# Administration Published articles for Administration. This is one page of public article previews, not the complete archive. Follow Next page to continue. Summaries are not the original full articles. ## Switching to Slack DevFeed: [Switching to Slack]() Original publisher: [Read original article]() Author: Khan Academy Published: 2015-11-09T23:00:00Z Content type: article Language: en Sources: [Khan Academy]() Topics: [Slack](), [migration](), [notifications](), [systems](), [Documentation]() Tags: [administration](), [chat](), [connectivity](), [delivery](), [documentation](), [engineering](), [infrastructure](), [integration](), [migrate](), [news](), [notifications](), [organization](), [remote](), [slack](), [switching](), [team]() ### AI overview Khan Academy describes its decision to migrate team chat from HipChat to Slack after connectivity, message delivery, and notification problems affected reliability, especially for remote workers. The article outlines cultural, administrative, organizational, and integration-related costs that make chat-platform migration difficult. ### Source excerpt By Benjamin Pollack Khan Academy recently made the decision to migrate our team chat from HipChat to Slack. ... Read more ## Multiple LIR Accounts: Looking Back and Thinking Ahead DevFeed: [Multiple LIR Accounts: Looking Back and Thinking Ahead]() Original publisher: [Read original article]() Author: Marco Schmidt Published: 2026-08-12T12:47:22Z Content type: article Language: en Sources: [RIPE Labs]() Topics: [Internet](), [Networks](), [.NET 11]() Tags: [administration](), [article](), [complexity](), [ip](), [ipv4](), [networks](), [operational](), [policy]() ### AI overview The article examines how allowing RIPE NCC members to operate multiple Local Internet Registry (LIR) accounts evolved from a solution for limited organizational situations into a source of disproportionate operational complexity. It reviews the effects of IPv4 exhaustion, the last /8 policy, and the IPv4 transfer market, then explains the Internet Registry System and the rationale for simplifying the current model. ### Source excerpt Why a feature introduced for a handful of members became one of the RIPE NCC's most complex operational challenges. ## Mastering PostgreSQL Configuration Management with CloudNativePG (CNPG) DevFeed: [Mastering PostgreSQL Configuration Management with CloudNativePG (CNPG)]() Original publisher: [Read original article]() Author: Wellingtone Luvonga Published: 2026-08-04T05:00:38Z Content type: tutorial Language: en Sources: [CYBERTEC PostgreSQL | Services & Support]() Topics: [configuration](), [PostgreSQL](), [postgresql clusters](), [Kubernetes](), [GitOps](), [YAML](), [kubectl]() Tags: [administration](), [cloudnativepg](), [configuration](), [configuration-management](), [gitops](), [how-to](), [kubectl](), [kubernetes](), [postgresql](), [replication](), [yaml]() ### AI overview This tutorial explains how CloudNativePG manages PostgreSQL configuration in Kubernetes. It contrasts imperative editing of configuration files with declarative management through Kubernetes YAML and shows how to define database parameters and pg_hba.conf rules in a CNPG cluster resource. ### Source excerpt This blog talks about Configuration Management in PostgreSQL with CNPG, with some great examples in a comprehensive way. The post Mastering PostgreSQL Configuration Management with CloudNativePG (CNPG) appeared first on CYBERTEC PostgreSQL | Services & Support. ## MIT projects selected for funding under US Department of Energy's Genesis Mission DevFeed: [MIT projects selected for funding under US Department of Energy's Genesis Mission]() Original publisher: [Read original article]() Author: Office of the Vice President for Research Published: 2026-07-23T12:00:00Z Content type: news Language: en Sources: [MIT AI News]() Topics: [Artificial Intelligence](), [Supercomputing](), [systems]() Tags: [administration](), [ai](), [artificial-intelligence](), [center-for-computational-science-and-engineering](), [chemical-engineering](), [department-of-energy](), [department-of-energy-doe](), [doe](), [eaps](), [engineering](), [faculty](), [funding](), [genesis](), [genesis-mission](), [industry](), [initiative](), [laboratory-for-nuclear-science](), [manufacturing](), [mathematics](), [mechanical-engineering](), [mission](), [national-security](), [nuclear-science-and-engineering](), [physics](), [plasma-science-and-fusion-center](), [projects](), [quantum](), [quantum-computing](), [quantum-systems](), [research](), [research-laboratory-of-electronics](), [school-of-engineering](), [school-of-science](), [science](), [supercomputing](), [us]() ### AI overview