Troubleshooting

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

SLES 12 — fence-agents — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 13 May 2020 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2014-0104 CVE-2019-10153 Upstream summary: In fence-agents before 4.0.17 does not verify remote SSL certificates in the fence_cisco_ucs.py script which can potentially allow for man-in-the-middle attackers […]

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FreeBSD 12 — opera-devel — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — opera-devel — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 13 May 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: opera — moderately severe issue Related CVEs: CVE-2004-1156 CVE-2004-1157 CVE-2004-1158 CVE-2004-1160 CVE-2004-1491 CVE-2005-0456 CVE-2005-1475 CVE-2005-1669  +12 more Upstream summary: Opera reports: Fixed a moderately severe issue, as reported by Attila […]

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Amazon Linux 2 — kernel — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2019-1222 Related CVEs: CVE-2019-11477 CVE-2019-11478 CVE-2019-11479 CVE-2018-3615 CVE-2018-3620 CVE-2018-3646 CVE-2018-5391 CVE-2018-13093  +12 more Upstream summary: CVE-2019-11477, CVE-2019-11478 and CVE-2019-11479 describe vulnerabilities in the Linux kernel that can be remotely exploited […]

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How to Set Up a Python Django Application on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up a Python Django Application on Debian 10

Introduction This guide explains how to Set Up a Python Django Application on Debian 10 on Debian 10 Buster. Debian Buster uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 10 install […]

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Common Problems 119063

Ubuntu 14.04 LTS PHP module missing after upgrade

🟡 Medium   ⏱ 5–30 min  Last verified: 12 May 2020 📖 ~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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Common Problems 119009

Ubuntu 14.04 LTS – sudo reports unable to resolve host

🟡 Medium   ⏱ 5–30 min  Last verified: 12 May 2020 Affected versions: Ubuntu 14.04 LTS Ubuntu 14.04 Ubuntu 14.04.6 📖 ~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 […]

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Common Problems 118498

SSH connection refused after reboot

🟡 Medium   ⏱ 5–30 min  Last verified: 12 May 2020 📖 ~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 Configure BitLocker Drive Encryption on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure BitLocker Drive Encryption on Windows Server 2012 R2

How to Configure BitLocker Drive Encryption on Windows Server 2012 R2 BitLocker Drive Encryption provides volume-level encryption to protect data at rest on Windows Server 2012 R2. When a drive is protected with BitLocker, even if the physical disk is removed from the server and installed elsewhere, the data remains unreadable without the correct encryption […]

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Gentoo Linux — sys-devel/grub — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — sys-devel/grub — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202104-05 Related CVEs: CVE-2020-10713 CVE-2020-14308 CVE-2020-14309 CVE-2020-14310 CVE-2020-14311 CVE-2020-14372 CVE-2020-15705 CVE-2020-15706  +7 more Upstream summary: Multiple vulnerabilities have been discovered in GRUB. Please review the CVE identifiers referenced below for details. Table […]

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How to Configure a Virtual Host in Nginx on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Configure a Virtual Host in Nginx on SLES 15

Introduction This tutorial covers How to Configure a Virtual Host in Nginx on SLES 15 on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 15 system is up to […]

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