🟡 Medium ⏱ 5–30 min Last verified: 20 September 2019 Affected versions: 14.04 📖 ~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 […]
Introduction Deploying set up chef infra client on debian 9 on a Debian 9 Stretch 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 Ensure […]
The Linux Audit Framework, managed by the auditd daemon, provides a comprehensive kernel-level mechanism for tracking security-relevant events on RHEL 7. Unlike application-level logging, the audit subsystem operates below the application layer, meaning that even a compromised process cannot suppress its own audit trail without also compromising the kernel. Properly configured, auditd records file access, […]
Introduction How to Set Up FTP Server with vsftpd on FreeBSD 12 is a core administration task for any FreeBSD 12 server operator. FreeBSD 12 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf […]
Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up configure cadvisor container metrics on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each step carefully and […]
🟠 High ⏱ 5–30 min Last verified: 18 September 2019 Affected versions: 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 & […]
Introduction Deploying install packer image builder on debian 9 on a Debian 9 Stretch 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 will […]
🟠 High ⏱ 5–30 min Last verified: 18 September 2019 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 […]
How to Configure Windows Server 2016 Tenant Virtual Networks Tenant virtual networks in Windows Server 2016 are software-defined network constructs managed by the SDN Network Controller. They provide isolated, routable network environments for individual tenants or business units, enabling multiple parties to share the same physical infrastructure without interference. Each tenant virtual network has its […]
How to Configure SNMP with net-snmp on RHEL 7 Simple Network Management Protocol (SNMP) is the industry standard for monitoring network devices, servers, and applications. Whether you use Nagios, Zabbix, Cacti, LibreNMS, or a commercial NMS, SNMP is the universal query language they all speak. RHEL 7 ships the mature net-snmp suite, which includes the […]
