Setting up the miniHPC login node

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RPi Image FlashDrive mini HPC Resources

(Work in progress)

Create an SD card (or USB drive if booting from USB) with Raspberry Pi Lite Os on it.
Do an update and a full-upgrade:

sudo apt-get update
sudo apt-get full-upgrade

Install the following packages:

sudo apt-get install -y nfs-kernel-server lmod ansible slurm munge nmap \ 
nfs-common net-tools build-essential htop net-tools screen vim python3-pip \
dnsmasq slurm-wlm

Modify the hostname

echo pixie001 | sudo tee -a /etc/hostname

Configure dhcp by entering the following in the file /etc/dhcpd.conf

interface eth0
static ip_address=192.168.0.1/24
static routers=192.168.0.1
static domain_name_servers=192.168.0.1

Configure dnsmasq by entering the following in the file /etc/dnsmasq.conf

interface=eth0
bind-dynamic
domain-needed
bogus-priv
dhcp-range=192.168.0.1,192.168.0.100,255.255.255.0,12h

Configure shared drives by addeding the following at the end of the file /etc/exports

/sharedfs    192.168.0.0/24(rw,sync,no_root_squash,no_subtree_check)
/modules     192.168.0.0/24(rw,sync,no_root_squash,no_subtree_check)

The /etc/hosts file should contain the following:

127.0.0.1	localhost
::1		localhost ip6-localhost ip6-loopback
ff02::1		ip6-allnodes
ff02::2		ip6-allrouters

127.0.1.1	pixie001

192.168.0.2	pixie002
192.168.0.3	pixie003
192.168.0.4	pixie004
192.168.0.5	pixie005

Install EasyBuild
```
python -m pip install easybuild
```
Create a shared directory

sudo mkdir /sharedfs
sudo chown nobody.nogroup -R /sharedfs
sudo chmod 777 -R /sharedfs