
    cat /etc/lsb-release # gives the Linux version you are using
    uname -r -m # gives the Linux kernel you are using
    sudo ifdown ra0 # stops the ra0 interface 
    sudo ifup ra0 # starts the ra0 interface
    sudo /etc/init.d/networking restart # restarts your network interface

This list can also be found in French here .

Here is a short list of wifi managers.
network-manager, knetworkmanager, wicd, rutilt, kwifimanager, wifi-radar.
I tried all of them. Wicd proved to be useful in my case even if I am not currently using it. I am still using kwifimanager only to display the state of the connection, it does not configure anything.

I hope you got less troubles with your wifi setup.

Ok let us see why it is actually useful.

Today, email is a new phone. You use it to discuss with someone, to get info, to ask info to several people at the same time, along the day you keep an eye on your mail client just like you stay available to answer a phone call. When you answer a phone call you still have your monitor in front of you and it may prove very useful. You have a phone on your desktop so you should have an email client on your desktop. This email client is your second monitor.

Email is a loss of time I am definitely not going to let my employees loose yet more time with email! OK you want your employees to be productive and as efficient as possible. Here is another use of the 2 screens. I am a control systems engineer so I make a lot of technical work including simulations and data analysis under Matlab/Simulink. It happens that I must report about this fun stuff. So I write technical notes under Word. The notes make heavy use of Matlab figures / data. So I must send the data from one to the other. I click on Matlab, it appears and Word disappears. I click on Word it appears, etc. What I want is 2 monitors, Matlab on the right, Word on the left. It is as simple as that. Moreover I can type my report and check what is going on for other simus.

In financial engineering people use commonly more than 2 monitors to follow the stocks. Even if you are in a less profitable business I am sure it will be worth it to buy 2 monitors per PC.

It is so frustrating to have 2 or 4 processors on your PC and yet only one monitor. I will end up installing by myself 2 monitors because if I wait for my dear employer I will wait for long.

By the way if you have only one video output on your card just buy a "video splitter".

You already have 2 monitors or more ? Tell us your setup !