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SLES 12 — mailman — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — mailman — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 15 February 2021 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:1886-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-43331 CVE-2021-43332 CVE-2021-44227 CVE-2021-42096 CVE-2019-3693 CVE-2020-12108 CVE-2020-12137 CVE-2020-15011  +6 more Upstream summary: In GNU Mailman before 2.1.36, a crafted URL to the Cgi/options.py user options […]

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How To Install Dropbox Client as a Service on CentOS 7 — step-by-step Linux tutorial on Progressive Robot

How To Install Dropbox Client as a Service on CentOS 7

In this tutorial, we’ll show you how to install the Dropbox client, and configure it to run as a headless service, on a CentOS 7 server. This will allow your server to connect to Dropbox so that you can keep a copy of your Dropbox files synchronized on your server.

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How to Automate Windows Server 2019 Provisioning with PowerShell and Terraform — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Automate Windows Server 2019 Provisioning with PowerShell and Terraform

Introduction: Automating Windows Server 2019 Provisioning Combining PowerShell and HashiCorp Terraform creates a powerful two-stage infrastructure-as-code pipeline for Windows Server 2019. Terraform handles the infrastructure layer—creating VMs in Hyper-V, VMware vSphere, or Azure, configuring networking and storage, and producing consistent, idempotent resource definitions in version-controlled .tf files. PowerShell handles the OS configuration layer—domain joining, feature […]

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Oracle Linux 8 — ruby:2.7 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — ruby:2.7 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2023-3821)

🟡 Medium   ⏱ 10–30 min  Last verified: 14 February 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-3821 Related CVEs: CVE-2023-28755 CVE-2023-28756 CVE-2021-33621 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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Common Problems 118493

Ubuntu 16.04 LTS – OOM killer terminates critical services – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 14 February 2021 Affected versions: Ubuntu 16.04 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 […]

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Common Problems 117904

Ubuntu 18.04 apt lock errors during updates

🟡 Medium   ⏱ 5–30 min  Last verified: 14 February 2021 📖 ~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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How to Use Amanda for Enterprise Backup on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Use Amanda for Enterprise Backup on Oracle Linux 8

Introduction Setting up use amanda for enterprise backup on oracle linux 8 on a Oracle Linux 8 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Use Amanda for Enterprise Backup on Oracle Linux 8, with all the commands you need, the SELinux and firewalld […]

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Common Problems 115506

RHEL 7 yum GPG Key Mismatch on Repository Metadata

🟡 Medium   ⏱ 5–30 min  Last verified: 14 February 2021 Affected versions: RHEL 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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Common Problems 113443

Windows Server 2012 R2 — System volume marked dirty causes prolonged boot checks — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 14 February 2021 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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