hibernate ubuntu 12.04

by default hibernate option is disabled on ubuntu 12.04. to hibernate, open terminal, and execute pm-hibernate  command.

ubuntu 11.10 after install...

configuring desktop environment after installing ubuntu 11.10

1. add facebook(use facebook id as username, for eg www.facebook.com/your_id) and google account to empathy. add empathy to startup applications
2. install skype. add skype to startup applications
3. install remmina remote desktop client - nice app to connect to multiple remote clients
4.install virtualbox, create windows virtual os.. you will have the luxury of windows as well linux.
5. install compizConfig settings manager - to make your desktop 3d
6.install gparted nice app to manipulate your file system
7. install samba, this enables you to share files between your ubuntu and virtual windows.
8. install vnc player.. one player for all purpose
9. install cairo dock.. with compiz 3d, this improves the aesthetic of your desktop to a great extent
10. install Unetbootin - easy app to create bootable disk or usb

using thunderbird on ubuntu as alterntive to outlook web access

new ubuntu comes with thunderbird email client by default.

1. to configure your thunderbird to access owa, select pop3 and security as "NONE"
1.if you are accustomed to using outlook and difficult to switch to thunderbird gui, you can install thunderbird add on "office black" that enables your thunderbird to have an outlook like gui.

2. install thunderbrowse to  browse internet from the thunderbird itself.

3. better than "office black", there is theme called silvermel... it most popular also.

4. to let your replies on top of the mail chain by default, go to edit->account settngs->composition and addressing->composition->reply above quote

files under /proc explained

http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/3/html/Reference_Guide/s1-proc-topfiles.html

/proc/cpuinfo explained with respect to hyperthreading

http://www.richweb.com/cpu_info

virtualbox share folders ubuntu 11.10 host windows 7 guest

I am running windows 7 as virtual machine on my ubuntu laptop using virtualbox software. I wanted to share my ubuntu folders with virtual windows 7.

steps to do it:

1. install samba on your ubuntu.
2. right click on the folder to share from ubuntu.
3. click on "sharing options"
4.check all boxes on new pop up window.
5. open virtual windows 7 in non-full-screen mode.
6. on the left top corner you will find "devices" drop down menu
7. under this menu click "shared folders"
8. on right side of the new window, click add folder option(+ symbol)
9. choose the folder you want to share from ubuntu.
10. restart your virtual windows 7.
11. when restarted, you should be able to see the shared folder in your windows 7 "computer" folder.

NOTE: one must prerequisite for above to work is you should have installed guest additions on your virtual machine.

linux taskset command error "No such file or directory"

command: taskset -c 3,3 -p
output: taskset: executing -p failed: No such file or directory

solution:
taskset -c -p 3,3  6539