IT, Cloud & DevOps Blog

SLES 15 — unixODBC — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — unixODBC — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 10 September 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2011-1145 Upstream summary: The SQLDriverConnect() function in unixODBC before 2.2.14p2 have a possible buffer overflow condition when specifying a large value for SAVEFILE parameter in […]

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Как установить веб-сервер Apache в Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

Как установить веб-сервер Apache в Ubuntu 18.04

HTTP сервер Apache является самым широко используемым веб-сервером в мире. Он предоставляет множество удобных функций включая динамически загружаемые модули, широкую поддержку мультимедиа, и интеграцию с другим популярным программным обеспечением. В этом руководстве мы…

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

Oracle Linux 8 — libtirpc — vulnerability — patch and remediation guide (ELSA-2021-9449)

🟠 High   ⏱ 15–60 min  Last verified: 10 September 2019 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-9449 Related CVEs: CVE-2018-14621 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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Common Problems 118990

Ubuntu 14.04 LTS NTP Drift Causes Kerberos and SSL Failures

🟠 High   ⏱ 5–30 min  Last verified: 9 September 2019 Affected versions: 14.04 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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How to Install Icinga2 on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install Icinga2 on Debian 9

Introduction This guide explains how to Install Icinga2 on Debian 9 on Debian 9 Stretch. Debian Stretch 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 9 install with the standard repositories […]

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How to Integrate Windows Server 2016 with Azure Active Directory — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Integrate Windows Server 2016 with Azure Active Directory

Introduction Integrating Windows Server 2016 with Azure Active Directory (Azure AD) enables hybrid identity, allowing on-premises users to access Microsoft 365, Azure, and SaaS applications using the same credentials. Azure AD Connect is the synchronisation engine that bridges your on-premises AD with Azure AD, handling user, group, and password synchronisation. Prerequisites Before installing Azure AD […]

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Sysadmin eBook: Faire fonctionner les serveurs — step-by-step Linux tutorial on Progressive Robot

Sysadmin eBook: Faire fonctionner les serveurs

<$>[note] [label Télécharger le eBook complet] Faire fonctionner les serveurs : Un guide pratique de l’administration des systèmes un eBook au format EPUB [*Faire fonctionner les serveurs : un Guide pratique pour l’administration du système *un…

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FreeBSD 12 — py34-cryptography — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py34-cryptography — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-cryptography — tag forgery vulnerability Related CVEs: CVE-2016-9243 CVE-2018-10903 Upstream summary: The Python Cryptographic Authority (PyCA) project reports: finalize_with_tag() allowed tag truncation by default which can allow tag forgery in […]

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