iam on stability tests right now its great 3 days or more uptime ubuntu 15.04 desktop

installed amd driver from page radeon-crimson-15.12-15.302-151217a-297685e.zip

installed deps.

sudo apt-get install dh-modaliases execstack debhelper dkms lib32gcc1

install the amd driver

sudo ./amd-driver-installer-15.302-x86.x86_64.run

it takes a time 10 mins click continue and yes to install the driver reboot
some commands to get things working hehe
aticonfig --odgt --adapter=all  <- shows temps all cards

aticonfig --adapter=0 --od-setclocks=1100,1500 <- sets clock speed gpu/ram of adapter 0 primary gpu

no amd sdk needed for claymore miner i think the driver installes opencl... have to find out and dig deeper into it ...

download and extract claymore linux miner to Desktop or somewhere else open it and edit start.bash 4 your needs wallet etc etc i mine eth only on ethermine in this example...

./ethdcrminer64 -epool eu1.ethermine.org:4444 -ewal 0xethadresshere.rig1 -epsw x -esm 1

execute this in terminal or add to bashrc

export GPU_FORCE_64BIT_PTR="0"
export GPU_MAX_HEAP_SIZE="100"
export GPU_USE_SYNC_OBJECTS="1"
export GPU_MAX_ALLOC_PERCENT="100"
export GPU_SINGLE_ALLOC_PERCENT="100"

launch miner

./start.bash

miner should work now if i didnt forget anything ask here i try to help