MIT researchers will contribute to 15 collaborative projects selected for funding under Phase I of the U.S. Department of Energy's Genesis Mission. The projects apply AI, supercomputing, quantum systems, and scientific instruments to research areas including energy, materials, fusion, and national security. Funding remains pending completion of award negotiations. ### Source excerpt Initial research projects advance national priorities across natural resources, manufacturing, nuclear physics, and more. ## Mastering Linux Administration: 20 Powerful Commands to Know DevFeed: [Mastering Linux Administration: 20 Powerful Commands to Know]() Original publisher: [Read original article]() Author: Hayden James Published: 2026-07-06T03:56:38Z Content type: tutorial Language: en Sources: [Hayden James]() Topics: [Linux](), [Command-line interface](), [Monitoring](), [Filesystems](), [IO](), [cpu]() Tags: [administration](), [automated](), [backup](), [blog](), [command-line](), [commands](), [cpu](), [examples](), [files](), [https-linuxblog-io-tag-commands](), [io](), [linux](), [memory](), [monitoring](), [ncurses](), [sysadmins]() ### AI overview A tutorial introducing 20 Linux commands for system administrators, with examples and explanations of their uses. The supplied text specifically discusses vmstat for monitoring system and memory statistics, inotifywait for tracking filesystem events, and ncdu for analyzing disk usage. ### Source excerpt Linux is a powerful and versatile operating system that can be used for a wide range of purposes. For many system administrators, the command line interface is the primary way to interact with the system. Continue reading... ## One Postgres cluster, many apps DevFeed: [One Postgres cluster, many apps]() Original publisher: [Read original article]() Author: Simeon Griggs Published: 2026-06-25T00:00:00Z Content type: tutorial Language: en Sources: [Blog -- PlanetScale]() Topics: [postgresql clusters](), [Database](), [App](), [Authorization]() Tags: [administration](), [apps](), [complexity](), [database](), [databases](), [engineering](), [postgres](), [side-projects]() ### AI overview This tutorial explains how multiple small applications can share a single PlanetScale Postgres cluster through separate logical databases. It covers clusters, branches, logical databases, roles, permissions, and the tradeoff between shared infrastructure for side projects and dedicated clusters for applications that need to scale. ### Source excerpt Yo, I heard you liked databases, so we put logical databases in your database cluster so you can database while you database ## Jenkins Series DevFeed: [Jenkins Series]() Original publisher: [Read original article]() Author: baeldung Published: 2026-04-03T12:36:55Z Content type: tutorial Language: en Sources: [Baeldung - Ops]() Topics: [Jenkins](), [Automation](), [CI/CD](), [Groovy](), [Scripting](), [Server](), [Open Source]() Tags: [administration](), [automation](), [ci-cd](), [docker](), [jenkins](), [jenkins-series](), [open-source](), [scripting](), [series](), [server]() ### AI overview A tutorial series covering Jenkins pipelines, job management, administration, Groovy scripting, parameterized and parallel builds, and server maintenance across the CI/CD lifecycle. ### Source excerpt This tutorial provides an overview of Jenkins pipelines, job management, and administration. Related Stories Git Series Troubleshoot Docker Daemon Connection Issues in Jenkins Troubleshooting Jenkins 403 No Valid Crumb in Request Error ## What Is SELinux? DevFeed: [What Is SELinux?]() Original publisher: [Read original article]() Author: Zachary Bouhannana Published: 2025-06-09T04:53:08Z Content type: tutorial Language: en Sources: [Baeldung - Linux]() Topics: [SELinux](), [Linux](), [Security](), [Processes](), [Operating system]() Tags: [access-control](), [administration](), [administration-security-chmod-ls-selinux](), [chmod](), [linux](), [ls](), [processes](), [security](), [selinux](), [tutorial]() ### AI overview This tutorial explains SELinux, a security module built into the Linux kernel that adds mandatory access control beyond traditional Unix-style permissions. It describes how SELinux policies govern interactions between processes, users, and system resources, including limiting actions by root, and contrasts this model with discretionary access control. ### Source excerpt Learn what SELinux is, how it works, and the way it can provide better security when paired with the common discretionary access control. The post What Is SELinux? first appeared on Baeldung on Linux. Related Stories Sending a Password via SSH or SCP Using subprocess.Popen in Linux Resolving the