Firewall

How to Set Up Windows Server Cluster-Aware Updating (CAU) on Windows Server 2019

• April 7, 2026
• Tutorials
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Introduction to Cluster-Aware Updating Cluster-Aware Updating (CAU) is a Windows Server 2019 feature that automates the process of applying software updates to nodes in a Windows Server Failover Cluster while maintaining high availability. CAU orchestrates the drain-update-reboot-resume cycle for each cluster node sequentially, ensuring that the cluster remains available for workloads throughout the update process. […]

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How to Install MongoDB on CentOS Stream 10

• April 7, 2026
• CentOS
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Introduction CentOS Stream 10 ships with a stable, security-hardened base that makes deploying install mongodb on centos stream 10 both straightforward and auditable. This tutorial covers the complete procedure for how to Install MongoDB on CentOS Stream 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]

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How to Configure pgBouncer on CentOS Stream 10

• April 7, 2026
• CentOS
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Introduction Setting up configure pgbouncer on centos stream 10 on a CentOS Stream 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure pgBouncer on CentOS Stream 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]

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How to Set Up MySQL with SSL on CentOS Stream 10

• April 7, 2026
• CentOS
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Introduction How to Set Up MySQL with SSL on CentOS Stream 10 on CentOS Stream 10 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting […]

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How to Configure Cross-Forest Trusts in Active Directory on Windows Server 2019

• April 7, 2026
• Tutorials
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Introduction to Cross-Forest Active Directory Trusts An Active Directory forest represents a security boundary. A Cross-Forest Trust is a two-way or one-way trust relationship between two separate AD forests that allows users in one forest to authenticate to resources in another. This is commonly needed after mergers and acquisitions, for inter-company collaboration, or when separate […]

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How to Secure PostgreSQL on CentOS Stream 10

• April 7, 2026
• CentOS
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Introduction This tutorial demonstrates how to Secure PostgreSQL on CentOS Stream 10 on CentOS Stream 10. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered CentOS Stream 10 system with the default AppStream […]

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How to Secure MySQL on CentOS Stream 10

• April 7, 2026
• CentOS
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Introduction Setting up secure mysql on centos stream 10 on a CentOS Stream 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Secure MySQL on CentOS Stream 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]

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How to Configure PostgreSQL Replication on CentOS Stream 10

• April 7, 2026
• CentOS
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Introduction This tutorial demonstrates how to Configure PostgreSQL Replication on CentOS Stream 10 on CentOS Stream 10. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered CentOS Stream 10 system with the default […]

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How to Build Custom Windows Server 2019 Images with Packer

• April 7, 2026
• Tutorials
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Introduction to Packer for Windows Server Image Building HashiCorp Packer is a tool that automates the creation of machine images from a single configuration file. For Windows Server 2019, Packer can build Hyper-V VHDs, VMware VMDK templates, AWS AMIs, Azure managed images, or VirtualBox OVAs—all from the same template definition. Custom Windows Server 2019 images […]

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How to Configure MySQL Replication on CentOS Stream 10

• April 7, 2026
• CentOS
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Introduction How to Configure MySQL Replication on CentOS Stream 10 on CentOS Stream 10 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is […]

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