4 Systems & infrastructure
Every entry filed under Systems & infrastructure and its subtopics.
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Works on
What do these mean?
- Beginner
- You are new to this topic.
- Intermediate
- You use it, and want to get better.
- Advanced
- You know it well and need the details.
- Guided project
- Build something small from start to finish, step by step.
- Explains an idea
- Plain words on how something works and why.
- Step by step
- Numbered steps to get one task done.
- Cheat sheet
- Commands and options in a table, to look up fast.
- Fixes an error
- An error message, what it means, and how to solve it.
55 entries
- 0179 systemd: the Linux system and service manager The source of systemd, the init system and service manager on most Linux distributions, together with journald, networkd, resolved, timers and the… Linux Repo Services & systemd 15 Oct 2026
- 0180 firewalld: zone-based firewall daemon Upstream source of firewalld, the default firewall manager on RHEL, Rocky Linux, AlmaLinux and Fedora, including firewall-cmd and its service definitions. Linux Repo Networking & firewalls 15 Oct 2026
- 0194 Ansible: agentless IT automation The source repository of ansible-core, the engine behind Ansible playbooks, ad-hoc commands and the ansible-galaxy and ansible-vault tools. Linux, macOS Repo Ansible 15 Oct 2026
- 0195 OpenTofu: open-source infrastructure as code OpenTofu is the community fork of Terraform under the MPL-2.0 license, run as a Linux Foundation project. It uses the same configuration… Any system Repo Terraform 15 Oct 2026
- 0196 Prometheus: monitoring system and time series database The main Prometheus server: it scrapes metrics over HTTP, stores them as time series, answers PromQL queries and evaluates alerting rules. Linux Repo Prometheus & Grafana 15 Oct 2026
- 0197 Grafana: dashboards, visualization and alerting Grafana is the open-source web application for querying, visualizing and alerting on data from Prometheus, Loki, SQL databases and many other data… Linux Repo Prometheus & Grafana 15 Oct 2026
- 0146 kubernetes/kubernetes The main source repository of Kubernetes: the API server, scheduler, controller manager, kubelet, kube-proxy and kubectl, plus release notes and issue tracking. Linux Repo Concepts 15 Oct 2026
- 0147 helm/helm The Helm package manager for Kubernetes: the helm CLI and Go SDK for installing, upgrading and rolling back charts. Any system Repo Helm 15 Oct 2026
- 0148 derailed/k9s K9s is a terminal UI for Kubernetes that lets you browse resources, read logs, open shells and follow cluster changes from the… Any system Repo Troubleshooting 15 Oct 2026
- 0162 okd-project/okd: the OKD community distribution Home of OKD, the community distribution of Kubernetes that powers Red Hat OpenShift. Releases of the installer and client, issue tracking and… Linux Repo Concepts 15 Oct 2026
- 0163 openshift/oc: the OpenShift command line client Source code of oc, the OpenShift CLI. It is built on top of kubectl, so it can do everything kubectl does, and… Any system Repo Cluster administration · Deploying applications 15 Oct 2026
- 0113 proxmox/pve-manager: Proxmox VE API and web UI Read-only GitHub mirror of pve-manager, which provides the Proxmox VE web interface, much of the REST API, core daemons and tools such… Linux Repo Installation & first steps 15 Oct 2026
- 0114 proxmox/qemu-server: the Proxmox VE virtual machine manager Read-only GitHub mirror of qemu-server, the Proxmox VE package that manages QEMU/KVM virtual machines and provides the qm and qmrestore commands. Linux Repo Basics · VMs & containers 15 Oct 2026
- 0129 libvirt: virtualization API and daemon (GitHub mirror) libvirt is the toolkit that manages KVM/QEMU and other hypervisors through one API, plus the virsh client. The GitHub repository is a… Linux Repo Basics 15 Oct 2026
- 0130 OCI CLI: Oracle Cloud Infrastructure command-line interface Oracle's open-source command-line tool for Oracle Cloud Infrastructure. Private Cloud Appliance 3.x uses the same CLI for its OCI-compatible Compute Enclave. Any system Repo Compute, networking & storage 15 Oct 2026