Reverse Tunnel Remote port forwarding failed for listen port SSH Error How to Fix USB Sticks Mounted as Read-Only ## How to Fix USB Sticks Mounted as Read-Only DevFeed: [How to Fix USB Sticks Mounted as Read-Only]() Original publisher: [Read original article]() Author: Samuel Njuguna Karanja Published: 2025-06-06T07:56:19Z Content type: tutorial Language: en Sources: [Baeldung - Linux]() Topics: [USB](), [Linux](), [mount](), [Hardware]() Tags: [administration](), [administration-filesystems-hardware-mount-usb](), [errors](), [filesystem](), [filesystems](), [flash](), [hardware](), [how-to](), [linux](), [mount](), [storage](), [tutorial](), [usb]() ### AI overview This Linux tutorial explains why USB flash drives may be mounted as read-only, including filesystem errors, read-only mount options, physical write protection, and failing flash storage. It also introduces checking the current mount mode with the mount command. ### Source excerpt Learn how to identify and diagnose undesired USB flash drive read-only mounts. The post How to Fix USB Sticks Mounted as Read-Only first appeared on Baeldung on Linux. Related Stories SMB mount Security Modes and Fixing mount error(13): Permission denied in Linux What Is SELinux? Removing Log Files with a Cron Job in Linux ## Achieving Fine-Grained Admin Permissions with Keycloak 26.2 DevFeed: [Achieving Fine-Grained Admin Permissions with Keycloak 26.2]() Original publisher: [Read original article]() Author: Vlasta Ramik Published: 2025-05-14T00:00:00Z Content type: tutorial Language: en Sources: [Keycloak Blog]() Topics: [Keycloak](), [Authorization](), [Access Control](), [audit](), [Security](), [console]() Tags: [access-control](), [admin](), [administration](), [audit](), [authorization](), [console](), [idm](), [kerberos](), [keycloak](), [ldap](), [openid-connect](), [policies](), [saml](), [scopes](), [security](), [sso]() ### AI overview This article introduces Fine-Grained Admin Permissions V2 in Keycloak 26.2. It explains how FGAP V2 supports delegated administration and more granular management of users, clients, groups, and roles within a realm, with centralized permission management in the Admin Console. ### Source excerpt For years, Role-Based Access Control (RBAC) has been the cornerstone of authorization in many applications. Assigning users to roles provides a simple and effective way to manage access for common use cases. However, as applications become more complex and security requirements more demanding, RBAC alone often falls short. Keycloak is leveling up administrative access control with the release of Fine Grained Admin Permissions V2 a major step towards introducing delegated administration to Keycloak so that server administrators can assign management privileges to other users in a realm. By doing that, you should be able to reduce management costs and effort, and improve the overall efficiency and security of your deployments by authorizing access to specific resources in a realm. Why Fine-Grained Admin Permissions (FGAP) V2? In previous Keycloak versions, administrative access was largely driven by broad roles such as realm-admin or manage-users. While effective for simple setups, these roles often granted more access than necessary and lacked clarity around which actions they allowed. FGAP V2 introduces a cleaner, more deliberate permission model that enables: Granular access control over users, clients, groups, and roles Clear boundaries between operations--no more implicit permissions Easier management of the permissions and policies Better evaluation mechanism to allow authorization administrators audit the model ✨ Key Highlights 🧭 Centralized Permissions Management A new Permissions section in the Admin Console provides a single place to view and manage all fine-grained permissions for a realm. This simplifies navigation and makes it easier to design and audit your permission model. 🔍 Improved Manageability and Evaluation Permissions are now easier to discover, filter, and evaluate. You can inspect which scopes are assigned to which identities--making it more transparent and manageable to build tailored administrative roles. 