Installs current linux stable kernel source code onto Redhat EC2 instance
-g
git clone kernel for download
-v
display current stable kernel version
-h
display list of options
-D Subdir
downloads kernel source into give subdirectory
./kernelUpdateScript.sh -v : Displays version
./kernelUpdateScript.sh -g -D /src/2020/install : install kernel using git to spec dir
./kernelUpdateScript.sh -v -h : Displays help
./kernelUpdateScript.sh -D /src/test : installs kernel using wget into directory
./kernelUpdateScript.sh -g : installs kernel to default dir using git
nohup bash ./kernelUpdateScript.sh 2>nohup.err & : use nohup to avoid timeouts