2021 - Page 536 of 759

Common Problems 117479

Ubuntu 20.04 NVIDIA driver install or upgrade issues

🟡 Medium   ⏱ 5–30 min  Last verified: 20 April 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 SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Use Amanda for Enterprise Backup on SLES 15

Introduction This tutorial covers How to Use Amanda for Enterprise Backup 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 date: […]

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How to Enable Credential Guard on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Enable Credential Guard on Windows Server 2012 R2

How to Harden Credential Protection on Windows Server 2012 R2 Protecting credentials from theft is one of the most critical security objectives for any Windows Server environment. Credential Guard, which uses virtualization-based security to isolate credential material from the OS kernel, is a Windows Server 2016 and later feature and is not available on Windows […]

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

AlmaLinux 8 — dconf — 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-2021:1848 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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FreeBSD 13 — p7zip — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — p7zip — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 20 April 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: p7zip — usage of uninitialized memory Related CVEs: CVE-2015-1038 CVE-2016-2334 CVE-2016-2335 CVE-2016-9296 CVE-2017-17969 CVE-2018-10115 Upstream summary: NVD reports: Incorrect initialization logic of RAR decoder objects in 7-Zip 18.03 and before […]

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Como configurar as chaves SSH no CentOS — step-by-step Linux tutorial on Progressive Robot

Como configurar as chaves SSH no CentOS

O SSH, ou shell seguro, é um protocolo criptografado usado para administrar e se comunicar com servidores. Ao trabalhar com um servidor CentOS, existem boas chances de você gastar a maior parte do seu tempo em uma sessão de terminal conectada ao seu servidor através do…

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FreeBSD 13 — stunnel — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — stunnel — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 April 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: stunnel — Remote Code Execution Related CVEs: CVE-2011-2940 CVE-2013-1762 Upstream summary: Michal Trojnara reports: 64-bit versions of stunnel with the following conditions: * NTLM authentication enabled * CONNECT protocol negotiation […]

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Gentoo Linux — dev-java/oracle-jdk-bin — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-java/oracle-jdk-bin — multiple vulnerabilities (20 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-202209-15 Related CVEs: CVE-2020-2585 CVE-2020-2755 CVE-2020-2756 CVE-2020-2757 CVE-2020-2773 CVE-2020-2781 CVE-2020-2800 CVE-2020-2803  +12 more Upstream summary: Multiple vulnerabilities have been discovered in Oracle's JDK and JRE software suites. Please review the CVE identifiers […]

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How to Install Redis on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Install Redis on Oracle Linux 8

Introduction How to Install Redis on Oracle Linux 8 on Oracle Linux 8 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is reproducible […]

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

FreeBSD 13 — nwclient — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 20 April 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: nwclient — multiple vulnerabilities Related CVEs: CVE-2001-0910 CVE-2002-0113 CVE-2002-0114 Upstream summary: Insecure file permissions, network access control and DNS usage put systems that use Legato NetWorker at risk. When the […]

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