Kibana
For Kibana to have any real value here, it’s mission-critical that you have first installed Elasticsearch. As we have already discussed, that’s the most important order of operations for installing and configuring the ELK stack. Assuming you’ve done that, we’ll proceed with the best practice of updating the package index.
Begin by typing sudo apt update to get a list of packages that have updates available. Whether you choose to perform the update or not is up to you. It’s good form to do so but certainly not required. To perform the update, you must type sudo apt upgrade after the previous command has finished executing.
Then, as a best practice, you will also want to type systemctl daemon-reload just to develop the habit of doing so. This will ensure any configuration changes you’ve made that you might have forgotten about are first recognized by systemd before restarting the services. Then, you will want to restart the services...
