Tuesday, March 7, 2023

If Node Version Manager (nvm) does not install in Ubuntu

 Manual Install

export NVM_DIR="$HOME/.nvm" && (

  git clone https://github.com/nvm-sh/nvm.git "$NVM_DIR"

  cd "$NVM_DIR"

  git checkout `git describe --abbrev=0 --tags --match "v[0-9]*" $(git rev-list --tags --max-count=1)`

) && \. "$NVM_DIR/nvm.sh"

-------------------------------------

export NVM_DIR="$HOME/.nvm"

[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh" # This loads nvm

[ -s "$NVM_DIR/bash_completion" ] && \. "$NVM_DIR/bash_completion"  # This loads nvm bash_completion


------------------------------------

(

  cd "$NVM_DIR"

  git fetch --tags origin

  git checkout `git describe --abbrev=0 --tags --match "v[0-9]*" $(git rev-list --tags --max-count=1)`

) && \. "$NVM_DIR/nvm.sh"

----------------

nvm install 16.18.1

Sunday, January 29, 2023

Installing DSpace 6.x on Ubuntu/Debian

Software Requirements

Software needed to run DSpace.

  • Java JDK 8
  • Apache Maven
  • Apache Ant
  • PostgreSQL
  • Apache Tomcat


Create User

Create a dspace user.


sudo useradd -m dspace

sudo passwd dspace


Install PostgreSQL

Install PostgreSQL database.


sudo apt install postgresql postgresql-client -y


Create a dspace user with a dspace password in PostgreSQL.


sudo su postgres

createuser -U postgres -d -A -P dspace

exit


Create a dspace database .


sudo -u dspace createdb -U dspace -E UNICODE dspace


Activate the pgcrypto extension.


sudo su postgres

psql --username=postgres dspace -c "CREATE EXTENSION pgcrypto;"

exit


Open the PostgreSQL configuration file.


sudo nano /etc/postgresql/12/main/pg_hba.conf


Add the following line at the bottom of the configuration.


local  all  dspace  md5


Restart PostgreSQL.


sudo systemctl restart postgresql

sudo systemctl status postgresql


Building DSpace

Install OpenJDK 8.


sudo apt install openjdk-8-jdk -y


If you have previously installed another version of OpenJDK, change the default java to OpenJDK 8.


sudo update-alternatives --config java


Install ant and maven.


sudo apt install ant maven -y


Create a dspace folder.


sudo mkdir /dspace

sudo chown dspace /dspace


Create a build folder for building DSpace.


sudo mkdir /build

sudo chmod -R 777 /build

cd /build



wget https://github.com/DSpace/DSpace/releases/download/dspace-6.3/dspace-6.3-src-release.tar.gz


Extract dspace*.tar.gz


sudo tar xzvf dspace*.tar.gz


Move to the dspace-6.3-src-release folder


cd dspace-6.3-src-release


Copy the local.cfg file.


sudo cp dspace/config/local.cfg.EXAMPLE dspace/config/local.cfg


Compile the DSpace package.


sudo mvn -U package


Install DSpace.


cd dspace/target/dspace-installer

sudo ant fresh_install


Install Apache Tomcat

Download and extract Apache Tomcat 9.


cd /opt


wget https://dlcdn.apache.org/tomcat/tomcat-9/v9.0.71/bin/apache-tomcat-9.0.71.tar.gz


sudo tar xzvf apache-tomcat-9.0.71.tar.gz


Change the apache-tomcat-9.0.41 folder to tomcat.


sudo mv apache-tomcat-9.0.71 tomcat


Open the file /etc/profile.


sudo nano /etc/profile


Add these lines at the bottom, configuration environment variables for Java.


export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64

export CATALINA_HOME=/opt/tomcat


Copy dspace webapps to tomcat webapps.


sudo cp -r /dspace/webapps/* /opt/tomcat/webapps


Create a bash script so that Tomcat can run automatically.


sudo nano /etc/init.d/tomcat


Enter the following bash script.


#!/bin/bash

### BEGIN INIT INFO

# Provides:        tomcat9

# Required-Start:  $network

# Required-Stop:   $network

# Default-Start:   2 3 4 5

# Default-Stop:    0 1 6

# Short-Description: Start/Stop Tomcat server

### END INIT INFO


PATH=/sbin:/bin:/usr/sbin:/usr/bin


start() {

 sh /opt/tomcat/bin/startup.sh

}


stop() {

 sh /opt/tomcat/bin/shutdown.sh

}


case $1 in

  start|stop) $1;;

  restart) stop; start;;

  *) echo "Run as $0 <start|stop|restart>"; exit 1;;

esac


Give it executable permissions and set it as service.


sudo chmod +x /etc/init.d/tomcat

sudo update-rc.d tomcat defaults


Run Tomcat server and check its status.


sudo service tomcat start

sudo service tomcat status


DSpace Administrator


Create a DSpace administrator account.


sudo /dspace/bin/dspace create-administrator


Delete the builds folder.


sudo rm -rf /build


DSpace access test.


http://localhost:8080/xmlui or http://serverIP:8080/xmlui

http://localhost:8080/jspui or http://serverIP:8080/jspui

How to migrate Linux Dspace to Window 10

Take a backup of Dspace database and folder s Assume the version is same with both OS [I have tested DSpace 6.3] sudo su mkdir dspace_backup...