### Example JAVA_HOME setting

Source: https://islandora.github.io/documentation/installation/manual/installing-tomcat-and-cantaloupe/

Example of setting JAVA_HOME to a typical Java 11 installation path on Ubuntu.

```bash
export JAVA_HOME="/usr/lib/jvm/java-11-openjdk-amd64"
```

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

### Start ActiveMQ from bin directory

Source: https://islandora.github.io/documentation/alpaca/alpaca-technical-stack/

Commands to start ActiveMQ from the installation bin directory. After starting, the admin console is available at http://localhost:8161/admin/ with default credentials admin:admin.

```bash
$ cd activemq_install_dir/bin
$ ./activemq start
```

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

### Start Alpaca with external properties file

Source: https://islandora.github.io/documentation/installation/manual/installing-alpaca/

Start Alpaca by passing an external properties file with the -c or --config flag. The example uses /opt/alpaca/alpaca.properties.

```bash
java -jar alpaca.jar -c /opt/alpaca/alpaca.properties
```

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

### Install Drupal using Drush site-install

Source: https://islandora.github.io/documentation/installation/manual/installing-composer-drush-and-drupal/

Installs the basic Drupal Recommended Project with the standard profile. Uses the same database parameters as the MySQL setup. Replace placeholders with your site name, admin username, and password.

```bash
cd /var/www/drupal
sudo -u www-data drush -y site-install standard --db-url="mysql://MYSQL_USER_FOR_DRUPAL:MYSQL_PASSWORD_FOR_DRUPAL@127.0.0.1:3306/DRUPAL_DATABASE_NAME" --site-name="SITE_NAME" --account-name=DRUPAL_LOGIN --account-pass=DRUPAL_PASS
```

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

### Start containers from new images

Source: https://islandora.github.io/documentation/installation/docker/site-template/updating/

Starts the containers from the newly built images.

```bash
docker compose up -d
```

```bash
make up
```

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

### Install MySQL server

Source: https://islandora.github.io/documentation/installation/manual/preparing-a-webserver/

Install the MySQL server package using apt.

```bash
sudo apt install mysql-server
```

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

### Example derivative configuration

Source: https://islandora.github.io/documentation/installation/manual/installing-alpaca/

Example configuration with two services (houdini and fits) showing all required properties.

```properties
derivative.systems.installed=houdini,fits

derivative.houdini.enabled=true
derivative.houdini.in.stream=queue:islandora-connector-houdini
derivative.houdini.service.url=http://127.0.0.1/houdini/convert
derivative.houdini.concurrent-consumers=1
derivative.houdini.max-concurrent-consumers=4
derivative.houdini.async-consumer=true

derivative.fits.enabled=true
derivative.fits.in.stream=queue:islandora-connector-fits
derivative.fits.service.url=http://127.0.0.1/crayfits
derivative.fits.concurrent-consumers=2
derivative.fits.max-concurrent-consumers=2
derivative.fits.async-consumer=false
```

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

### Enable and start Tomcat service

Source: https://islandora.github.io/documentation/installation/manual/installing-tomcat-and-cantaloupe/

Enables Tomcat to start on boot and starts it immediately. Verify with 'sudo systemctl status tomcat | grep Active' expecting 'active (running)'.

```bash
sudo systemctl enable tomcat
sudo systemctl start tomcat
```

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

### Install cURL with apt

Source: https://islandora.github.io/documentation/installation/manual/installing-composer-drush-and-drupal/

Check if cURL is already installed with `curl --version`. If not, install it using `sudo apt install curl`.

```bash
sudo apt install curl
```

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

### Install GNU make on Ubuntu (WSL 2)

Source: https://islandora.github.io/documentation/installation/docker/docker-prereq/

For Windows users running Ubuntu on WSL 2, install GNU make by updating the package list and then installing make with apt.

```bash
sudo apt update
```

```bash
sudo apt install make
```

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

### Install ActiveMQ via system package

Source: https://islandora.github.io/documentation/installation/manual/installing-alpaca/

Installs ActiveMQ using apt-get. Provides base configuration at /var/lib/activemq/conf, data storage at /var/lib/activemq/data, installation at /usr/share/activemq, and an activemq service running on boot.

```bash
sudo apt-get -y install activemq
```

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

### Run Solr installer script

Source: https://islandora.github.io/documentation/installation/manual/installing-solr/

Runs the Solr installer script to set up the Solr user, installation location, and boot configurations. Replace UNTARRED_SOLR_FOLDER with the extracted folder name (e.g., solr-VERSION) and SOLR_TARBALL with the downloaded tarball filename.

```bash
sudo UNTARRED_SOLR_FOLDER/bin/install_solr_service.sh SOLR_TARBALL
```

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

### Serve documentation locally with live preview

Source: https://islandora.github.io/documentation/technical-documentation/docs-build/

Runs the make serve command to start a local server at http://localhost:8080 with live reload. Stop with Control-c.

```bash
make serve
```

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

### Run make demo_content to import demo content

Source: https://islandora.github.io/documentation/installation/docker/isle-dc/docker-local/

