Хостинг сайта с использованием Cloudflare и Nginx в Ubuntu 20.04
Автор выбрал фонд Electronic Frontier Foundation для получения пожертвований в рамках программы Write for DOnations. Cloudflare — это…
Ubuntu 20.04 disk space full due to logs and cache
🟡 Medium ⏱ 5–30 min Last verified: 8 November 2021 📖 ~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 ModSecurity WAF with Apache2 on Debian 9
Introduction This guide explains how to Configure ModSecurity WAF with Apache2 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 Install OpenVPN on FreeBSD 13
Introduction This guide explains how to Install OpenVPN on FreeBSD 13 on FreeBSD 13. 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 privilege separation. […]
RHEL 8 Podman Image Pull Fails with x509 Unknown Authority
🟡 Medium ⏱ 5–30 min Last verified: 7 November 2021 📖 ~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 Remote Desktop Web Access on Windows Server 2016
How to Set Up Windows Server 2016 Remote Desktop Web Access Remote Desktop Web Access (RD Web Access) is a role service in Windows Server 2016 Remote Desktop Services that provides a web-based portal for users to access RemoteApp programs, session-based desktops, and virtual desktops from any device with a web browser. Instead of distributing […]
How to Set Up a Git Server with Gitea on FreeBSD 13
Introduction Deploying set up a git server with gitea on freebsd 13 on a FreeBSD 13 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 […]
Ubuntu 14.04 LTS – filesystem remounts read-only after I/O errors – Fix & Prevention
🟠 High ⏱ 5–30 min Last verified: 5 November 2021 Affected versions: Ubuntu 14.04 LTS 📖 ~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 […]
Ubuntu 20.04 LTS – initramfs drops to BusyBox with UUID not found – Fix & Prevention
🔴 Critical ⏱ 5–30 min Last verified: 5 November 2021 Affected versions: Ubuntu 20.04 LTS 📖 ~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 […]
How to Use Windows PowerShell for Server Inventory on Windows Server 2012 R2
How to Build PowerShell Script Modules on Windows Server 2012 R2 PowerShell script modules are the standard packaging mechanism for distributing reusable functions, workflows, and cmdlets within an organization. A script module is simply a .psm1 file — a PowerShell script that defines functions and controls which of them are exported for use by consumers […]
