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Monitor Linux Servers with Grafana and Prometheus (node_exporter)

Posted on 31/01/2021 by Lisenet

We are going to install node_exporter and configure Prometheus to monitor Linux servers. Continue reading →

Posted in Kubernetes, Linux, Monitoring | Tagged Grafana, homelab, Kubernetes, node_exporter, Prometheus | 1 Comment

Passed AWS Solutions Architect Associate Exam (SAA-C02)

Posted on 24/01/2021 by Lisenet

Kick-starting the new year with AWS. Continue reading →

Posted in Linux | Tagged AWS, SAA-C02 | Leave a comment

Install and Configure a PXE Boot Server for Kickstart Installation on CentOS 7

Posted on 09/01/2021 by Lisenet

I am moving away from Foreman managed PXE functionality to a standalone PXE boot server. Continue reading →

Posted in Linux | Tagged CentOS, homelab, Kickstart, PXE boot, syslinux, TFTP | 15 Comments

Disable Suspend Mode on Laptop Lid Close with Ansible and Systemd

Posted on 12/12/2020 by Lisenet

I have a CentOS 7 laptop where every time I close the lid, the system suspends. Continue reading →

Posted in Linux | Tagged Ansible, CentOS | Leave a comment

Install Kubernetes Cluster with Ansible

Posted on 21/11/2020 by Lisenet

We are going to install a Kubernetes control plane with two worker nodes using Ansible. Continue reading →

Posted in Linux | Tagged Ansible, Calico, Debian, Kubernetes | 3 Comments

Keycloak with Okta IDP Initiated SSO Login

Posted on 08/09/2020 by Lisenet

It is possible to set up an IDP Initiated Login for a client from an external IDP. Continue reading →

Posted in Linux | Tagged Keycloak, Okta, SAML, SSO | 16 Comments

Create a Keycloak Realm Using Admin REST API

Posted on 25/08/2020 by Lisenet

Keycloak provides a fully functional Admin REST API. Continue reading →

Posted in Linux | Tagged Keycloak, REST API | 4 Comments

Deploy Keycloak Using Docker Swarm

Posted on 24/08/2020 by Lisenet

We are going to deploy Keycloak using Docker Swarm. Continue reading →

Posted in Linux | Tagged CentOS, Docker, Docker Swarm, Keycloak | Leave a comment

Change the Default Docker Subnet with SystemD

Posted on 07/07/2020 by Lisenet

Docker uses the default 172.17.0.0/16 subnet for container networking. Continue reading →

Posted in Linux | Tagged CentOS, Docker, systemd | 2 Comments

Anthy Keyboard to Write in Hiragana and not Katakana

Posted on 15/05/2020 by Lisenet

I’ve been having difficulties configuring my laptop to use a Japanese keyboard. Continue reading →

Posted in Linux | Tagged anthy | 2 Comments

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