What is a thread? Thread is the smallest execution unit that can be schedule by the operating system. A process is a running program. When you start a program, you create a process.In one process, there can be more than one thread. Threads in a process share an environment created by the process. System vs … Read more
Recently I developed an API with Spring Boot. All the tests on the local environment went well with Postman. However, when deploying to prod through HAProxy, I got this CORS error: There are also other errors regarding missing headers, origin… There are some solutions available, such as adding code to my Spring Boot code base. … Read more
To keep it short, here is the code you need to replace in /etc/nginx/conf.d/default.conf You may want to update server_name to your domain name if you are not deploying in docker. Otherwise, this config works with docker. Give it a try, you’ll see that the 404 page is gone when you refresh your site.
Need help configure keycloak with spring boot? This is what you need.
Most used commands (copy directly from the man page) To remove a package To install a package List installed packages Search an installed package To remove mulitple packages using regex wildcard: For example, you want to remove all php related packages on your system, you can do like this: You’ll see messages like these: It … Read more
Create an user To create an user in Solr, first, you need to enable authentication plugin by creating a file named security.json under /var/solr/data. Enter into your Solr environment (docker or command line where you have Solr installed) and execute the following command: This command creates the security.json file at the correct location and also … Read more