linux - RONIN BLOG

A Gentle Guide to Linux File Permissions

Linux file permissions are mysterious, and when faced with permissions errors, most researchers respond either by using sudo or by changing the permissions so that everyone can do everything to the files. The first is the equivalent of finding a locked door and bashing it in....

Administrator

Your RONIN Superpower: The sudo Command

Everyone who creates a machine or a cluster in RONIN has a superpower: the ability to become somebody else. Another user on that computer, that is, including the supreme superuser who has permissions to do anything, whose name is "root".

linux

An Introduction to Linux Directories and the PATH Variable

To effectively manage your compute environment in the cloud, you need to understand the Linux directory structure, as well as key environment variables such as the PATH variable. This blog post is here to teach you the basics.

linux

10 Simple Linux Commands Every Researcher Should Know

Being able to work with and manipulate files directly via the command line is one of the most useful skills to develop when working in the cloud. This blog post will introduce you to 10 common Linux commands that are crucial for your analysis artillery.

parallel

Parallelising Jobs with GNU Parallel

In the cloud, you can easily scale the size of your computing resources to fit your needs, meaning you have the ability to run many commands or scripts in parallel. This is where GNU parallel comes in handy!

Getting Started

Running Commands in the Background with GNU Screen

Being able to run commands and scripts directly from the command-line is great; however, some commands or scripts may need to run for extended periods without interruption. GNU Screen provides a simple solution to ensure your analyses are never prematurely terminated again.

allocation

Auto Scale a Cluster.

Easy to follow guide on how to scale a cluster on RONIN.

link

RONIN LINK - Our Handy Desktop App!

We aim to minimise the complexity of cloud, not just those with IT degrees. Introducing our new SSH desktop app for Ubuntu - RONIN LINK!

ssh

SSH Commands and Default Usernames

We thought it would be a good idea to give you some default SSH commands and usernames to make connecting easier. If you are having difficulty, check out our connecting to linux via SSH article for more information.

linux

Making a Storage Volume Available for Use in Linux

After you attach a storage volume to your machine, you will still have to let Linux know it's there. It will also have to be in a format that Linux recognises.

connect

Connecting to Your New Machine

Connecting to a machine in the cloud can be a bit tricky, especially if you're new to the concept. Here's a few links to get connected!

key

Transferring Files to Your New Machine with Cyberduck

Now that you've created a machine, we will use Cyberduck to move our precious files up to this machine.

connect

Connecting to a Linux (Ubuntu) Machine via SSH

To make use of your newly created Linux machine, you need to connect to it via SSH or Secure Shell. Time to get your hands dirty!