Database

Tomcat DataSource JNDI Example in Java — step-by-step Programming tutorial on Progressive Robot

Tomcat DataSource JNDI Example in Java

URL: https://www.progressiverobot.com/tomcat-datasource-jndi-example-java/ Welcome to Tomcat DataSource JNDI Example Tutorial. We looked at the [JDBC DataSource](/community/tutorials/java-datasource-jdbc-datasource-example "JDBC DataSource Example – Oracle, MySQL and Apache DBCP Tutorial") in the last tutorial and learned how to use that in standalone java application. Tomcat DataSource JNDI ![tomcat datasource, jndi example, tomcat jndi, jndi tutorial](images/tomcat-datasource-jndi-example-java-section-1.png) Actual benefit of DataSource comes […]

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Common Problems 113607

Windows Server 2012 R2 — WSUS Synchronization Stalls and New Security Updates Never Appear — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 4 December 2020 Affected versions: Windows Server 2012 R2 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution — Primary Fix Solution — Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related […]

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How to Configure Server Manager on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure Server Manager on Windows Server 2012 R2

How to Configure Server Manager on Windows Server 2012 R2 Server Manager is the primary management console introduced in Windows Server 2008 and significantly enhanced in Windows Server 2012 R2 to support multi-server management from a single pane of glass. On Windows Server 2012 R2, Server Manager provides a unified dashboard for installing and managing […]

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How to Install MariaDB on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install MariaDB on RHEL 7

How to Install MariaDB on RHEL 7 MariaDB is a community-developed, fully open-source relational database management system that serves as the default MySQL-compatible database engine on Red Hat Enterprise Linux 7. Maintained by the original developers of MySQL, MariaDB offers full SQL compliance, excellent performance, and a rich set of storage engines. Because RHEL 7 […]

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How to Install MongoDB on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Install MongoDB on SLES 15

Introduction This tutorial covers How to Install MongoDB on SLES 15 on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 15 system is up to date: zypper refresh && […]

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How to Set Up a Load-Balanced PostgreSQL Cluster with Patroni on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Set Up a Load-Balanced PostgreSQL Cluster with Patroni on RHEL 7

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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How to Install Nginx via AIX Toolbox on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Install Nginx via AIX Toolbox on IBM AIX 7.2

Introduction IBM AIX 7.2 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 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to install nginx via aix toolbox on ibm aix 7.2 […]

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How to Set Up StrongSwan IKEv2 VPN on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Set Up StrongSwan IKEv2 VPN 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 strongswan ikev2 vpn on ibm aix 7.1 […]

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How to Set Up Windows Server 2019 SR-IOV — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Windows Server 2019 SR-IOV

How to Set Up Windows Server 2019 SR-IOV Single Root I/O Virtualization (SR-IOV) is a PCI-SIG specification that allows a single physical PCIe network adapter to present multiple virtual functions (VFs) directly to virtual machines, bypassing the Hyper-V virtual switch and the software network stack. This provides near-native network performance in VMs with ultra-low latency […]

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How to Use mkitab and lsitab to Manage inittab on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Use mkitab and lsitab to Manage inittab on IBM AIX 7.2

Introduction IBM AIX 7.2 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 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use mkitab and lsitab to manage inittab on ibm […]

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