ADMIN magazine #79 - Digital Issue

Dashy
Create your own command center in small infrastructures or test environments with flexible dashboards that control and monitor relevant applications and services.

LibreNMS
Check out this monitoring environment with auto-discovery, alerting, the ability to scale even in very large environments with many devices, and flexible dashboards and widgets for special views.

Tier 0 Monitoring
We show you how monitoring your sensitive IT systems can be a more secure experience.

Graphite
This open source tool offers real-time monitoring with comprehensive and fast data collection from virtually any system.

AlmaLinux OS
The AlmaLinux Build System lets you build, test, sign, and release packages from a single interface.

Authelia
Add access controls to web applications that do not have their own user administration.

iRedMail
Deploy this full-featured email server on a number of platforms in a matter of minutes.

ScaleFlux
See performance gains of 50 percent and more with computing power built directly into the network card.

DIY Docker Images
When facing the challenge of packaging your application in a container, take into account your needs in terms of handling and security and investigate sensible options for hosting your own registry.

Kubernetes Backups
Stateful applications that store their information in a container's persistent volume can be backed up in a variety of ways.

Local Azure Arc
Manage your on-premises servers with Windows Admin Center in Azure.

OSSEC
Detect and fix security problems in real time at the operating system level with functions such as log analysis, file integrity checks, Windows registry monitoring, and rootkit detection.

Restoring Hybrid Identities
We look into contingency measures for hybrid directory services with Entra ID, the Graph API, and its PowerShell implementation.

Ralph Asset Management
Keep things simple, without compromising flexibility, when managing data centers with this open source asset management system and configuration database.

GitOps
Applying DevOps practices through infrastructure automation of version control repositories is a popular approach to synchronizing system changes, both in and outside the context of Kubernetes.

BGP Routing Protocol
We look at the Border Gateway Protocol, how it routes packets through the Internet, its weaknesses, and some hardening strategies.

DDos Defense
Targeted attacks cannot be prevented, but they can be effectively mitigated.

Terminating OpenSSH
Disconnect OpenSSH user sessions after a certain period of inactivity with the systemd-logind service.

Performance Dojo
Exploring low-cost parallel computing.