Eventually the light bulb went off that the delay was caused because the Apple EFI was scanning the SATA channel for the optical drive first and was timing out looking for a boot loader there. Find the correct device and partition. In a terminal: use diskutil list to list all devices and partitions. For me this solved my slow boot on my triple boot Mountain Lion setup. Hope this helps someone else out there. Been avoiding multi-boot for years but close to caving in 3d modelling tools.
Hello, thats what I lookig for long time! Is it enough type: sudo. Yes, I believe that is correct it has been almost 2 years now since I wrote this. The key to fixing slow boot was: 1 Refind must be installed on the SATA channel that had the optical disk. Apple firmware will scan that channel first. After build in DVD everythings is great. Thank You because Your post help me find my stupid wrong. I am glad I could help.
Good luck. I gave up on triple boot, too much work. Your email address will not be published. Next Previous. On Ubuntu, by default, it displays the native resolution of x which is hard to read because of the text is so tiny on a laptop. So I use a resolution of x on Ubuntu, which is a scaled resolution. The retina "magic" in OS X only happens at one resolution x So if you choose x it will look similar to Ubuntu - slightly fuzzier than if you use x on OS X.
Battery life is relative. So we are comparing 4 hours on Ubuntu with more services with 5 hours on OS X. Normally, I am using Ubuntu when connected to power, so the loss of an hour is not critical to me. I run at native resolution and just scale the fonts by 1.
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I also use the intel graphics and get about 7 hours out of the machine :. Small edit here on how the retina works: The OS is actually rendering at x, while "thinking" it's x Similar to what the retina display does on the iPhone. So when displaying on the screen, everything looks very sharp and crisp, since we have 4 times the level of detail of a regular screen 2 times in each direction.
And by "thinking", I mean that the OS uses the high quality graphics and fonts whenever available. So for example if the Safari Icon is normally 64x64, it will use the x version instead. And it is the case for every icons on the screen. If you dig around the OS a little bit, you'll see things like iconname. So it will use the same high res icons as before. Then, using fancy Math algorithms, the x is scaled down to x to fit the native resolution of the screen.
That algorithm basically finds out what pixels to keep and which ones to combine. That is why it is less clear than the native retina, but still better than non retina screen. You will also notice that Apple gives a little warning saying that scaling resolution may affect performances. That is because the GPU is rendering at that high x resolution internally, which is a lot of pixels, then the scaling algorithm on every single frame also affects the performances. If there is, I haven't figured it out yet. So, the internals of the system don't have high resolution icons stored with the regular icons.
That's why everything will be readable and bigger but blurrier.
Thoughts from a combined Apple/Linux/Windows geek.
If you were to run at resolution higher than x like what OS X does, it would still not make a difference because Linux will still be using it's low res icons and scaling down will just bring you back to normal and that would also be a waste of battery and GPU. Linux will also give you a resolution out of range error because it doesn't support HiDPI yet.
Note that system fonts are a little different since they are based on SVG as opposed to png and can be manipulated independently of the screen resolution. SVG stands for 'scalable vector graphics', which means you can scale fonts as you wish and they will just automatically scale up and down and look awesome! That gives razor sharp fonts and a very readable screen. Also a good point on battery life: that's going to vary from user to user. I tested on a single day on a single configuration, and I haven't sought out any ways to optimise battery life as its not a priority to me.
Franck Kamayou Great note, very informative. Just want to add that KDE, for example, maybe other desktops as well has support for SVG icons as well, so you could set the default icon size to something bigger and still get them to look sharp. My setup works pretty well in KDE. Optionally tweak font sizes as well. You'll have to live with that. And voila! This is a great tutorial! Thank you so much!
For some reason Mac only supports up to OpenGL 3. So I installed all the appropriate libraries to run OpenGL but got a "bad configuration error" after running sample OpenGL code I think this is because the drivers that Ubuntu ships with don't automatically support OpenGL 4. So I went ahead a tried installing drivers for both the nVidia and Intel cards but once I rebooted I got a black screen with no way to access the terminal.
Is there anything special I need to do to get the divers to work with Ubuntu I've been searching around the web with little hope of figuring out how to do this, but to no avail. It may be better to post a question on the OpenGL forum or at askubuntu.
Without grub, I am not sure on how you can boot into linux recovery or console if your drivers fail. I myself tried to install the nvidia drivers, I succeeded but only the native resolution was available and I tried to scale it down and I got a blank screen so I did a fresh install and did not try again since I needed to finish the semester.
