mmulvahill

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mmulvahill

My task for June 15th

• Itemize resources and use cases for the cloud
• Consider how all of these can fit together into a unified environment + command-line options

Overview

Key topics

• Google Datalab/Amazon Sagemaker, or hosted Jupyter Notebook through controlled, interface

mmulvahill

//
// initial abstract class approach to the PV classes.  The key problem lines 
// are denoted by ****.  The gist is 1. abstract classes don't allow you to leave
// the return type undefined/virtual, nor member object types to be left 
// undefined/virtual.  But, 2. the class does need to function differently (methods
// denoted ----).  
//
// So far I've figured that a template class approach would solve the 1, but make 2
// more challenging -- how to define different methods for each type -- overloading? 
// -- and how to limit to only the two types wanted (double and arma::mat<2,2>)

mmulvahill

You should only have to set this up once per machine when you first start GitKraken.

If you prefer to work at the command line, we refer you to the following link Intro to Git command line

Configuring Git using GitKraken

mmulvahill

Moving from xubuntu server to Synology DSM. For now just converting code based on sameersbn/docker-gitlab documentation and expected differences in system commands. Testing next...

cd /volume1/docker/personal/gitlab/backups
rsync -av --verbose <location of old backup> /volume1/docker/personal/gitlab/gitlab/data/backups/
chown gitlab:gitlab 1484678383_2017_01_17_gitlab_backup.tar
systemctl stop gitlab.target
systemctl stop gitlab-sidekiq
systemctl stop gitlab-unicorn
systemctl stop gitlab-workhorse.service

mmulvahill

Network Attached Storage (NAS) for CBC/Biostats

I've priced NAS systems ranging from $1,000 to $7,500 and 12TB to 60TB of usable space.
The intended use of these systems ranges from home office to medium-sized businesses and
all of the systems can handle more concurrent users than we will have (200-1600).

My recommendation is to spend between $4,000 and $6,500 netting 30-48TB of space after accounting for RAID mirroring. These prices include the NAS system, 12 hard disks ranging from 6-8TB per disk, and minor accessories depending on the specific system. The two major choices are:

mmulvahill

# R, Java, and RWeka errors

**TL;DR version** 

On macOS
1. Make sure up-to-date Java JDK is installed
2. Reconfigure R's java paths: R CMD javareconf
3. Install rJava from source: install.packages("rJava", type = 'source')
4. Install RWeka: install.packages("RWeka")