How to Add and Remove Windows Server Roles and Features with PowerShell Windows Server 2025 ships as a minimal platform and relies on you to install only the roles and features your workload requires. This principle of minimal footprint reduces the attack surface, lowers memory consumption, and keeps the server easier to maintain. While Server […]
Initial Configuration of Windows Server 2025 After Installation Completing a fresh installation of Windows Server 2025 is only the first step. Before you can safely place a server into production, a series of critical configuration tasks must be completed: setting a meaningful hostname, assigning a static IP address, enabling remote access, hardening the firewall, synchronising […]
How to Set Up a Complete DevSecOps Pipeline on RHEL 7 DevSecOps integrates security testing directly into every phase of the software delivery lifecycle rather than treating it as a final gate before production. The goal is to detect vulnerabilities, exposed secrets, and misconfigurations early — when they are cheap to fix — and to […]
How to Install and Configure Envoy Proxy on RHEL 7 Envoy Proxy has become a cornerstone of modern service mesh architectures, used as the data plane in Istio, the sidecar in Consul Connect, and the edge proxy behind many large-scale APIs. Written in C++ and designed for cloud-native workloads, Envoy provides L4/L7 load balancing, health […]
How to Configure SNMP with net-snmp on RHEL 7 Simple Network Management Protocol (SNMP) is the industry standard for monitoring network devices, servers, and applications. Whether you use Nagios, Zabbix, Cacti, LibreNMS, or a commercial NMS, SNMP is the universal query language they all speak. RHEL 7 ships the mature net-snmp suite, which includes the […]
How to Set Up a PXE Boot Server on RHEL 7 Provisioning bare-metal servers or virtual machines one by one from USB media does not scale. A PXE (Preboot Execution Environment) boot server lets a machine boot directly from the network, pull a kernel and RAM disk from a TFTP server, and optionally complete an […]
How to Configure Chrony as a Time Server on RHEL 7 Accurate system time is foundational to almost every enterprise workload. Kerberos authentication, TLS certificate validation, log correlation, and database replication all depend on clocks that stay in sync. While ntpd has served Linux administrators for decades, Red Hat Enterprise Linux 7 ships Chrony as […]
How to Install and Use Podman with systemd Socket Activation on RHEL 7 Podman is a daemonless container engine developed by Red Hat that provides a Docker-compatible CLI while operating without a central privileged daemon. On RHEL 7, Podman integrates deeply with systemd, enabling containers to be managed as first-class system services, started on-demand via […]
How to Deploy a .NET Application on RHEL 7 Microsoft’s .NET (formerly .NET Core) is a cross-platform, open-source runtime that runs on Linux, including Red Hat Enterprise Linux 7. With Microsoft publishing an official yum repository for RHEL, installing .NET SDK and deploying web applications is straightforward and fully supported. In this tutorial, you will […]
How to Set Up a Load-Balanced PostgreSQL Cluster with Patroni on RHEL 7 Running a single PostgreSQL instance is a liability in any production environment — it is a single point of failure that, when it goes down, takes your entire application with it. Patroni is an open-source, Python-based high-availability solution for PostgreSQL that uses […]
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