Operations

How to Configure Hyper-V Storage for VMs on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure Hyper-V Storage for VMs on Windows Server 2012 R2

How to Configure Hyper-V Storage for VMs on Windows Server 2012 R2 Storage configuration is one of the most critical aspects of Hyper-V performance and reliability. Windows Server 2012 R2 Hyper-V supports multiple storage types, including locally attached SATA/SAS drives, iSCSI SANs, Fibre Channel, SMB 3.0 file shares, and pass-through disks. Understanding how to optimally […]

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How to Set Up Windows Server 2019 GRE Tunnelling — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Windows Server 2019 GRE Tunnelling

How to Set Up Windows Server 2019 GRE Tunnelling Generic Routing Encapsulation (GRE) tunnelling is a lightweight tunnelling protocol that encapsulates a wide variety of network layer protocols within virtual point-to-point links. Windows Server 2019 supports GRE tunnelling through the RAS Gateway, enabling L3 connectivity between tenant virtual networks and external physical networks without the […]

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FreeBSD 13 — m6811-binutils — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — m6811-binutils — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 29 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: GNU binutils — multiple vulnerabilities Related CVEs: CVE-2014-8501 CVE-2014-8502 CVE-2014-8503 Upstream summary: US-CERT/NIST reports: The _bfd_XXi_swap_aouthdr_in function in bfd/peXXigen.c in GNU binutils 2.24 and earlier allows remote attackers to cause […]

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AlmaLinux 8 — nftables — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — nftables — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2022:2004 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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SLES 12 — crmsh — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — crmsh — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 29 July 2021 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2021:0083-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-35459 CVE-2021-3020 Upstream summary: An issue was discovered in ClusterLabs crmsh through 4.2.1. Local attackers able to call "crm history" (when "crm" is run) were […]

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Oracle Linux 8 — thunderbird — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — thunderbird — vulnerability — patch and remediation guide (ELSA-2021-0993)

🟠 High   ⏱ 15–60 min  Last verified: 29 July 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-0993 Related CVEs: CVE-2021-23981 CVE-2021-23982 CVE-2021-23984 CVE-2021-23987 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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openSUSE Tumbleweed — wayshot — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — wayshot — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2021-21299 Upstream summary: hyper is an open-source HTTP library for Rust (crates.io). In hyper from version 0.12.0 and before versions 0.13.10 and 0.14.3 there is […]

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Oracle Linux 8 — Systems With Btrfs Fail to Boot in FIPS Mode — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Systems With Btrfs Fail to Boot in FIPS Mode

🟠 High   ⏱ 5–30 min  Last verified: 28 July 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: Oracle Bug OLRNT-topic_sr1_qhl_nzb 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 […]

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