Check infromation of CPU, memory and Hard Drive information

[CONTEXT]
In order to check the information of your CPU, memory and Disk usage.
[HOW]
To check your CPU information, just execute

$ cat /proc/cpuinfo
or
$ lscpu

To check your Memory information, just execute

$ cat /proc/meminfo

To check your Disk Usage information, just execute

$ df -h


[SOURCE]

man proc
man df

Removing annoying console beeps

In order, to remove the beep sound of your linux console just type the following command, in your console (in the directory /home/$your_user)

$echo 'set bell-style none' >> ~/.inputrc

Managing your e-books

[CONTEXT]
You have a collection of e-books and you want organize them, make conversion between file types, read them, or even synchronize them with your e-reader.
[HOW]
Calibre is a Software to manage you e-book collection. You can use it as a reader, converter, news reader, among other features.
To install it, we can use the package in Debian's repository
# aptitude install calibre
[SOURCE]
http://calibre-ebook.com/

Managing your latex bib files in linux

[CONTEXT]
You want a program to manage your Latex bibliography file.
[HOW]
Kbibtex  is a really good program to organize and modify your bib files in Latex using a very friendly GUI.

To install it, we can use the package in Debian's repository
# aptitude install kbibtex

[SOURCE]
http://home.gna.org/kbibtex/

Digital TV and Radio in Linux

[CONTEXT]
You are looking for a program to play webTV and WebRadio on Linux
[HOW]
One of the options to watch webTV and listen WebRadio is Freetuxtv.
You can also record the channels in different formats.
To install it, we can use the package in Debian's repository
# aptitude install freetuxtv
[LINKS]
http://code.google.com/p/freetuxtv/
http://database.freetuxtv.net/site/index

How to synchronize Multiple Dropbox Accounts in your computer

[CONTEXT]
You have multiple accounts in dropbox. (Assume that you have alredy install dropbox on your computer).

[WHEN]  
You want to synchronize all your dropbox account files in your computer at the same time.

[HOW]

• Create the alternative folders for your additional account, for example

         $ mkdir ~/.dropbox-mte
           $ mkdir ~/dropbox-mte

• Run from a terminal the following command

        $ HOME=$HOME/.dropbox-mte /usr/bin/dropbox start -i

• Configure your account and make as default directory ~/dropbox-mte

• Create a file to launch the new instance of the dropbox deamon for example,

            DropboxAltStarter.sh

           #!/bin/bash
           HOME=$HOME/.dropbox-mte /usr/bin/dropbox start

• Executable permissions 

           $chmod 755 ~/DropboxAltStarter.sh

• Include DropboxAltStarter.sh in your starter.

"Go to System -> Preferences -> Startup Applications. Click Add and          include the following:
Name: 2nd instance of Dropbox
Command: /home/Username/DropboxAltStarter.sh
Click Ok."

  
[SOURCE]
http://www.maketecheasier.com/run-multiple-dropbox-accounts-in-mac-and-linux/2010/05/24

Fixing the warning: W: Possible missing firmware /lib/firmware/rtl_nic/....

When I had upgraded some programs, I got the following warning:

W: Possible missing firmware /lib/firmware/rtl_nic/rtl8168f-2.fw for module r8169

To fix it you only have to install the firmware-realtek

# aptitude install firmware-realtek

Source
http://forums.debian.net/viewtopic.php?f=7&t=82716