Hibernate on Ubuntu

If the default hibernate does not work on your Ubuntu installation, try installing the package hibernate.

sudo apt-get install hibernate

To use that script then, you can run it via the terminal

sudo hibernate

or create a shortcut on your panel, right-click and Add To Panel, then select Custom Application Launcher and set it up as follows:

After you click Add, there will be a new icon added to your Panel.

Note: when you run the newly created icon it will ask for a password because you are executing it with sudo.

This is tested on ASUS K53SV with Ubuntu 11.04.

Minimize Audacious to system tray

This feature is not enabled by default, at least in Ubuntu 11.04 with Audacious version 2.4.4. However, there is a plugin which enables this feature, the plugin name is called Status Icon and it is located in Preferences -> Plugins -> General.

After you have enabled the plugin, click on the system tray Audacious icon to hide the program completely.

Change Network Card MAC in Ubuntu/Linux

A Media Access Control address (MAC address) is a unique identifier assigned to network interfaces for communications on the physical network segment. Read more about MAC addresses here.

Tip: Please write down your current MAC address before you continue

To change the MAC address in Ubuntu, perform the following:

Temporary solution

  1. Open terminal and check your current MAC address:
    ifconfig |grep HWaddr  

    Output should be something like this (MAC’s are red):
    eth0           Link encap:Ethernet  HWaddr f4:6d:0b:37:f9:83
    vboxnet0  Link encap:Ethernet  HWaddr 0b:00:23:00:00:00
    wlan0       Link encap:Ethernet  HWaddr e0:c9:d5:1a:ed:b5

  2. Now, disable the network interface (eth0 for the wired network connection, wlan0 for wireless etc.):
    sudo ifconfig eth0 down


  3. Change the MAC address:
    sudo ifconfig eth0 hw ether 00:15:a5:d5:39:19

  4. Enable the network interface:
    sudo ifconfig eth0 up

  5. Check if the change is successful:
    ifconfig |grep HWaddr  

    Should return the changed address:
    eth0           Link encap:Ethernet  HWaddr 00:15:a5:d5:39:19
    vboxnet0  Link encap:Ethernet  HWaddr 0b:00:23:00:00:00
    wlan0       Link encap:Ethernet  HWaddr e0:c9:d5:1a:ed:b5

Permanent solution

  1. Open the interfaces file, you can choose any text editor you want:
    sudo vi /etc/network/interfaces  

    You should see something like the following:
    auto lo
    iface lo inet loopback

  2. Add this line at the bottom of the file:
    hwaddress ether 00:15:a5:d5:39:19 

    The red text is the MAC address, so replace this one with your desired address.

  3. Restart the networking service or your computer:
    sudo /etc/init.d/networking restart

Common issue(es)

  1. If there is no connectivity after ifconfig eth0 up or sudo /etc/init.d/networking restart try the following:
    dhclient eth0 

    This will request a new IP address and it should fix the connectivity issue.

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