Superset is a powerfull analytic web-based tools, that had support many databases, it’s good for data exploration and visualization. In this tutorial we’ll start from scratch to install Keycloak and Superset Superset version 3.1.1 Keycloak version 24.0.1 The configuration should work for any environment, docker, kubernetes or VPS. But keep in mind on the PATH … Read more
Vault is one of the most used secret solution in the Kubernetes, it’s used by big player. Vault is application that store, and tightly control access to tokens, passwords, certificates, encryption keys for protecting secrets, and other sensitive data using a UI, CLI, or HTTP API. We can use Vault for different use case, but … Read more
Kubernetes Dashboard it’s really helpfull for sharing the URL with team mate or anyone, because by share the URL we can see the same thing. We don’t need to ask people to open their terminal and poking around looking for logs. prerequisite: – Kubernetes cluster – helm – kubectl Create a namespace monitoring for a … Read more
Fluentbit is created as a fluentd successor for cloud native, which use less memory and faster to process the logs. To make is easy managing fluentbit in Kubernetes, like update the config, reload the pod, etc we’ll use fluent-operator. Let’s setup the fluent-operator from scratch. Deploy fluent-operator and fluentbit To deploy fluent-operator and fluent bit, … Read more
Many companies with dedicated security team, requires the UID user used by docker images greater than 1000 to avoid conflict with host id. By default, Linux will assign 1000 UID for the first non-root non-system user account. For docker images that use ENTRYPOINT we need to use the command # command is command line that … Read more
In this tutorial, we’ll learn how to install the latest version of WordPress using Rocky Linux 9. Before doing this tutorial, you’ll need a domain name and Linux server with Rocky Linux 9 installed. It’ll take maximum 30 minutes to finish this tutorial, so stay tuned and take the necessary food and drink to accompany … Read more
In this tutorial, we’ll use Keycloak to manage Grafana users. Keycloak is a well-known application in SSO (Single Sign On) space, it can handle SAML and OpenID (OAuth), depending on your company internal, you can use LDAP in Keycloak or Google Workspace as the user base if your company uses Google Workspace for email. Since … Read more
If you are playing around with many docker images, the storage may be fillup in no time. Then it’s time to do the cleaning up of all images and volumes. But please really really careful, because this command will delete everything that docker created, no matter whether it’s still running or not. 1. Delete container … Read more
Debian 9 will end of life (EOL) in a few months, if you can’t re-install the Debian and copy the files over then upgrade is another option for you. The first rule before doing an upgrade, back up the important files. The system sometimes failed, but for sure it’ll fail, time will tell when it … Read more
When a single MariaDB/MySQL server is no longer able to serve the traffic, it’s time to upgrade to a more reliable and easy to upgrade database server. For scaling MariaDB we can use Galera which is already included in mariadb-server package in Debian 11. Galera doesn’t provide a way to balance the connection from the … Read more