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• "Missing Operating System" after installing Ubuntu 12.04 from a CD on a Macbook Pro

  - by Pierre

  I followed this guide to install Ubuntu 12.04 on my Macbook Pro 8,2 (late 2011): https://help.ubuntu.com/community/MactelSupportTeam/AppleIntelInstallation I used a CD. I synced the partition table on rEFIt, and it went fine. I do have an icon to boot on Linux, but when I launch it, after a few seconds I have "Missing Operating System" displayed, and that's all... How can I fix that? The only thing I see is, in the guide, it is mentioned this: On the last dialog of the installer, be sure to click the “Advanced” button and choose to install the boot loader (grub) to your root Ubuntu partition, for example /dev/sda3. This will be the only partition with the EXT4 file system. In Ubuntu 12.04 installation process, there is not such an option, but there is a dropdown menu to select where the grub bootloader should be installed. It was /dev/sda by default, but I selected my root Ubuntu partition (in my case, /dev/sda5). I got a warning message (but actually, it was the same warning message even when I selected /dev/sda), and I continued the installation... Thanks in advance for your help!

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• Is it possible to install Ubuntu 10.10 and/or Ubuntu 11.04 on a late 2009 iMac?

  - by Oliver

  I would like to install Ubuntu on my iMac 10,1 (21.5 inch display). I would prefer to instal Natty Narwhal, but would surely settle for Maverick Meerkat (which I have a install dvd of). I have an install of OS X Snow Leopard AND a Bootcamp Partition of Windows 7. I would like to keep all these partitions and setup a triple boot system. If it can work, I'm also wondering if it'd be safe to install all updates from the update manager once it's installed. Thank you in advance. :)

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• How do I implement a selectable world map?

  - by Clay

  I want to have a selectable map of the world, preferably zoomable, in a cocos2d project. When I tap on a country, I want that country to be selected so that I can perform some other operations with it. It seems that the best approach would be to use a vector world map, but I'm unsure how to implement this with cocos2d. Other options include using map tiles, but it seems that still would require the implementation of country polygons for tap/click detection. Depending on user input, I want to add icons to various countries on the map. What is a good way to approach the implementation of this type of map?

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• How to Use Vim-Style Keyboard Shortcuts for OS X Tab Navigation

  - by The Geek

  After switching to OS X when I got a new MacBook Air, one of the first things I needed to duplicate was my extremely customized AutoHotkey setup — the most important of which is using the J and K keys to navigate throughout tabbed windows easily. Yeah, I’m a Vim user. I’ve never been a fan of having to use CTRL + TAB to switch from one tab to the next — to start with, you have to move your hands from the home row, and it’s awkward, and why should I have to do that just because somebody decided that keyboard shortcut before tabs became popular? If you think about it, if tabbed browsers were popular back when keyboard shortcuts were being invented, they would have definitely reserved some of the good shortcuts for switching tabs. On Windows, I’ve always used an AutoHotkey script to make things the way I wanted it:  ALT + J and ALT + K for selecting previous and next tabs. Once you get used to it, it’s extremely awesome, and so much faster than using CTRL + TAB. Of course, I also hacked CTRL + T and CTRL + W into ALT + T and ALT + W so I could open new tabs and close them without moving my hands from the home row. Over on OS X, it turns out that it’s incredibly simple and easy to use CMD + J and CMD + K for next/previous tab navigation, and it works in most applications that support tabs, like Terminal, Safari, or Google Chrome.    

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• How do I recover files from U1 cloud

  - by MarkWW

  OK I have just stopped syncing a folder. This appears to have been a huge mistake. I did not realise the folder would disappear from my cloud storage. I assume (and hope) the sub-folders/files it contained still exists in the cloud. I hope they still exists in the cloud because they do not exist on my computer. I did not delete these files from the cloud (I have tried to recover deleted files - none are being recovered). Where are they and how do I get them back into My storage?

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• kernel panic - not syncing vfs unable to mount root fs on unknown-block(1,0) on live cd

  - by sobox studio

  I'm trying to install ubunutu 12.04 on my 2005 PowerMac G5. I've burnt ubuntu-12.04-desktop-powerpc.iso. I try to boot from the live cd. I hit 'enter' to load the live environment. The kernel seems to be fine but then I get this: kernel panic - not syncing vfs unable to mount root fs on unknown-block(1,0) Then it says rebooting in 180........ and hangs. I can't do anything. Any help would be appreciated. Thank you.