Run 'make demo_content' to populate your site with sample objects.

```bash
make demo_content
```

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

### Example: require drupal/islandora branch with alias

Source: https://islandora.github.io/documentation/contributing/testing-a-pull-request/

Example that installs the enable-hocr branch of drupal/islandora and aliases it to 2.12.1 so it meets the ^2.4.1 requirement of drupal/islandora_mirador.

```bash
composer require "drupal/islandora:dev-enable-hocr as 2.12.1"
```

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

### SPARQL Query Example: Getting Objects in a Collection

Source: https://islandora.github.io/documentation/technical-documentation/testing-notes/

Example SPARQL query to find objects in a specific collection at http://localhost:8000/node/7?_format=jsonld.

```sparql
select ?s where { ?s <http://pcdm.org/models#memberOf> <http://localhost:8000/node/7?_format=jsonld> }
```

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

### Run make starter to install Drupal site

Source: https://islandora.github.io/documentation/installation/docker/isle-dc/docker-local/

Run 'make starter' to install the Drupal site in your codebase folder and spin up all other containers.

```bash
make starter
```

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

### Show make command helpers

Source: https://islandora.github.io/documentation/installation/docker/converting/

Run `make help` to familiarize yourself with the new make command helpers provided by the Site Template.

```bash
make help
```

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

### Stop and start containers for production

Source: https://islandora.github.io/documentation/installation/docker/site-template/updating/

Stop and start containers to get the new image. Use docker compose down followed by docker compose up -d or make up.

```bash
docker compose down
```

```bash
docker compose up -d
```

```bash
make up
```

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

### Example title element from GET response

Source: https://islandora.github.io/documentation/technical-documentation/rest-create/

Shows the 'title' element structure returned by a GET request. The 'value' field contains the node title, which is a required field for all nodes.

```json
"title" : [
  {
    "value" : "An example Islandora object"
  }
]
```

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

### Example type element from GET response

Source: https://islandora.github.io/documentation/technical-documentation/rest-create/

Shows the 'type' element structure returned by a GET request on an existing node. The target_id 'islandora_object' is the machine name for the 'Repository Item' content type. The target_uuid is not needed for POST requests.

```json
"type" : [
  {
    "target_id" : "islandora_object",
    "target_type" : "node_type",
    "target_uuid" : "62189bec-3ef3-4196-b847-b17e5ce61fd5"
  }
]
```

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

### Example field_model element from GET response

Source: https://islandora.github.io/documentation/technical-documentation/rest-create/

Shows the 'field_model' element structure returned by a GET request. The target_id is the taxonomy term ID for the model (e.g., 24 for Image, 23 for Collection). Taxonomy terms may vary between instances.

```json
"field_model": [
  {
    "target_id": 24,
    "target_type": "taxonomy_term",
    "target_uuid": "e7560b68-e95a-4e76-9671-2a3041cd9800",
    "url": "\/taxonomy\/term\/24"
  }
]
```

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

### Download and install Composer 2.x

Source: https://islandora.github.io/documentation/installation/manual/installing-composer-drush-and-drupal/

Downloads the Composer installer, makes it executable, runs it, and moves the resulting `composer.phar` to `/usr/local/bin/composer`.

```bash
curl "https://getcomposer.org/installer" > composer-install.php
chmod +x composer-install.php
php composer-install.php
sudo mv composer.phar /usr/local/bin/composer
```

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

### Check and manage Solr service with systemctl

Source: https://islandora.github.io/documentation/installation/manual/installing-solr/

Checks the status of the Solr service and stops/starts it as needed. The installer starts the service automatically, but you may need to restart it after configuration changes.

```bash
sudo systemctl status solr
sudo systemctl stop solr
sudo systemctl start solr
```

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

### Composer require command for Drupal modules

Source: https://islandora.github.io/documentation/technical-documentation/updating-drupal/

Use Composer to install Drupal modules and themes. The example shows requiring the jsonld module version ^2 from the drupal/ namespace.

```bash
$ composer require "<vendor>/<package>:<version>"

# Example
$ composer require "drupal/jsonld:^2"
```

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

### Reinstall drupal/islandora with --prefer-source and --no-cache

Source: https://islandora.github.io/documentation/contributing/testing-a-pull-request/

Example command to reinstall the drupal/islandora package from source, including --no-cache to avoid cache issues when the site was previously installed without --prefer-source.

```bash
composer reinstall "drupal/islandora" --prefer-source --no-cache
```

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

### Install Apache 2 with apt-get

Source: https://islandora.github.io/documentation/installation/manual/preparing-a-webserver/

Installs Apache 2 and its utilities. This sets up a systemd service, configuration in /etc/apache2, a webroot at /var/www/html, and the www-data user/group.

```bash
sudo apt-get -y install apache2 apache2-utils
```

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

### Build static preview for GitHub Pages

Source: https://islandora.github.io/documentation/technical-documentation/docs-build/

Runs make preview to create a static site folder replicating GitHub Pages output. Served at http://localhost:8080. Stop with Control-c.

```bash
make preview
```