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 […]
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 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 Install Java and Configure JAVA_HOME on RHEL 7 Java remains one of the most widely deployed application runtimes in enterprise environments, and RHEL 7 provides excellent support for running OpenJDK through its official repositories. Whether you are deploying a Spring Boot application, running Apache Tomcat, building microservices, or working with big data frameworks […]
How to Install Rust and Compile System Tools on RHEL 7 Rust is a systems programming language that offers memory safety without a garbage collector, making it an ideal choice for building high-performance command-line utilities, daemons, and system-level tools. On RHEL 7, the system compiler and C runtime are older, but Rust’s installer rustup sidesteps […]
How to Install and Use Podman Pods on RHEL 7 Podman is a daemonless, rootless-capable container engine that ships with modern versions of RHEL and is available via EPEL on RHEL 7. One of Podman’s most powerful features is pods — a concept borrowed directly from Kubernetes. A pod is a group of one or […]
How to Install and Configure FreeIPA on RHEL 7 FreeIPA is an integrated identity and authentication solution that combines LDAP (via 389 Directory Server), Kerberos, DNS, a certificate authority (Dogtag PKI), and a web-based management interface into a single coherent platform. It is Red Hat’s upstream open-source project that underpins Red Hat Identity Management (IdM), […]
How to Configure Huge Pages for Database Performance on RHEL 7 Database engines — particularly Oracle, PostgreSQL, and MySQL/InnoDB — allocate and manage large memory pools for their buffer caches and shared memory segments. By default, the Linux kernel manages memory in 4 KB pages, which means that a 32 GB database buffer pool requires […]
How to Set Up ZFS on RHEL 7 ZFS (Zettabyte File System) originated at Sun Microsystems and is widely regarded as the most feature-rich and reliable open-source file system available. It combines volume management, RAID, checksumming, copy-on-write snapshots, deduplication, and transparent compression into a single unified stack. The ZFS on Linux (ZoL) project brings these […]
How to Use Bacula for Enterprise Backup on RHEL 7 Bacula is a mature, open-source enterprise backup solution that supports tape libraries, disk-based storage pools, network backup of multiple clients, and flexible scheduling of full, differential, and incremental jobs. Unlike simpler backup tools, Bacula operates as a distributed system with distinct daemons: the Director orchestrates […]
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