I might try again soon and let you know. Everything worked ok for me I am running Ubuntu That's a main issue for me because I am used to having a lot of things opened and sometimes I do not want to turn it off and lose everything I had on the screen. Is there any driver to fix this? I haven't got the 'suspend' option working, but I rarely use it myself. It would be better to post a question on askubuntu. Can you help me please? I managed to go through Ubuntu start option, but when I try to select the "Try Ubuntu option" I have this message "initramfs Unable to find a medium containing a live file system" I googled it and some people said it's USB 3.
I downloaded Ubuntu Thanks for the great tutorial. I'm contemplating whether or not to buy a Mac Pro with Retina to use with Ubuntu. Two things bother me: 1. I find this bad given all of the other file system options. I'm wondering what the performance, etc is? I did not read everything thoroughly, but I'm left with the impression that the Nvidia stuff may be problematic? I'm using the Nouveau drivers for graphics and they work great.
Others use the nVidia drivers and I haven't seen any issues documented. The only drivers that I couldn't get working are the Intel drivers - I get a blank screen on boot. Hi friends i m facing same initramfs problem as above person problem.. Hey, thanks a lot for the tutorial! I'm very close to finishing up the installation but need a little help 1.
I forgot to use the "ubiquity -b" command so I ended up installing ubuntu with Grub. How do I get the pathnames to my kernal and ram disk image? I've been doing everything off a liveCD actually do I didn't understand the whole "upload to dropbox" step Thanks! Got 2 really quick questions, and I'll be done with my installation 1.
What to do now? How can I get the kernel and ram disk image pathnames? I need to add a menuentry to my. Hi, thanks very much for your article. I have the following problem: The refind menu does not show up when booting even after restarting a couple of times. Any idea why this might be the case? I just got a Macbook pro retina early , and seems like rEFInd is not working for some reason. Any solution for that?? I find that sometimes a Mac OSX update will remove the refind boot menu.
Re-running the refind install command sudo. I think I've successfully installed ubuntu using this method but I want to double check. When I use diskutil list and look at the volumes, the space I reserved for Ubuntu in volume 5 says Microsoft User Data. Is this correct? Also regarding wi-fi. I used the command that was suggested by Thomas and this worked for me after I installed but after the final steps where we configure refind to show ubuntu in the boot menu the wi-fi is no longer working and the command no longer works giving the error E: Unable to fetch some archives.
Do you know what the problem is? Mine just says: Jun 29 lappy kernel: [ Hey guys, I've been going through this process of installing on a non-retina Macbook Pro I solved them after much trial and error and obscure googling, so I'll go ahead and share them here if anyone else is struggling. Fix: The developer himself said this is a pretty elusive bug, only happening to a few people, but a fix is to use a different rEFInd version compiled with GNU Tools.
Install this one instead of the typical rEFInd and it should boot every time with no issue from the loader worked for me anyway. Issue: Same old wifi issue many seemed to have, except I didn't have a place to plug in an ethernet and get wired internet so the "sudo apt-get --reinstall install bcmwl-kernel-source" solution didn't work for me. Fix: So, when you're going through the first few pages of the ubuntu installer, the wifi will be broken, but select the install 3rd part apps and proceed.
It will then ask you to connect to a network, and after a few seconds the wifi driver seems to kick into gear and fix itself. From here, connect to your network, go back a page, and select both external installation options. After it installs the wifi should work out of the box. Thanks for posting. I didn't encounter those errors, but I know others have. I have followed the instructions posted here with success. Much appreciated. But, since version 3. Any idea what's going on i. Nothing has broken so far. But, I'm nervous about downloading updated kernel versions that disappear into bit heaven.
You can use the 'uname -a' command to see which kernel version you are running. Then try searching for the latest kernel using 'locate vmlinuz I'm currently running vmlinuz Just to check it isn't related to permissions, you could switch to the root user temporarily using 'sudo su -'. Still no luck with this. They're not. It's not a matter of permissions.
They are nowhere to be found by locate. Done Building dependency tree Reading state information Done 0 upgraded, 0 newly installed, 1 reinstalled, 0 to remove and 5 not upgraded. After this operation, 0 B of additional disk space will be used. Reading database Preparing to replace linux-headers Unpacking replacement linux-headers Setting up linux-headers But, there are no obvious errors messages and the last line suggests the intent to write vmlinuz Ubuntu After I did sudo apt-get --reinstall install linux-image I'll see what happens when the next ubuntu Thanks for your suggestions and patience.