🎯 Resource-Specific and Global Permissi ## New Pluralsight Course - Certified Kubernetes Administrator - Using kubeadm to Install a Basic Cluster DevFeed: [New Pluralsight Course - Certified Kubernetes Administrator - Using kubeadm to Install a Basic Cluster]() Original publisher: [Read original article]() Author: Anthony Nocentino Published: 2024-03-12T00:00:00Z Content type: release Language: en Sources: [Kubernetes on Anthony Nocentino's Blog]() Topics: [Kubernetes](), [Learning]() Tags: [administration](), [configuration](), [containers](), [course](), [fundamentals](), [installation](), [kubernetes](), [learning](), [pluralsight](), [training]() ### AI overview The article announces a new Pluralsight course in a refreshed Certified Kubernetes Administrator series. The course teaches learners how to install a basic Kubernetes cluster using kubeadm, including prerequisites, installation, and lab configuration. ### Source excerpt We're kicking off a major refresh of my Certified Kubernetes Administrator series at Pluralsight! The second course "Certified Kubernetes Administrator: Using kubeadm to Install a Basic Cluster" in the updated series is now available on Pluralsight here! If you want to learn about the course, check out the trailer here, or if you're going to dive right in, check it out here! This course will teach you the fundamentals needed to get using kubeadm to install a basic Kubernetes cluster! ## What is an SRE? Understanding the responsibilities of this crucial function DevFeed: [What is an SRE? Understanding the responsibilities of this crucial function]() Original publisher: [Read original article]() Author: incident.io Published: 2023-07-14T17:54:40Z Content type: article Language: en Sources: [The incident.io Blog]() Topics: [site-reliability-engineering](), [SRE](), [Software Engineering](), [systems](), [Google]() Tags: [administration](), [article](), [development](), [engineering](), [incident](), [incident-channel](), [incident-management](), [incident-response](), [operations](), [outage](), [performance](), [post-mortem](), [scalability](), [site-reliability](), [slack-incident](), [software](), [software-engineering](), [sre](), [systems]() ### AI overview This article explains site reliability engineering (SRE) as a discipline that combines software engineering and systems administration. It describes SRE's focus on reliability, scalability, and efficiency, along with responsibilities such as investigating performance issues, automating toil, and supporting engineering teams. It also introduces SLOs, SLAs, SLIs, and error budgets. ### Source excerpt Site reliability engineers are responsible for quite a bit, but one thing is clear--their role is critical. In this article, we break down everything you need to know about SREs and what they focus on. ## Vulnerable Jacuzzi SmartTub administration panels exposed customer data DevFeed: [Vulnerable Jacuzzi SmartTub administration panels exposed customer data]() Original publisher: [Read original article]() Author: Eaton Published: 2022-06-20T17:42:59Z Content type: article Language: en Sources: [Eaton Works Feed]() Topics: [Hacking](), [data](), [Network](), [Internet of things](), [Auth0](), [Android](), [iphone]() Tags: [administration](), [android](), [auth0](), [data](), [hacking](), [iot](), [iphone](), [network](), [server]() ### AI overview The article examines Jacuzzi SmartTub, an IoT system that connects hot tubs to a central server and mobile apps. It reports that two vulnerable administration panels exposed worldwide customer data across multiple brands. ### Source excerpt Two vulnerable Jacuzzi SmartTub administration panels exposed worldwide customer data for multiple brands. ## Updated Pluralsight Course - Configuring and Managing Kubernetes Storage and Scheduling DevFeed: [Updated Pluralsight Course - Configuring and Managing Kubernetes Storage and Scheduling]() Original publisher: [Read original article]() Author: Anthony Nocentino Published: 2022-01-11T00:00:00Z Content type: release Language: en Sources: [Kubernetes on Anthony Nocentino's Blog]() Topics: [Kubernetes](), [Pluralsight](), [configuration](), [data](), [Provisioning](), [selectors]() Tags: [administration](), [configuration](), [container](), [containers](), [course](), [data](), [deprecated](), [developer](), [kubernetes](), [learning](), [pluralsight](), [selectors](), [storage](), [training]() ### AI overview An updated Pluralsight course teaches Kubernetes storage, configuration, and Pod scheduling. It covers persistent storage, environment variables, Secrets, ConfigMaps, provisioning, scheduling controls, and updated techniques for tagging and pushing images with ctr. ### Source excerpt My updated course "Configuring and Managing Kubernetes Storage and Scheduling" is now available on Pluralsight here! If you want to learn about the course, check out the trailer here, or if you're going to dive right in, check it out here! This course teaches you how to decouple state and configuration from your Pod's lifecycle using persistent storage and configuration as data and how to schedule Pods to Nodes in your Kubernetes cluster. ## Updated Pluralsight Course - Managing Kubernetes Controllers and Deployments DevFeed: [Updated Pluralsight Course - Managing Kubernetes Controllers and Deployments]() Original publisher: [Read original article]() Author: Anthony Nocentino Published: 2021-09-14T00:00:00Z Content type: tutorial Language: en Sources: [Kubernetes on Anthony Nocentino's Blog]() Topics: [Kubernetes](), [Pluralsight]() Tags: [administration](), [commands](), [configuration](), [containers](), [controllers](), [deployment](), [kubernetes](), [pluralsight](), [rollback](), [scale](), [techniques](), [training]() ### AI overview An updated Pluralsight course teaches how to select, deploy, and maintain applications with Kubernetes Controllers. It covers Deployments, ReplicaSets, DaemonSets, CronJobs, and Jobs, including updating, rolling back, and scaling deployments. ### Source excerpt My updated course "Managing Kubernetes Controllers and Deployments" is now available on Pluralsight here! If you want to learn about the course, check out the trailer here or if you want to dive right in check it out here! Learn how to deploy and maintain applications using Kubernetes Controllers. In this course you'll learn how to select a Controller for your workload, deploy it, and maintain your container-based applications in your Kubernetes cluster. ## New Pluralsight Course - Configuring and Managing Kubernetes Security DevFeed: [New Pluralsight Course - Configuring and Managing Kubernetes Security]() Original publisher: [Read original article]() Author: Anthony Nocentino Published: 2020-08-24T18:48:13Z Content type: release Language: en Sources: [Kubernetes on Anthony Nocentino's Blog]() Topics: [Kubernetes](), [Security](), [Pluralsight](), [Learning](), [Cloud]() Tags: [administration](), [authentication](), [authorization](), [certificates](), [cloud](), [configuration](), [containers](), [how-to](), [kubernetes](), [kubernetes-security](), [linux](), [pluralsight](), [security]() ### AI overview The article announces a Pluralsight course on configuring and managing security in Kubernetes clusters. It describes training on authentication, authorization, certificates, kubeconfig files, and role-based access control for IT professionals, administrators, and developers. ### Source excerpt My new course "Configuring and Managing Kubernetes Security" is now available on Pluralsight here! Check out the trailer here or if you want to dive right in head over to Pluralsight! This course will teach you to configure and manage security in Kubernetes clusters. This course targets IT professionals that design and maintain Kubernetes and container-based solutions. The course can be used by both the IT pro learning new skills and the system administrator or developer preparing for using Kubernetes both on-premises and in the Cloud. ## New Pluralsight Course - Managing Kubernetes Controllers and Deployments DevFeed: [New Pluralsight Course - Managing Kubernetes Controllers and Deployments]() Original publisher: [Read original article]() Author: Anthony Nocentino Published: 2019-09-13T11:15:13Z Content type: release Language: en Sources: [Kubernetes on Anthony Nocentino's Blog]() Topics: [Kubernetes](), [Deployment](), [configuration](), [Cloud]() Tags: [administration](), [cloud](), [configuration](), [containers](), [deployment](), [kubernetes](), [linux](), [pluralsight]() ### AI overview The article announces a new Pluralsight course, "Managing Kubernetes Controllers and Deployments." It describes practical guidance for managing Kubernetes clusters and workloads, including controllers, Deployments, ReplicaSets, rollouts, readiness probes, pausing, and rollback. ### Source excerpt My new course **"Managing Kubernetes Controllers and Deployments"** in now available on Pluralsight here! Check out the trailer here or if you want to dive right in go here! This course offers practical tips from my experiences managing Kubernetes Clusters and workloads for Centino Systems clients. This course targets IT professionals that design and maintain Kubernetes and container based solutions.The course can be used by both the IT pro learning new skills and the system administrator or developer preparing for using Kubernetes both on premises and in the Cloud. Let's take your Kubernetes administration and configuration skills to the next level and get you started now! The modules of the course are:
  • **Using Controllers to Deploy Applications and Deployment Basics** - In this module we dive into what Controllers are and how they can be used to deploy applications in Kubernetes. We'll introduce several core controller types and look at the fundamentals of using the `Deployment` Controller to deploy applications and take a deep dive into the Controller operations of `ReplicaSets`.
