"XAMPP: Couldn't start MySQL!"

If you use XAMPP, can happen to you the problem of MySQL does not start. This usually happens when we copy the XAMPP folder between computers or even when repomos a copy of the folder entirely.

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LinuxMint: "Encountered a section with no Package: header"

I got the following error messages when trying to update my operating system Linux Mint 13 Maya:

"Reading package lists ... Error!
E: Encountered a section with no Package: header

E: Problem with MergeList / var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_precise-updates_universe_i18n_Translation-pt
E: The package lists or status file could not be parsed or opened. "


Decided as follows by doing the following at the command prompt:
# sudo rm / var / lib / apt / lists / partial / *
# sudo apt-get-f install
# audo apt-get autoremove

Then I managed to use the tool seamlessly updates Linux Mint.

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0

Manual Installation of LibreOffice 3.6



As you know already available version 3.6 of LibreOffice as announced in pplware. You can read more information about new features in the article published by them, here.

However the installation presented by pplware may not work for everyone. Thus experientem as follows:

First remove previous versions:
# sudo apt-get remove libreoffice3.6*
# sudo apt-get remove lodev*


Download LibreOffice 3.6 through the link http://www.libreoffice.org/download/?nodetect. Choose your distribution and your language.
(do not forget to also download the translation of the interface)

installation:
Join a bash console and locate in the directory where you downloaded LibreOffice, usually within the Downloads folder the user area.
# tar xzvf LibO_3.6.0_Linux_x86-64_install-deb_en-US.tar.gz
# sudo apt-get install
# cd LibO_3.6.0.4_Linux_x86-64_install-deb_en-US/DEBS
# sudo dpkg -i *.deb
# cd desktop-integration
# sudo dpkg -i *.deb


Return to graze transfer and install the language packs for:
# tar xzvf LibO_3.6.0_Linux_x86-64_langpack-deb_pt.tar.gz
# cd LibO_3.6.0.4_Linux_x86-64_langpack-deb_pt/DEBS/
# sudo dpkg -i *.deb


Now just go to your menu Productivity and already there are the icons for LibreOffice.

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0

Problems with character encoding (UTF-8 vs ISO-8859-1)

Whenever I need to do something in HTML, PHP and / or MySQL, here comes the problem of character encoding!

In MySQL coding I use is utf8_general_ci and use HTML charset = UTF-8.

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0

Special device /dev/fd0 does not exist!

If you have problems mounting a floppy drive in linux, you may be receiving the following message
"/ dev / tty is not a block device"  
"special device / dev/fd0 does not exist"  
"mount: you must Specify the file system"

If the device / dev/fd0 does not exist probably your module was not loaded at startup. For the load can do it as follows:  

# modeprob floppy  
 and then mount the drive:  
# mount-t vfat /  dev/fd0 / mnt / floppy 
(do not forget to create the floppy directory)

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0

Using the same mouse and keyboard in two or more computers

If you work with more than one computer on your desk, to be sure you felt the need for a utility to share the keyboard and mouse between them.
Synergy lets you easily fill this need. Its use is free because it is an Open Source application.
Exists for various platforms such as Linux, Mac OS X and Windows.
In the next picture you can see an example of using this "small wonder".


In this article I will explain how to install and use this utility in Debian-based operating systems. In my case, I installed a computer with Linux Mint and the other with the Magic Box 16.
Summary of features:

 - Share your keyboard and mouse between multiple computers.
 
- Multiplatform - works with various types of operating system.
 
- Sharing the clipboard - can copy and paste between multiple computers.
 
- Free (open source).
 -
Easy to switch between the different environments - just dragging the mouse.
Installation:
apt-get install quicksynergy
Note: The Quicksynergy is the graphic component of Synergy, which advise otherwise, can only install the Synergy, but have the set up and use the command line.
 
Start Synergy:
If not in the menu, press Alt + F2 to open the program execution and write quicksynergy -> Run.
Setup:
Exemplifying a small scene consisting of a desktop computer (PC) and laptop (notebook).
1. Begin on the two computers quicksynergy.
2. In the main computer (the one with the keyboard and mouse) only need to put the service to run the Execute button on the Share tab. In the following figure is displayed quicksynergy side of the main computer, where the words left, up, right and bottom define the session name to which the laptop will connect.
 


3. On the client computer, or on the laptop, the configuration is done in tab Use. After the specified IP address is simply to call the Execute button.



Este utilitário foi sugerido 
pelo nosso seguidor Adaíl Oliveira.

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Loss of signal with a VGA connection, DVI or HDMI

Very briefly, this problem arises when you turn off the monitor cable and reconnecting, that with the computer and monitor running. In practice, when you reconnect the monitor cable from the graphic does not come back, showing a screen in text mode, forcing the user to restart the computer to overcome the problem.  
Possible solution: 
If there is no xorg.conf file, run the command X-configure. This command will create the home user who is sitting in a model of the xorg.conf file. Then move that file to the right place, which should be in / etc/X11/xorg.conf (may vary with the distro used). The final step lest the problem with signal loss is uncomment the xorg.conf file Section "Device" video card the following line
Option    "HotPlug"    "0"

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