some fixes

README.md

@@ -1,4 +1,4 @@
-# Setup for setup Tensorflow with GPU
+# Setup for Tensorflow with GPU
 
 Tested for ubuntu-20.04.4
 

setup_apps.sh

@@ -14,7 +14,7 @@ if [ ! -s "~/.ssh/authorized_keys" ]; then
   cat id_*.pub >> ~/.ssh/authorized_keys
 fi
 
-echo "\n"
+echo ""
 echo "Install and config python & jupyter..."
 apt-get update && \
 apt-get install -y ipmitool && modprobe ipmi_devintf && \
@@ -34,7 +34,7 @@ if [ $? -eq 0 ]; then
   echo "check nvidia drivers..."
   nvidia-smi
 
-  echo "\n"
+  echo ""
   echo "Setup successfully finished"
 fi
 

setup_bcache.sh

@@ -18,24 +18,24 @@ while [ -b /dev/bcache0 ]
   exit
 fi
 
-echo "Setup bcache... "
+echo "Clean disks and setup bcache... "
-apt-get update && \
-apt-get install -y bcache-tools && \
 dd if=/dev/zero if=$ssddev bs=512 count=8 && \
 dd if=/dev/zero if=$hdddev bs=512 count=8 && \
 wipefs -a $ssddev && \
 wipefs -a $hdddev && \
-make-bcache -C $ssddev -B $hdddev --writeback && \
+apt-get update && \
-echo $sequential_cutoff > /sys/block/bcache0/bcache/sequential_cutoff && \
+apt-get install -y bcache-tools && \
-echo "ACTION==\"add\", SUBSYSTEM==\"block\", ENV{MAJOR}==\"252\", ATTR{bcache/sequential_cutoff}=\"$sequential_cutoff\"" \
+make-bcache -C $ssddev -B $hdddev --writeback
-> /etc/udev/rules.d/99-bcache_sequential_cutoff.rules && \
-udevadm test /sys/block/bcache0
 
-if [ $? -eq 0 ]; then
 echo "Wait until device is ready... "
 while [ ! -b /dev/bcache0 ]; do sleep 1; done
 
-  echo "Fromat and mount bcache device... "
+if [ $? -eq 0 ]; then
+  echo "Config, format and mount bcache device... "
+  echo $sequential_cutoff > /sys/block/bcache0/bcache/sequential_cutoff && \
+  echo "ACTION==\"add\", SUBSYSTEM==\"block\", ENV{MAJOR}==\"252\", ATTR{bcache/sequential_cutoff}=\"$sequential_cutoff\"" \
+  > /etc/udev/rules.d/99-bcache_sequential_cutoff.rules && \
+  udevadm test /sys/block/bcache0 && \
   mkfs.ext4 /dev/bcache0 && \
   mkdir /mnt/bcache && \
   mount /dev/bcache0 /mnt/bcache && \
@@ -43,7 +43,7 @@ if [ $? -eq 0 ]; then
 fi
 
 if [ $? -eq 0 ]; then
-  echo "Config home directory for new users on bcache partition... "
+  echo "Config default home directory for new users on bcache partition... "
   mkdir /mnt/bcache/home && \
   echo "#" >> /etc/default/useradd && \
   echo "# Modifications:" >> /etc/default/useradd && \

setup_cuda.sh

@@ -23,14 +23,14 @@ fi
 distribution=$(. /etc/os-release;echo $ID$VERSION_ID | sed -e 's/\.//g')
 architecture="x86_64"
 
-echo "\n"
+echo ""
-echo "Install drivers..."
+echo "Install requirements..."
 apt-get update && \
 apt-get install -y linux-headers-$(uname -r) software-properties-common
 
 if [ $? -eq 0 ]; then
-  echo "\n"
+  echo ""
-  echo "Install the CUDA repository public GPG key..."
+  echo "Setup the CUDA repository public GPG key..."
   apt-key adv --fetch-keys https://developer.download.nvidia.com/compute/cuda/repos/$distribution/$architecture/7fa2af80.pub && \
   wget https://developer.download.nvidia.com/compute/cuda/repos/$distribution/$architecture/cuda-$distribution.pin && \
   mv cuda-$distribution.pin /etc/apt/preferences.d/cuda-repository-pin-600
@@ -38,24 +38,26 @@ if [ $? -eq 0 ]; then
 fi
 
 if [ $? -eq 0 ]; then
-  echo "\n"
+  echo ""
   echo "Setup the CUDA network repository..."
   add-apt-repository "deb https://developer.download.nvidia.com/compute/cuda/repos/$distribution/$architecture/ /"
 fi
 
 if [ $? -eq 0 ]; then
-  echo "\n"
+  echo ""
   echo "install CUDA..."
-  #Installs all CUDA Toolkit and Driver packages. Handles upgrading to the next version of the cuda package when it's released.
+  #Installs CUDA Toolkit and Driver packages.
-  #Use the --no-install-recommends option for a lean driver install without any dependencies on X packages
+  #Use the --no-install-recommends option should prevent install any dependencies on X packages
+  #It still installes alot of dependencies, but fortunately it seams not to setup x-server
   apt-get update && \
   apt-get install -y --no-install-recommends cuda-11-2
 fi
 
 if [ $? -eq 0 ]; then
-  echo "\n"
+  echo ""
   echo "install libcudnn8..."
-  #Latest available version from nvidia ubuntu1804 repo:
+  #Latest available version from nvidia ubuntu1804 repo
+  #For the current Ubuntu version it was not available. But it seams to work anyway.
   wget https://developer.download.nvidia.com/compute/cuda/repos/ubuntu1804/x86_64/libcudnn8_8.1.1.33-1+cuda11.2_amd64.deb && \
   apt-get install -y ./libcudnn8_8.1.1.33-1+cuda11.2_amd64.deb && \
   rm ./libcudnn8_8.1.1.33-1+cuda11.2_amd64.deb && \
@@ -65,9 +67,7 @@ if [ $? -eq 0 ]; then
 fi
 
 if [ $? -eq 0 ]; then
-  #reboot system
-  #systemctl reboot
   echo ""
   echo "Setup successfully finished"
-  echo "Type \"systemctl reboot\" to reboot system"
+  echo "Type \"sudo systemctl reboot\" to reboot system for loading GPU drivers)"
 fi