Storage Disk

How to Profile Application Performance with perf on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Profile Application Performance with perf on RHEL 7

How to Profile Application Performance with perf on RHEL 7 Performance bottlenecks in production applications are notoriously difficult to diagnose using traditional monitoring tools alone. CPU usage metrics tell you that a system is busy but rarely tell you where the work is happening inside your application. The perf subsystem, built directly into the Linux […]

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How to Configure OSPF with FRRouting on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Configure OSPF with FRRouting on FreeBSD 12

Introduction This guide explains how to Configure OSPF with FRRouting on FreeBSD 12 on FreeBSD 12. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained […]

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How to Set Up Varnish Cache on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up Varnish Cache on Oracle Linux 8

Introduction Setting up set up varnish cache on oracle linux 8 on a Oracle Linux 8 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Set Up Varnish Cache on Oracle Linux 8, with all the commands you need, the SELinux and firewalld considerations to […]

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How to Set Up DNS Server with BIND on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Set Up DNS Server with BIND on IBM AIX 7.1

Introduction IBM AIX 7.1 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to set up dns server with bind on ibm aix […]

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How to Configure SR-IOV on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure SR-IOV on Windows Server 2016

How to Set Up Windows Server 2016 SR-IOV Single Root I/O Virtualization (SR-IOV) is a PCI Express (PCIe) specification that allows a single physical network adapter to appear as multiple separate virtual network adapters in a virtualized environment. Each virtual function (VF) can be assigned directly to a virtual machine, bypassing the Hyper-V virtual switch […]

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How to Configure SMB Multichannel on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure SMB Multichannel on Windows Server 2016

How to Set Up Windows Server 2016 SMB Multichannel SMB Multichannel is a feature of the Server Message Block protocol that enables SMB to use multiple network connections simultaneously when multiple network paths exist between a client and a server. It provides automatic aggregation of network bandwidth across multiple interfaces, network fault tolerance when one […]

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How to Install SAP NetWeaver on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Install SAP NetWeaver on IBM AIX 7.1

Introduction IBM AIX 7.1 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to install sap netweaver on ibm aix 7.1 on IBM […]

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How to Install cAdvisor for Container Monitoring on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install cAdvisor for Container Monitoring on FreeBSD 12

Introduction How to Install cAdvisor for Container Monitoring on FreeBSD 12 is a core administration task for any FreeBSD 12 server operator. FreeBSD 12 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for […]

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How to Set Up a Certificate Authority with OpenSSL on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Set Up a Certificate Authority with OpenSSL on FreeBSD 12

Introduction How to Set Up a Certificate Authority with OpenSSL on FreeBSD 12 is a core administration task for any FreeBSD 12 server operator. FreeBSD 12 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, […]

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How to Configure SSL/TLS with OpenSSL on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure SSL/TLS with OpenSSL on Oracle Linux 8

Introduction Setting up configure ssl/tls with openssl on oracle linux 8 on a Oracle Linux 8 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure SSL/TLS with OpenSSL on Oracle Linux 8, with all the commands you need, the SELinux and firewalld considerations to […]

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