November 2020 - Page 16 of 66

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

Oracle Linux 8 — wget — vulnerability — patch and remediation guide (ELSA-2019-0983)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-0983 Related CVEs: CVE-2019-5953 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more
Expect Script SSH Example Tutorial — step-by-step Security tutorial on Progressive Robot

Expect Script SSH Example Tutorial

Expect script is a great linux/unix utility. I have to deal with a lot of unix servers in my daily life, whether it's at work or it's my hosting server. So I need to remember a lot of SSH users, their passwords and then SU users and passwords. It's kind of messy when the number […]

Read more
How to Configure Domain Trusts in Active Directory on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure Domain Trusts in Active Directory on Windows Server 2016

How to Configure Windows Server 2016 Domain Trust Relationships Domain trust relationships in Windows Server 2016 enable users in one domain to access resources in another domain without requiring separate accounts in each domain. Trusts define the authentication relationships between domains and forests, determining how Kerberos and NTLM authentication flows across domain boundaries. Properly configuring […]

Read more
Oracle Linux 8 — java-17-openjdk security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — java-17-openjdk security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2022-5726)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-5726 Related CVEs: CVE-2022-21541 CVE-2022-21549 CVE-2022-21540 CVE-2022-34169 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

Read more
Common Problems 117585

Ubuntu 20.04 LTS No Space Left on Device During apt Upgrade

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 📖 ~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 […]

Read more
Alpine Linux edge — postsrsd — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — postsrsd — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.6-r4 📖 ~4 min read  •  Source: Alpine secdb entry — postsrsd 1.6-r4 Related CVEs: CVE-2020-35573 Upstream summary: Alpine community repository for vedge ships postsrsd 1.6-r4 which addresses CVE-2020-35573. Table of contents Symptom & Impact Environment […]

Read more
Common Problems 117545

Netplan Apply Fails with YAML Error

🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: 20.04 📖 ~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 […]

Read more
FreeBSD 12 — rubygem-kaminari-core — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — rubygem-kaminari-core — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: kaminari — potential XSS vulnerability Related CVEs: CVE-2020-11082 Upstream summary: Kaminari Security Advisories: There was a vulnerability in versions of Kaminari that would allow an attacker to inject arbitrary code […]

Read more
Common Problems 113590

Windows Server 2012 R2 — AGDLP scaling breaks when global groups exceed forest replication threshold — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 07 July 2027 Affected versions: Windows Server 2012 R2 📖 ~2 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 […]

Read more
CHAT