Networking

How to Configure Gitea Self-Hosted Git Service on Debian 11

• October 21, 2022
• Linux
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Introduction Deploying configure gitea self-hosted git service on debian 11 on a Debian 11 Bullseye 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 You […]

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How to Use NIS+ on IBM AIX 7.3

• October 20, 2022
• IBM AIX
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Introduction IBM AIX 7.3 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 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use nis+ on IBM AIX 7.3 with practical examples […]

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How to Configure Nginx as a TCP/UDP Load Balancer on FreeBSD 12

• October 20, 2022
• FreeBSD
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Introduction This guide explains how to Configure Nginx as a TCP/UDP Load Balancer 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 […]

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How to Install and Use Podman with Buildah on RHEL 9

• October 19, 2022
• Linux
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Buildah is a daemonless, rootless command-line tool for building OCI-compliant container images — without requiring a running Docker daemon or root privileges. On RHEL 9, Buildah ships as a first-class tool alongside Podman, and the two integrate tightly: images built with Buildah appear immediately in Podman’s local image store. Buildah’s fine-grained API lets you build […]

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How to Install and Configure Fail2ban on Debian 11

• October 19, 2022
• Linux
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Introduction This guide explains how to Install and Configure Fail2ban on Debian 11 on Debian 11 Bullseye. Debian Bullseye 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 11 install with the […]

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Windows Server 2016 – Storport queue depth saturation causes application timeouts – Fix and Prevention

• October 18, 2022
• Tutorials
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🟠 High   ⏱ 5–30 min  Last verified: 18 October 2022 Affected versions: Windows Server 2016 📖 ~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 […]

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Windows Server 2022 — SQL Server tempdb growth fills system volume — Fix & Prevention

• October 18, 2022
• Tutorials
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🟠 High   ⏱ 5–30 min  Last verified: 18 October 2022 Affected versions: Windows Server 2022 📖 ~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 […]

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How to Install Caddy Web Server on FreeBSD 12

• October 18, 2022
• FreeBSD
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Introduction Deploying install caddy web server on freebsd 12 on a FreeBSD 12 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard […]

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How To Configure BIND as a Private Network DNS Server on Ubuntu 16.04

• October 18, 2022
• Linux
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An important part of managing server configuration and infrastructure includes maintaining an easy way to look up network interfaces and IP addresses by name, by setting up a proper Domain Name System (DNS). Using fully qualified domain names (FQDNs), instead of IP addresses,…

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How to Install Gradle Build Tool on Debian 11

• October 18, 2022
• Linux
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Introduction How to Install Gradle Build Tool on Debian 11 is a fundamental operation for any administrator maintaining a Debian 11 Bullseye server. Debian 11 Bullseye ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 11. […]

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