0 How to Install Clang for Mac OS X

Today I'm going frustated because can't install some python modules, before I have read that the installation need Xcode. But, after install Xcode I'm still getting error as before.

clang: error: no such file or directory

I think "clang" is build all in one with Xcode, but it's wrong. So I need to install clang manually.

1. Open Xcode
2. Goto Preferences
   
   
   
   
   
   
   
3. Goto Download tabs, short Command Line Tools and click small download icon in the right
   
   
   
   
4. When download began, please wait until done
   
   
   
   
5. Checklist appear, it's mean that the installation successfull
   
   
   
   
6. Your clang installation are down

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2 There was a problem when install Mac OS X

Today I was get screw when installing Mountain Lion on my MacBook Pro, the USB Installer that contain Mountain Lion can't install correctly. The warning message appear look like this :

The simply way to solve this problem is easy, by reseting the PRAM. We can resetting PRAM using this step.

1. Shut down your Mac. 
2. Locate the following keys on the keyboard: Command (⌘), Option, P, and R. You will need to hold these keys down simultaneously in step 4. 
3. Turn on the computer. 
4. Press and hold the Command-Option-P-R keys before the gray screen appears. 
5. Hold the keys down until the computer restarts and you hear the startup sound for the second time. 
6. Release the keys.

OK, now you can continue to install your Mountain Lion

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0 How to Install Ruby and Gem

Ruby is a language of careful balance. Its creator, Yukihiro “matz” Matsumoto, blended parts of his favorite languages (Perl, Smalltalk, Eiffel, Ada, and Lisp) to form a new language that balanced functional programming with imperative programming.
Since its public release in 1995, Ruby has drawn devoted coders worldwide. In 2006, Ruby achieved mass acceptance. With active user groups formed in the world’s major cities and Ruby-related conferences filled to capacity.

So, how to install ruby on mac ?

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3 How to Mount EXT4 Linux Partition on Mac

Someday I have found problem on My Mac, I can't mount my external hard-drive with Extended 4 (Ext 4) Partition. All my backup files saved in the external hard-drive. Mac just running well FAT partition and Mac-Journal. For NTFS just for ReadOnly, so we can't write into NTFS partition. Finally I try to search tool or application for mounting this partition. And I have found tools named MacFuse and FuseExt2.

What is MacFuse ?


MacFUSE allows you to extend Mac OS X's native file handling capabilities via 3rd-party file systems. It is used as a software building block by dozens of products.

As a user, installing the MacFUSE software package will let you use any 3rd-party file system written atop MacFUSE.

As a developer, you can use the MacFUSE SDK to write numerous types of new file systems as regular user-mode programs. The content of these file systems can come from anywhere: from the local disk, from across the network, from memory, or any other combination of sources. Writing a file system using MacFUSE is orders of magnitude easier and quicker than the traditional approach of writing in-kernel file systems. Since MacFUSE file systems are regular applications (as opposed to kernel extensions), you have just as much flexibility and choice in programming tools, debuggers, and libraries as you have if you were developing standard Mac OS X applications.

In more technical terms, MacFUSE implements a mechanism that makes it possible to implement a fully functional file system in a user-space program on Mac OS X (10.4 and above). It provides multiple APIs, one of which is a superset of the FUSE (File-system in USEr space) API that originated on Linux. Therefore, many existing FUSE file systems become readily usable on Mac OS X.

The MacFUSE software consists of a kernel extension and various user-space libraries and tools. It comes with C-based and Objective-C based SDKs. If you prefer another language (say, Python or Java), you should be able to create file systems in those languages after you install the relevant language bindings yourself.

To see some examples of MacFUSE at work, see the videos linked on the right.

The MacFUSE source repository contains source code for several exciting and useful file systems for you to browse, compile, and build upon, such as sshfs, procfs, AccessibilityFS, GrabFS, LoopbackFS, SpotlightFS, and YouTubeFS. For further information about MacFuse you can find here

What is Fuse-Ext2 ?

Fuse-ext2 is a ext2 filesystem (ext2fs/ext3fs) support for mac os x, with both read and write support. fuse-ext2 is written for mounting linux ext2 filesystem from mac osx (macfuse ext2), since source is os independent you can use it on unix distros. and of course fuse-ext2 works on linux (fuse ext2).

Fuse-ext2 software is based on both ntfs-3g, and ext2fuse packages. all operating system stuff is handled by fuse (linux) / macfuse (mac os x), please be sure that you have valid fuse package before using fuse-ext2. More about Fuse-Ext2 you can read it here

So, How to mount the EXT partition ?

1. Download and Install MacFuse on your Mac
2. Download and Install Fuse-Ext2 on your Mac
3. Restart your Mac, and connect your hard-drive external with EXT partition and you will see the Partition readable by your Mac. How a pitty, the partition just support for read-only. So we can't write in the EXT Partition.

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0 MAC Changer

MacDaddyX  is the powefull software for changing the MAC Address. Easy for use and free.
Feature :

MacDaddyX (img from macupdate.com)

1. Support MAC address changer based Manufacture
2. Support change multiple interface network
3. Support LOG
4. Support recover MAC address

Requirements :
PPC/Intel, Mac OS X 10.4.10 or later

Download here

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3 How to change MAC address on Mac

Terminal is the powerfull tools for doing this. First we need to check your interface card of your network device, simply by run this command on terminal (in this case information for interface en0 ) :

ifconfig en0

And it will return information like this,

information interface en0

You can see that my MAC address for interface en0 is b0:07:59:9f:71:4b
Now, I will change the MAC address for interface en0 with this one af:6a:1e:04:aa:43
Simply by run this command :

sudo ifconfig en0 ether af:6a:1e:04:aa:43

MAC address for interface en0 has been changed.

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0 Wireshark Troubleshooting on Mac OSX Snow Leopard

Today I have problem after installing Wireshark version 1.8.2 on my Snow Leopard.

Every time I open Wireshark, the program opens and then instantly quits. Can you explain to me what's going on? And then I try to find causes the problem.

We can run Wireshark from binary/executable which located at /Applications/Wireshark.app/Contents/MacOS/Wireshark.

cd /Applications/Wireshark.app/Contents/MacOS/

./Wireshark

The error appear on terminal window:

dyld: Library not loaded: /usr/X11/lib/libpng12.0.dylib
  Referenced from: /Applications/Wireshark.app/Contents/Resources/bin/wireshark-bin
  Reason: Incompatible library version: wireshark-bin requires version 47.0.0 or later, but libpng12.0.dylib provides version 45.0.0
Trace/BPT trap

Okay, the problem caused by library libpng version. So, the conclusion is reinstall libpng.

1. Download and Install the latest X11 development, here
2. Download and Install Mac Port, here 
3. Update your Mac OS, Apple Logo () -> Sofware Update
4. Restart your Mac
5. Update macport and Install libpng,
   
   

   sudo port selfupdate

   sudo port install libpng

6. Backup the old X11 library /usr/X11
   
   

   sudo mv /usr/X11 /usr/X11.OLD

7. Make symlink for latest X11
   
   

   sudo ln -s /opt/X11 /usr/X11

8. Restart your system and open your wireshark

If you have problem, please leave comment below :)

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