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• Should the main game object be static in c++

  - by Som_kun

  I am creating a 2d platformer using SDL and I was thinking that my game object could be static, but I wasn't sure if this was a good idea. The pros (that I can see): Accessing settings options (such as screen size and keyboard bindings) would be easier accessed There should only ever be one main game loop, so this makes sure for me. The cons: From what I've heard, static classes in C++ are a bear to work with I've read that this may cause problems later in development (things don't work right or can't be used properly

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• Help reinstalling Ubuntu on macbook pro

  - by pipsqueaker117

  Ok. I recently installed ubuntu on my macbook pro. Unfortunately, while trying to install the nvidia graphics drivers the system wouldn't reboot, the screen grey for hours. I concluded that I had broken ubuntu, and proceeded to boot into osx and remove the ubuntu partitions. After I had done that, after a reboot, I noticed that "boot linux from hd" was still listed in the bootloader (i'm using rEFIT). I dismissed it. Now, I'm trying to reinstall ubuntu, using the same USB that I successfully installed with earlier. Now, however, when the ubuntu installer is on the "copying files" part this error (more or less) pops up. ERRNO 5: We're sorry, the installer crashed. This error frequently is caused by faulty installation media, the hard disk being too hot... and so on and so forth. I'm not sure what's causing the problem, but I have a hunch that whatever's the reason that's causing linux to show up in rEFIT is the root reason. If anyone could respond, that would be great. PS, and unfortunately no, i do not have a time machine backup.

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• Can't turn off display - 13.10 / iMac

  - by user209883

  I can find no way to completely turn off the display on a late 2013 iMac running 13.10 (Saucy). In the power management settings, I configured the display to "turn off" after one minute to see what would happen. The dimness goes all the way down and everything disappears, BUT the LED backlight remains on. When I try the "xset dpms force off" command, absolutely nothing happens--the command is accepted (no error or warning), but nothing changes. I then wiped everything clean and installed 13.04 (Raring). Both methods (dpms and waiting for sleep) work perfectly there, so something has changed in this new version. The problem can be replicated simply by booting from a bootable USB stick. So, I also gave version 14.04 (Trusty) a try in this manner and it has the exact same issues as 13.10. P.S. I would gladly use 13.04, but the catch there is that I can not get the network card to function. I have spent a week now reading everything i can find on both of these matters with no luck at all. Thank you in advance for any advice.

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• convert old repository to mercurial

  - by nedlud

  I've been playing around with different versioning systems to find one I'm comfortable with. I started with SVN (lets call this version of the project "f1"), then changed over to GIT. But I didn't know how to convert the old SVN repo to GIT, so I just copied the folder, deleted the .svn stuff, and turned it into a GIT repo (lets call this copied version "f2"). Now I'm playing around with Mercurial and was very pleased to find that it has a Tortoise client for Windows. I was also please to find how easy it was to convert the GIT repo into Mercurial, so I preserved the history (I still cloned it first, just in case. So I'm calling this hg version "f3"). But now what I'm wondering is: what do I do with the old SVN repo that still holds my history from before I played with GIT? I guess I can convert the old SVN repo to Mercurial, but can I then merge those two histories into the one repository so I have a complete set of histories in one place? In other words, can I prepend f1 to f3?

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• Rebuilding old (2010) django project in 2012

  - by birgit

  I am trying to make an old Django project run again. After seemingly having solved issues with old sorl.thumbnail versions and deprecated expressions I now get this error when running python manage.py runserver I also tried to copy & paste my old files into a new Django project and get the exactly same error. Maybe someone here has a clue where the problem lies? Unhandled exception in thread started by <bound method Command.inner_run of <django.contrib.staticfiles.management.commands.runserver.Command object at 0x2a80510>> Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/django/core/management/commands/runserver.py", line 88, in inner_run self.validate(display_num_errors=True) File "/usr/lib/python2.7/dist-packages/django/core/management/base.py", line 249, in validate num_errors = get_validation_errors(s, app) File "/usr/lib/python2.7/dist-packages/django/core/management/validation.py", line 35, in get_validation_errors for (app_name, error) in get_app_errors().items(): File "/usr/lib/python2.7/dist-packages/django/db/models/loading.py", line 146, in get_app_errors self._populate() File "/usr/lib/python2.7/dist-packages/django/db/models/loading.py", line 61, in _populate self.load_app(app_name, True) File "/usr/lib/python2.7/dist-packages/django/db/models/loading.py", line 78, in load_app models = import_module('.models', app_name) File "/usr/lib/python2.7/dist-packages/django/utils/importlib.py", line 35, in import_module __import__(name) File "/home/me/Documents/wdws/wdws/../wdws/cityofwindows/models.py", line 73, in <module> class Image(models.Model): File "/home/me/Documents/wdws/wdws/../wdws/cityofwindows/models.py", line 83, in Image 'large': {'size': (640, 640)}, File "/usr/lib/python2.7/dist-packages/django/db/models/fields/files.py", line 233, in __init__ super(FileField, self).__init__(verbose_name, name, **kwargs) TypeError: __init__() got an unexpected keyword argument 'extra_thumbnails' I need to re-build the project just for visual documentation locally... so also any hints on how to quickly re-run outdated django-projects are very welcome!! Thanks a lot (using Ubuntu 12.04)

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• Mac OS X equivalent header file for `sysinfo.h` in Linux

  - by pcbabu

  Is there any Mac OS X equivalent header file for sysinfo.h in Linux. I am porting code from Linux to Mac but the structure struct sysinfo is not found. Edit: ==More info== In Linux platform I use a Header file <sys/sysinfo.h> which is not found in Mac. By including the header in Linux I perform following operation: struct sysinfo s; sysinfo(&s); Which in result give me some system related info. Now as I porting my project from Linux to Mac I want to know is there any similar functionality serve by Mac. Please help. Thanks in advance.