I don't know if this will be of use to anyone but I found another way, quite by accident. Disclaimer: I'm just a tinkering noob. I have a rig I built.
Disco Dingo 19.04
I gave it a couple months and still hated it. So I tried and failed at installing Ubuntu I grabbed an SSD I had kicking around. I quickly connected the net and updated, which require very little. I found that under Ubuntu the MBL ran better and faster. So, after I installed BTW, I used nomodeset and after first reboot added nomodset to the grub and updated it.
As I warned, I am just a noob that tinkers. I don't know if any of this info helps, but I hope it does. I used what I had available. Thank you for your tutorial. I have a few bugs though I haven't been able to solve. When I close the lid and the computer goes into sleep mode, I lose eth0 when it comes back up. I can't connect to a wired network with a static IP address or dhcp.
When I reboot, eth0 is back. I think the network driver is a Broadcom with the driver name of tg3. I put that in there but I haven't seen any improvements. My other issue is that the display settings don't detect an external display monitor. I tried messing with X11 to get that to work but I messed up the whole thing. Now I think I am back to default settings but still no external display. Not sure about the ethernet issues after sleep mode. External displays tend to work best if you plug in the monitor before booting. Hi I have one ssd and one hdd on my macbookpro9,1.
The mac os is installed in the ssd and I would like to install ubuntu I've followed your guide but choosing "Ubuntu" from rEFInd strartup menu, it only run the initramfs console. Have you managed to resolve this issue? I'm running into the same problem. I have a few questions though. First of all, I think I did everything correct until I started installing it. I used Ubiquity -b, then continued through install till I got to the "Free Space" selection where I have to create a root partition and a swap.
They were named "abi I got a really annoying problem with mine.. I have to unplug it and plug it in again. If I have the monitor set as a "mirror" I dont get the problem. Anyone got any ideas how I can fix this? Also anyone had any luck getting sd card working? I have installed Hi there, I tried this with Linux Mint 15 KDE, and it worked, however one really big issue; after long amounts of time of having a closed lid, my MBA mid just hangs when I reopen the lid Hi, I faced the same problem with Refind on my MBP retina, everytime the computer was going to sleep while on the battery.
Ive just finished installing Linux mint 15 on my Macbook pro, and it seemed to atleast boot ok, havent tried anything much beyond that. Any ideas what could I do to fix this. I haven't got Ubuntu to wake up from sleep successfully either. I've ended up having to reboot the machine by logging into a text console Ctrl-Alt-F1. Just switching back to the graphical console Ctrl-Alt-F7 may kick-start the display again. Hey, thanks for the tutorial!
This sounds as though your config file is set up with a generic setting, not the one that is specific to your laptop. You need to find the UUID of the partition, and enter that into the refind. You're probably using a newer version of Ubuntu. Check the name of the kernel file and use that in the config.
Any suggestions on how to fix this? I haven't been able to get the Intel driver to work, so you need either the nouveau or nvidia driver installed. Ctrl-Alt-F1 should get you to the text console - hold the Fn key down as well.
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I'm sorry I forgot that I posted this and since posting I have changed some things so I just posted again. My bad, please ignore this original post. I found that The instructions for the clean install are the same. I've found a simpler config setting for refined and hope to blog about that soon. Hi, Thanks for this tutorial I'm having trouble installing kali linux on my 13" retina I've followed you're tutorial, the only thing different is the iso I used kali linux.
Can someone help me with this? I've got no ideas left. It boots fine! Glad you found a workaround. Good update ; certainly will try it thanks.
Why EFI? Why Not rEFInd?
Now i'm struggling with the wifi. Thanks ;. However, that will change over time. I succeded! On you're second link, the "14ea0" device wich i have is shown as not supported, that was disapointing, but on that page I got the chipset's name : "BCM". It works just fine! Thanks for the hints! First of all, thanks for the great tutorial!
When I wake my computer up from suspend I loose the ability to type or click on anything. It's almost as if the screen just stops updating. I looked around and some people seem to think these issues can be caused by not using the proprietary graphics drivers. However, every time I try and update the drivers Ubuntu starts just booting to a black screen.
macos - Create a bootable Ubuntu USB for PC from my Mac - Super User
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