How to Install and Configure k3s Lightweight Kubernetes on Debian 10

March 1, 2020
Linux
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Introduction Deploying install and configure k3s lightweight kubernetes on debian 10 on a Debian 10 Buster machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites […]

How to Set Up Docker Multi-Stage Builds on Debian 9

February 29, 2020
Linux
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Introduction This guide explains how to Set Up Docker Multi-Stage Builds on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 install with […]

How to Set Up Unbound DNS Resolver on Debian 10

February 29, 2020
Linux
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Introduction Deploying set up unbound dns resolver on debian 10 on a Debian 10 Buster machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before […]

RHEL 8 – chronyd Unsynchronized Time Causes Authentication Failures

February 29, 2020
Linux
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🟡 Medium ⏱ 5–30 min Last verified: 29 February 2020 📖 ~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 Errors & Cross-Refs References & Further […]

How to Configure XFS File System on Debian 10

February 28, 2020
Linux
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Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up configure xfs file system on debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow each step carefully and […]

How to Set Up PostgreSQL Streaming Replication on RHEL 8

February 28, 2020
Linux
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PostgreSQL streaming replication continuously ships Write-Ahead Log (WAL) records from a primary server to one or more standby replicas in near real time. The standby can serve as a warm failover target or, in hot-standby mode, accept read-only queries to offload reporting traffic from the primary. This tutorial configures a two-node streaming replication setup on […]

How to Install VictoriaMetrics on FreeBSD 12

February 27, 2020
FreeBSD
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Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install victoriametrics on freebsd 12 on FreeBSD 12 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux distribution. This […]

How to Configure Database Backups with Automysqlbackup on Debian 10

February 27, 2020
Linux
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Introduction This guide explains how to Configure Database Backups with Automysqlbackup on Debian 10 on Debian 10 Buster. Debian Buster uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 10 install with […]

How to Set Up Active Directory Certificate Auto-Enrollment on Windows Server 2019

February 27, 2020
Tutorials
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Introduction to Certificate Auto-Enrollment Manual certificate distribution in a large Active Directory environment is impractical and error-prone. Certificate auto-enrollment automates the process of requesting, issuing, and renewing certificates for users and computers based on Group Policy. When configured, domain members automatically receive certificates from your internal Certificate Authority (CA) without any user interaction. This is […]

Windows Server 2019 — Uneven traffic distribution across NLB nodes due to NIC offload inconsistency — Fix & Prevention

February 26, 2020
Tutorials
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🟡 Medium ⏱ 5–30 min Last verified: 26 February 2020 Affected versions: Windows Server 2019 📖 ~2 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 Errors […]

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How to Install and Configure k3s Lightweight Kubernetes on Debian 10

How to Set Up Docker Multi-Stage Builds on Debian 9

How to Set Up Unbound DNS Resolver on Debian 10

RHEL 8 – chronyd Unsynchronized Time Causes Authentication Failures

How to Configure XFS File System on Debian 10

How to Set Up PostgreSQL Streaming Replication on RHEL 8

How to Install VictoriaMetrics on FreeBSD 12

How to Configure Database Backups with Automysqlbackup on Debian 10

How to Set Up Active Directory Certificate Auto-Enrollment on Windows Server 2019

Windows Server 2019 — Uneven traffic distribution across NLB nodes due to NIC offload inconsistency — Fix & Prevention

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