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• How is "clean" testing done on the Macintosh without virtualization?

  - by Schnapple

  One of the things I've run across on Windows is when a web browser plugin or program you're developing makes an assumption that something is installed that, by default, isn't always present on Windows. A perfect example would be .NET - a whole lot of people running Windows XP have never installed any versions of .NET and so the installer needs to detect and remedy this if necessary. The way I've been testing this in Windows is to have a virtual machine with a snapshot of a clean, patched, but otherwise untouched install of XP or Vista or 7 or whatever. When I'm done testing I just discard any changes since the snapshot. Works great. I'm now developing something for the Macintosh, a platform which is very new to me, and I'm seeing that virtualization does not appear to be an option. It's explicitly forbidden in the EULA of Mac OS X, it's only allowed from Mac OS X Server, which seeing as how I'm targeting an end product is of no use to me, and the one program I see which can virtualize it - VirtualBox - only supports the server and actively nukes any discussion of running the consumer/client version of Mac OS X. And the only instructions I find anywhere on the topic seem to involve the use of "hacking" programs which is very much incompatible with the full-time gig I'm trying to do this for. So it looks like virtualization is out, but at various points I'm going to want or need to simulate what it's like to install and run this software on a "clean" Macintosh. How do people usually do this? Just buy multiple Macintoshes and use Time Machine? Am I thinking about this all wrong and everything Just Works? To be clear I'm not trying to run Mac OS X on a Windows machine. I have a Macintosh, I'm fine with virtualizing Mac OS X on Apple hardware, I'm just not seeing a route to making the non-Server version do this. I'm aware that Mac OS X Server can be virtualized but that's not what I'm going for. I'm aware that there are unsanctioned/unsupported methods of making Mac OS X run in virtualization programs like VirtualBox but for legal reasons I am not interested in those. My question is not "how can I do this?" but rather "so this thing I do on Windows seems to not be possible, generally, on the Macintosh, so what do people do to achieve what I'm going for?"

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• Apple Mac Software Development

  - by MattMorgs

  I'm planning on developing an Apple Mac application which will collect hardware information from the host Mac and also installed software info. The hardware and software info will be collected in an encrypted XML file and then posted back to a website. The application should run as a "service" or background process on the Mac and can be configured to collect the data on a frequent basis defined by another encrypted XML config file. I've done plenty of Windows based software development but never on the Mac. Can anybody point me in the direction of any useful info on how to develop on the Mac, collect hardware and software info, export to an XML file, file encryption and packaging a compiled app to run as a service? Is either Objective C, Cocoa or Ruby a possible option? Many thanks for your help in advance!

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• MKV to M2TS muxer for Snow Leopard

  - by Creepy Gnome

  I currently use the tsMuxeR for Windows within a VM on my Mac to mux MKV to M2TS to play on my PS3. tsMuxeR currently doesn't have a version that works with Snow Leopard, and I have not had any luck finding a native Mac application that will run on Snow Leopard that can do what tsMuxeR can. Does anyone know of a Snow Leopard compatible application that can mux MKV to M2TS?

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• How to install Python newt or snack in Mac OS X for byobu

  - by caleban

  I've installed byobu in Mac OS X 10.6.5. It will start, (i.e. it will start a screen session) but in order to run byobu-config and probably in order to do some other things I need a module called snack which apparently is part of python newt. pip search newt and pip search snack return no results. newt and snack aren't in MacPorts or Brew either. I haven't found anything online in my searching with respect to installing newt on Mac OS X. Has anyone else been able to install byobu and newt in Mac OS X?

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• Networking Logs for MAC Addresses

  - by NetworkGuy

  I wanted to ask a multi-part question. Does Comcast Cable Internet services record MAC Addresses of the Router behind the cable modem. I know they record it for the modem itself. But is there a way for the Modem/Comcast to relay and keep logs of the MAC ID of the Router itself? Then does a windows operating system Log the MAC ID of the Router when its connected to it? If so where do I locate and purge this? Please let me know all areas where it is Logged within the operating system. Thank you!

