Run solr 8 on localhost only

By

Systems Librarian

,

It is a bad practice to expose your solr instance to the public, your data could be manipulated or worse, deleted. Apart from blocking solr’s port 8983 using the firewall, it is also good practice to run solr on localhost only if the service that consumes solr services is running on the same host, eg dspace. This guide is a record of how you can run solr 8.x on localhost:8983

To ensure that Solr 8.x runs on localhost:8983 only on Ubuntu 22.04, you need to configure Solr to bind specifically to the loopback interface (localhost). Here are the steps to achieve this:

Download solr

wget -c https://downloads.apache.org/lucene/solr/8.11.2/solr-8.11.3.tgz

Extract the archive

tar xzf solr-8.11.3.tgz

cd to the extracted directory

cd solr-8.11.3

Install solr


./bin/install_solr_service.sh solr-8.11.3.tgz

Edit the file /etc/default/solr.in.sh and add SOLR_OPTS="$SOLR_OPTS -Djetty.host=127.0.0.1"

Restart solr

systemctl restart solr
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About The Author

Systems Librarian

I have hands-on experience in automation of libraries and publishing platforms using open-source solutions. I have previously worked with numerous organizations and individuals to; 1. Develop systems – install and customize software as per client requirements 2. Offer maintenance of existing systems to ensure continuity by troubleshooting and fixing issues 3. Offer cloud hosting (Amazon AWS, Linode, digitalocean) and the cPanel ecosystem Specifically, I have worked with 1. Koha – Open source library management system, 2. Dspace – Open source digital repository solution, 3. OJS – Open Journal Systems for scholarly open access publishing 4. Invenio – Open source framework for building digital library solutions 5. Wordpress – Open source content management system 6. EZproxy – A proprietary proxy software for accessing subscribed electronic resources remotely. 7. MarcEdit – for converting data to MARC format and vice-versa My skill-set includes; 1. Python with Django web framework 2. PHP with CodeIgniter framework 3. Linux OS and bash scripting 4. Databases – MySQL, PostgreSQL, MS-SQL 5. Web Design – HTML, CSS and bootstrap UI framework 6. JavaScript with jQuery library 7. Survival graphic design with adobe illustrator and photoshop 8. XML and XSL My GitHub account is at http://github.com/otuoma

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