November 2020 - Page 9 of 66

Ubuntu 20.04 — zfs-linux — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — zfs-linux — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6511-1 Related CVEs: CVE-2013-20001 Upstream summary: It was discovered that the OpenZFS sharenfs feature incorrectly handled IPv6 address data. This could result in IPv6 restrictions not being applied, contrary to […]

Read more
Создание резервного пула хранения данных с помощью GlusterFS в Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Создание резервного пула хранения данных с помощью GlusterFS в Ubuntu 20.04

Предыдущая версия данного обучающего руководства была написана Джастином Эллингвудом. При хранении любых важных данных очень рискованно иметь единую точку отказа. Хотя многие базы данных и другие программы позволяют…

Read more
Oracle Linux 8 — firefox — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — firefox — vulnerability — patch and remediation guide (ELSA-2019-4111)

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-4111 Related CVEs: CVE-2019-17010 CVE-2019-17011 CVE-2019-17008 CVE-2019-17012 CVE-2019-17005 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

Read more
How to Set Up Windows Server 2019 SR-IOV — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Windows Server 2019 SR-IOV

How to Set Up Windows Server 2019 SR-IOV Single Root I/O Virtualization (SR-IOV) is a PCI-SIG specification that allows a single physical PCIe network adapter to present multiple virtual functions (VFs) directly to virtual machines, bypassing the Hyper-V virtual switch and the software network stack. This provides near-native network performance in VMs with ultra-low latency […]

Read more
Oracle Linux 8 — container-tools:ol8 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — container-tools:ol8 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2022-7822)

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-7822 Related CVEs: CVE-2022-2990 CVE-2022-2989 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

Read more
Common Problems 117488

Ubuntu 20.04 LTS – GRUB rescue prompt shows unknown filesystem

🔴 Critical   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Ubuntu 20.04 LTS Ubuntu 20.04 Ubuntu 20.04.6 📖 ~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 […]

Read more
CHAT