  • **Maintaining Applications with Deployments** - In this demo-heavy module, we look closer at `Deployments` and learn how we can maintain our container based applications. We look at updating Deployments, controlling rollouts and using `u``pdateStrategy` and `readinessProbes` to ensure successful rollouts. We'll also cover what to do when things go wrong and learn how to pause and rollback rollouts.
  • ## New Pluralsight Course - Kubernetes Installation and Configuration Fundamentals DevFeed: [New Pluralsight Course - Kubernetes Installation and Configuration Fundamentals]() Original publisher: [Read original article]() Author: Anthony Nocentino Published: 2019-01-12T12:30:21Z Content type: release Language: en Sources: [Kubernetes on Anthony Nocentino's Blog]() Topics: [Kubernetes](), [Pluralsight](), [configuration](), [Learning]() Tags: [administration](), [architecture](), [cloud](), [configuration](), [controllers](), [course](), [installation](), [kubernetes](), [kubernetes-clusters](), [kubernetes-services](), [learning](), [linux](), [pluralsight](), [training]() ### AI overview Anthony Nocentino announces the availability of his Pluralsight course, "Kubernetes Installation and Configuration Fundamentals." The course covers Kubernetes architecture, cluster installation and configuration, and managed Kubernetes services in the cloud. ### Source excerpt New Pluralsight Course - Kubernetes Installation and Configuration Fundamentals My new course **"Kubernetes Installation and Configuration Fundamentals"** in now available on Pluralsight here! If you want to learn about the course, check out the trailer here or if you want to dive right in check it out here! This course offers practical tips from my experiences building Kubernetes Clusters for Centino Systems clients. This course targets IT professionals that design and maintain Kubernetes and container based solutions.The course can be used by both the IT pro learning new skills and the system administrator or developer preparing for using Kubernetes both on premises and in the Cloud. Let's take your Kubernetes administration and configuration skills to the next level and get you started now! The modules of the course are:
    • **Exploring the Kubernetes Architecture** - In this module we introduce Kubernetes, deep dive into each component and its responsibility in a cluster. We also look at higher level abstractions such as Services, Controllers, and Deployments and how they can be used to ensure the desired state of an application deployed in Kubernetes
    • **Installing and Configuring Kubernetes** - In this module, we learn several ways to install a Kubernetes cluster. We start off simple with an installation using `kubeadm`. Then we head off to the Cloud, we look at the current state of the cloud managed Kubernetes services and installation methods for each of the maj ## Seeking Real-Life Data Sets for Teaching System Administration DevFeed: [Seeking Real-Life Data Sets for Teaching System Administration]() Original publisher: [Read original article]() Published: 2013-02-18T15:24:37Z Content type: opinion Language: en Sources: [Signs of Triviality]() Topics: [datasets](), [data]() Tags: [administration](), [data]() ### AI overview The author is seeking real-life data sets for use in teaching system administration. ### Source excerpt I'm in search of real -life data sets to use in teaching system administration. ## Plugin Driven Development- Developing JIRA's new Project Configuration pages DevFeed: [Plugin Driven Development- Developing JIRA's new Project Configuration pages]() Original publisher: [Read original article]() Author: Min'an Tan Published: 2011-09-01T23:26:19Z Content type: article Language: en Sources: [Atlassian Developer Blog]() Topics: [jira](), [configuration](), [Development]() Tags: [administration](), [agile](), [configuration](), [developer-relations](), [developing](), [development](), [jira](), [pages](), [plugins](), [project]() ### AI overview The article discusses customer-reported complexity in configuring JIRA projects, particularly the many controls in its administration screens, in the context of developing new Project Configuration pages through plugins. ### Source excerpt One of the biggest pain points we hear from customers is how complex configuring projects in JIRA is. There are so many buttons and dials available to push in the administration screens...