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• Remove associations with applications in VMWare Fusion

  - by Jim McKeeth

  One of the "features" of VMWare Fusion is that it associates files on the Mac host with programs in the VM. Unfortunately I uninstalled VMWare Fusion, and my Mac still has applications in VMWare Fusion associated with it. How can I remove the associations? I went to the Genius Bar, but they didn't know how to fix it (they cleared my cache, but that didn't do it.) I am running OSX Snow Leopard

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• Mac OS X 10.6 issues connecting via vpn to Microsoft server

  - by chris hough

  I am currently running Mac OS X Snow Leopard and trying to use the native vpn client to connect to our Microsoft vpn server. If I route all traffic via the vpn connection I am able to connect to our servers, however, external traffic to i.e. google or stack overflow is blocked. If I uncheck the checkbox to route all traffic via the vpn I can connect to the vpn, however, I can not connect to my servers, external traffic to google or stackoverflow works though. Is this a vpn client issue, do I need to purchase Mac OS X vpn software instead of the native client, or is there a Microsoft vpn server setting that has to be checked. I am not familiar with the server software, but I wanted to post this question here to help out our network admin with the Mac OS X machines.

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• mac osx cannot connect to windows 7 machine

  - by Binary X

  I have a Mac OSX (Snow Leopard 10.6.6) setup on a network with several Windows 7 machines. When trying to place a large file on a Windows share the connection to the Windows share gets lost and I am unable to reconnect until I reboot the Mac. I know this is on the Windows side because the Mac can connect and transfer files to Server 2008 and XP without issue. Looking in the log file I see this message SharePointBrowser::handleOpenCallBack returned 12 I have tried restarting the com.apple.netauth.sysagent service but that did not resolve the situation. I can do an nslookup to the Windows 7 machine, but trying to ping the machine by hostname always gives a hostname lookup failure (I can ping via IP address). I cannot connect to the machine via IP adress either. Any help would be appreciated.

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• Opinions on NTFS for Mac solution?

  - by AngryHacker

  I am currently using the free NTFS-3G to access my NTFS drive from the Mac. It seems pretty stable (except once in the very beginning, it locked up the Mac and corrupted my NTFS drive, which I then fixed with chkdsk from a PC). However, speed is NOT one of its virtues. In fact, it's painfully slow I've been looking at buying Paragon NTFS for Mac OS X 8.0. Their product comparison PDF claims nearly double the speed (vs NTFS-3G) in almost every category (read, write, etc...). In addition, there is now an unsupported native solution with the snow leopard. Can folks here share their experiences. Is the native solution stable enough to be used for daily work? Should I just go with Paragon?

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• Linux scp command issue

  - by George2

  Hello everyone, I am using scp command to copy file from a MacBook Pro OS X 10.5 to another Linux box (Red Hat Linux Enterprise 5). I am using the following command on Mac, sudo scp ~/.ssh/mykey.rsa [email protected], there is no output from Mac command line. I am not sure whether the scp is success or not. Where is the location the file mykey.rsa on remote computer 10.10.100.101? thanks in advance, George

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• Equations saved from Word 2007 for Windows do not appear in Word 2008 for Mac

  - by user36081

  I am a math teacher who uses Word 2008 on the Mac, and I need to collaborate with other teachers who are using Word 2007 under Windows. When they send me a document with mathematical equations in it, I can open it but not see the equations or the document loses formatting such as superscript for exponents. On this page of Known Issues in Word 2008, Microsoft says, Equations saved from Word 2007 for Windows do not appear in Word 2008 for Mac Equations saved in Word 2007 for Windows are not supported in Word 2008 for Mac. The equations will be preserved so that they display correctly in Word 2007, but will appear as placeholders in Word 2008. What can I do to collaborate with users of Word 2007 on mathematical documents?

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• Syntax for find on Mac OS X

  - by hekevintran

  I have a project directory that contains source code and subdirectories of source code. I want to use the Unix program find to search recursively for the names of files of certain extensions. The versions of find on Linux and Mac OS X behave differently. # Works in Linux find . -type f -regex ".*\.\(py\|html\)$" # Neither of these works in Mac OS X find . -type f -regex ".*\.\(py\|html\)$" find . -type f -regex ".*\.(py|html)$" How do I write this command so that it will run on Mac OS X (and hopefully on Linux too)?

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• install pymedia and python audio tools

  - by aaron

  I noticed a pattern of errors while trying to install PyMedia and Python Audio Tools. For both modules I run the following: $ python setup.py install Then I get a series of compilation errors, and then this: lipo: can't figure out the architecture type of: /var/folders/Kx/Kxxj4868HGi6VMhZLPyZN++++TI/-Tmp-//cch1y9AO.out error: command '/usr/bin/gcc-4.2' failed with exit status 1 I'm running Mac OS X 10.5, and this happens whether I'm using gcc-4.0 or gcc-4.2, Mac-Python 2.5 or 2.6, and MacPorts-Python 2.6. What's going on?

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