ubuntuask.com
-
3 min readTo set up SSL for a DigitalOcean droplet, you will need to obtain an SSL certificate from a Certificate Authority or generate a self-signed certificate. Once you have the certificate, you will need to install and configure it on your web server (e.g. Apache, Nginx) to enable HTTPS encryption. This typically involves updating the server configuration files to point to the SSL certificate and key file, and configuring the server to listen on the SSL port (443).
-
4 min readTo delete files from DigitalOcean via Flutter, you can use the DigitalOcean Spaces API. First, you will need to authenticate your app with DigitalOcean by obtaining the necessary access key and secret key. Then, you can use the API to send a DELETE request to the specific file you want to delete. Make sure to handle any errors that may occur during the deletion process. Finally, you can provide feedback to the user confirming that the file has been successfully deleted.
-
6 min readTo make changes on a Vue.js project that is already hosted, you will first need to access the files of the project on the server where it is hosted. This can be done by using an FTP client to connect to the server and download the project files to your local machine.Once you have downloaded the project files, you can make the necessary changes to the code using a code editor of your choice.
-
5 min readTo re-create an index in Solr, you can start by deleting the existing index data and then re-indexing your content.Here are the general steps to re-create an index in Solr:Stop Solr: Firstly, stop the Solr server to prevent any conflicts during the re-creation process. Delete the existing index data: Delete the existing index data by removing the contents of the data directory in the Solr installation. This will remove all the indexed documents and configurations.
-
6 min readTo deploy a Nest.js app on DigitalOcean, you will first need to have a server set up on DigitalOcean. Once you have your server up and running, you can follow these general steps to deploy your Nest.js app:Build your Nest.js app for production by running the command: npm run build Copy the generated dist folder to your DigitalOcean server using a tool like SCP or SFTP. Install Node.js and npm on your DigitalOcean server if they are not already installed. Install PM2, a process manager for Node.
-
6 min readIn Solr, a tokenizer is used to break down the input text into individual tokens, which are then passed through a series of filters for further processing. To use a tokenizer between filters in Solr, you need to define the tokenizer as part of the field type in the schema.xml file.First, you need to specify the tokenizer class that you want to use, such as StandardTokenizerFactory or WhitespaceTokenizerFactory.
-
5 min readTo get DigitalOcean environment variables, you can use the control panel or API provided by DigitalOcean.In the control panel, you can navigate to the settings section of your project or droplet to find environment variables that have been set up. These variables can be modified or added as needed.Alternatively, you can use the DigitalOcean API to access and manage environment variables programmatically.
-
6 min readTo get spelling suggestions from a synonyms.txt file in Solr, you can follow these steps:Include the synonyms.txt file in the Solr configuration by adding it to the synonyms parameter in the schema.xml file. Configure the Solr spellchecker component to use the synonyms by setting the spellcheck.collate parameter to true and the spellcheck.build parameter to true. When making a query to Solr, include the spellcheck parameter with the value set to true to enable spelling suggestions.
-
5 min readA UUID (Universally Unique Identifier) can be used in a Solr schema to uniquely identify documents or entities in a Solr index. In order to use UUID in a Solr schema, you need to define a field in your schema.xml file with the field type set to uuid. This field type ensures that each document in the index gets a unique identifier assigned to it.To define a UUID field in your schema, you can add the following lines to the section of your schema.
-
7 min readTo delete files within a folder from DigitalOcean in Node.js, you can use the fs module in Node.js. First, you need to establish a connection to your DigitalOcean server using SSH or any other method. Then, you can use the fs.readdirSync() method to get a list of files within the folder you want to delete files from. After that, you can loop through the list of files and use the fs.unlinkSync() method to delete each file one by one. Finally, you can use the fs.
-
5 min readTo reset a Solr database, you can start by stopping the Solr service to prevent any further changes to the database. You can then navigate to the directory where Solr is installed and locate the data directory for your core. Once you have located the data directory, you can delete all the contents within it to reset the database.After deleting the data directory contents, you can start the Solr service again to create a new, empty database.