Filesystem

How to Configure iSCSI Target Server on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure iSCSI Target Server on Windows Server 2016

How to Set Up iSCSI Target Server on Windows Server 2016 iSCSI (Internet Small Computer Systems Interface) is a protocol that allows SCSI commands to be transmitted over a TCP/IP network, enabling servers and applications to access block-level storage over standard Ethernet connections. Windows Server 2016 includes a built-in iSCSI Target Server role that allows […]

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Common Problems 117985

Ubuntu 18.04 LTS – boot drops into emergency mode after fstab change

🔴 Critical   ⏱ 5–30 min  Last verified: 23 January 2020 Affected versions: Ubuntu 18.04 LTS Ubuntu 18.04 Ubuntu 18.04.6 📖 ~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 […]

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How to Configure HAST High-Availability Storage on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Configure HAST High-Availability Storage on FreeBSD 12

Introduction How to Configure HAST High-Availability Storage 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 for packet […]

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Common Problems 115130

RPM database corruption prevents package operations – RHEL 8 Post 021

🟡 Medium   ⏱ 5–30 min  Last verified: 19 January 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 […]

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Common Problems 119143

Ubuntu 14.04 LTS filesystem requires manual fsck on every boot

🟡 Medium   ⏱ 5–30 min  Last verified: 16 January 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 […]

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Common Problems 118404

Ubuntu 16.04 LTS boot drops to initramfs after unclean shutdown

🟠 High   ⏱ 5–30 min  Last verified: 15 January 2020 Affected versions: 16.04 16.04.7 📖 ~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 Set Up pf Firewall on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Set Up pf Firewall on FreeBSD 12

Introduction How to Set Up pf Firewall 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 for packet […]

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How to Set Up NFS File Sharing on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Set Up NFS File Sharing on RHEL 8

Network File System (NFS) is a distributed filesystem protocol that allows RHEL 8 servers to export directories over the network so that client machines can mount and use them as if they were local storage. NFS is a cornerstone of Linux infrastructure, used in everything from home lab setups to large-scale HPC clusters and virtualization […]

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How to Set Up Checksum Monitoring with AIDE on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Set Up Checksum Monitoring with AIDE on RHEL 7

File integrity monitoring is a cornerstone of host-based intrusion detection. AIDE — Advanced Intrusion Detection Environment — creates a cryptographic baseline of your file system and compares the current state against that baseline to detect unauthorized changes. When an attacker modifies a system binary, alters a configuration file, or installs a rootkit, AIDE reports exactly […]

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How to Configure Kubernetes RBAC on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Configure Kubernetes RBAC on FreeBSD 12

Introduction How to Configure Kubernetes RBAC 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 for packet filtering, […]

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