Using the VirtualBox Linux guest

The Linux guest is just a regular Linux machine! We have detailed below only a few technical details

Becoming root

Do not use the root account or privileges if you don't really know what you are doing!

Depending on what you need to do:

run a single command with the root access rights
sudo command

become root in a terminal
sudo su -

use the root password when a program asks for it. Be sure the programs has legitimate reasons to ask for the root password!

login as root

Creating a new account

login with the root account

change the system and root account language to English, if it's not already the case:

Menu ⇒ Administration ⇒ Langue ⇒ English (USA)

Menu ⇒ Préférences ⇒ Langues ⇒ English, United States

reboot

create the new account:
Menu ⇒ Administration ⇒ Users and Groups (the second one!)

Add User: Warning, make sure the home directory will be created in /homel and not the default /home

add the new johndoe account to the people who can use the sudo command:
echo -e 'johndoe\tALL=(ALL)\tALL' > /etc/sudoers.d/johndoe

Installing new programs with yum

Note: you have to be root to install a program on the command line with yum!

nco operators

nco web site: http://nco.sf.net

At LSCE: yum install nco

Outside LSCE: yum –disablerepo lsce install nco

Installing programs with the Graphical User Interface

Installing other useful (for LSCE) programs

cdo

Web site: https://code.zmaw.de/projects/cdo

ferret + FAST

FAST Installation Guide

ifort

UV-CDAT

The following steps can be used to copy the UV-CDAT installed on asterix to a desktop/laptop with a similar linux installation

Create the top directory where the UV-CDAT versions will be installed (make sure there is enough space available, a few Gb…):
mkdir /homel/cdat
chown jypeter:lsce /homel/cdat

Create a link from where UV-CDAT thinks it is installed, to where it is actually installed (just in case some paths are hard-coded, you never know…):
mkdir -p /usr/local/install
cd /usr/local/install
ln -s /homel/cdat cdat

Use rsync to send the UV-CDAT binaries from a machine where it is installed, to the new machine:
rsync -avzW –delete /usr/local/install/cdat/ jypeter@lsceNNNN:/homel/cdat/

Use the following to initialize UV-CDAT:

Version 1.5

*sh: source /usr/local/install/cdat/versions/cdat_install_uv-1.5.1_x86_64_gcc4_VB_10/bin/setup_runtime.sh

tcsh: source /usr/local/install/cdat/versions/cdat_install_uv-1.5.1_x86_64_gcc4_VB_10/bin/setup_runtime.csh

Version 2.1.0

*sh: source /usr/local/install/cdat/versions/cdat_install_uv-2.1.0_x86_64_gcc4_VB_13/bin/setup_runtime.sh

tcsh: source /usr/local/install/cdat/versions/cdat_install_uv-2.1.0_x86_64_gcc4_VB_13/bin/setup_runtime.csh

Updating Linux

This is detailed in… the Update section

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