I like to see an 64 bit OS version of Ubuntu Mate to unlock the full potential of the Raspberry Pi 3 B.
It is an 64 bit system it should run an 64 bit OS.
Why?? There is no point on a system with 1GB RAM.
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Arch : https://archlinuxarm.org/platforms/armv8/broadcom/raspberry-pi-3
There are some drawbacks, afaik, so read carefully…
ArmV8 = 64bit ( I think )
You can already do this in Ubuntu. Just start with a mini iso (e.g. http://ports.ubuntu.com/ubuntu-ports/dists/xenial-updates/main/installer-arm64/current/images/hwe-netboot/ ). It’s a bit more involved than a normal Raspberry Pi installation as there are a few manual bits, but it is very much do-able. Some brief info is on the wiki https://wiki.ubuntu.com/ARM/RaspberryPi#Ubuntu_arm64.2FAArch64 . It is also possible to have a multi-arch system. Some people have used this to get around the Firefox problems (and this would be a valid reason for pursuing a 64 bit system).
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To show you it is possible, you can find an arm 64 bit version of lubuntu on this thread https://www.raspberrypi.org/forums/viewtopic.php?f=63&t=190511
Thanks i will try this one
Unfortunately it is 17.04 which has now reached its end of life. So if you install, you’ll have to immediately upgrade to 17.10. Booting the ISO is really slow, but if you install it properly then it is much faster and comparable with a normal 32 bit raspberry pi install.
Here is 64 bit Xubuntu 18.04 AArch64 on Raspberry Pi 2 (rev 1.2), 3B, 3B+ . The same idea as the Lubuntu one I posted before, but the installer is now fully automated so it is able to set up the correct partitions, sorts out the Pi bootloaders and copying the kernel to the fat partition.
whats the best method to install this?
I created an 1.3GB fat32 partition for the installation files and left the rest unallocated which I created an ext4 partition with “/” as its mountpoint.
Ill see if it works since its still installing.
edit: ok its installed now, took quite a while
But it just keeps booting the live installation now.
How can I boot into my installed system?
Perhaps the cmdline.txt needs modifying to point to the correct place.
I’m going to try installing this…
Derek
VM can be much larger, e.g., when mmap-ing a large file on disk (to avoid copies into user space when sending file data directly to other OS functions, e.g., back to a different disk or to a net).
If you look for ready to use ARM64 18.4 img for RPI here You got it.
It is in beta link, but works fine, i’m using it.
THANK YOU CANONICAL 
http://cdimage.ubuntu.com/releases/18.04/beta/ubuntu-18.04-beta-preinstalled-server-arm64+raspi3.img.xz
that works with RaspPi3b+?