Kernel Drivers

How to Set Up Two-Factor Authentication (2FA) for SSH on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Set Up Two-Factor Authentication (2FA) for SSH on Ubuntu 24.04

Two-Factor Authentication (2FA) adds an extra layer of security to SSH by requiring a time-based one-time password (TOTP) in addition to your SSH key or password. This guide configures Google Authenticator PAM for SSH 2FA on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server A user with sudo […]

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VMware ESXi 6.7 — vmx — multiple ESXi vulnerabilities (5 CVEs) — VIB / vLCM patch and remediation guide — diagnosis and fix on VMware ESXi 6.7

VMware ESXi 6.7 — vmx — multiple ESXi vulnerabilities (5 CVEs) — VIB / vLCM patch and remediation guide

🔴 Critical   ⏱ 30–120 min  Last verified: 25 May 2026 Affected versions: VMware ESXi 6.7 📖 ~4 min read  •  Source: VMware advisory VMSA-2024-0006 Related CVEs: CVE-2024-22252 CVE-2024-22253 CVE-2024-22254 CVE-2024-22255 CVE-2022-31705 Fixed image profile / build: ESXi80U2sb-23305546 Upstream summary: Use-after-free and out-of-bounds write vulnerabilities in the XHCI USB controller (CVE-2024-22252 / CVE-2024-22253) allow a […]

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

Oracle Linux 8 — kernel — vulnerability — patch and remediation guide (ELSA-2025-7531)

🟠 High   ⏱ 15–60 min  Last verified: 25 July 2024 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-7531 Related CVEs: CVE-2022-49011 CVE-2024-53141 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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Oracle Linux 9 — kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — kernel — vulnerability — patch and remediation guide (ELSA-2025-3506)

🟡 Medium   ⏱ 10–30 min  Last verified: 24 July 2024 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-3506 Related CVEs: CVE-2024-43855 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Amazon Linux 2 — kernel-livepatch-5.10.230-223.885 — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-5.10.230-223.885 — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2LIVEPATCH-2025-201 Related CVEs: CVE-2024-56631 CVE-2023-52760 CVE-2024-36899 CVE-2024-49960 CVE-2024-50055 CVE-2024-50121 CVE-2024-50143 CVE-2024-56642 Upstream summary: In the Linux kernel, the following vulnerability has been resolved: scsi: sg: Fix slab-use-after-free read in sg_release() […]

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Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2023-12798)

🟠 High   ⏱ 15–60 min  Last verified: 13 July 2024 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12798 Related CVEs: CVE-2023-22024 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide (ELSA-2024-12154)

🟠 High   ⏱ 15–60 min  Last verified: 13 July 2024 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-12154 Related CVEs: CVE-2023-4244 CVE-2023-45863 CVE-2023-25775 CVE-2022-29900 CVE-2022-29901 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2025-20066)

🟠 High   ⏱ 15–60 min  Last verified: 12 July 2024 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-20066 Related CVEs: CVE-2024-50301 CVE-2024-49974 CVE-2024-50261 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2025-20018)

🟠 High   ⏱ 15–60 min  Last verified: 11 July 2024 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-20018 Related CVEs: CVE-2024-53070 CVE-2024-46770 CVE-2024-53060 CVE-2024-53097 CVE-2024-53226 CVE-2024-53206 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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How to Install Go 1.22 on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install Go 1.22 on RHEL 9

Go (Golang) is a statically typed, compiled systems programming language developed by Google. Its primary design goals are simplicity, fast compilation, and excellent concurrency support through goroutines and channels. Go compiles to a single statically linked binary with no runtime dependencies — deploying a Go application means copying a single binary to the target server. […]

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