Linux

Ubuntu 20.04 — ntp — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — ntp — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 December 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5175-1 Related CVEs: CVE-2020-15025 CVE-2019-8936 Upstream summary: It was discovered that ntpd incorrectly handled memory when CMAC keys were used. A remote attacker could possibly use this issue to cause […]

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How To Set Up a Help Desk System with OTRS on CentOS 7 — step-by-step Linux tutorial on Progressive Robot

How To Set Up a Help Desk System with OTRS on CentOS 7

OTRS is an Open source Ticket Request System. It provides a single point of contact for users, customers, IT personnel, IT services, and any external organizations. The program is written in Perl, supports a variety of databases (MySQL, PostgreSQL, etc), and can integrate with LDAP directories.

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How To Install the Django Web Framework on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How To Install the Django Web Framework on Ubuntu 16.04

Django is a full-featured Python web framework for developing dynamic websites and applications. Using Django, you can quickly create Python web applications and rely on the framework to do a good deal of the heavy lifting. In this guide, we will show you how to get Django…

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Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2021-9486)

🟠 High   ⏱ 15–60 min  Last verified: 26 December 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-9486 Related CVEs: CVE-2020-16119 CVE-2017-6074 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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Oracle Linux 8 — tomcat — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — tomcat — security and stability fixes — required update (ELSA-2024-3666)

🟠 High   ⏱ 15–60 min  Last verified: 25 December 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-3666 Related CVEs: CVE-2024-23672 CVE-2024-24549 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 118566

Ubuntu 16.04 LTS – cron jobs stop running unexpectedly

🟡 Medium   ⏱ 5–30 min  Last verified: 25 December 2020 Affected versions: Ubuntu 16.04 LTS Ubuntu 16.04 Ubuntu 16.04.7 📖 ~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 […]

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Ubuntu 20.04 — xcftools — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — xcftools — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 December 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5988-1 Related CVEs: CVE-2019-5086 CVE-2019-5087 Upstream summary: It was discovered that integer overflows vulnerabilities existed in Xcftools. An attacker could use this to cause a denial of service (system crash) […]

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How To Use PostgreSQL with Your Ruby on Rails Application on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Use PostgreSQL with Your Ruby on Rails Application on Ubuntu 14.04

Ruby on Rails uses sqlite3 as its default database, which works great in many cases, but may not be sufficient for your application. If your application requires the scalability, centralization, and control (or any other feature) that is provided by a client/server SQL database offers, this tutorial will show you how to do just that, with PostgreSQL, on Ubuntu 14.04.

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