ubuntu

Ubuntu 14.04 — apport — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — apport — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • January 19, 2022
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 19 January 2022 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5122-2 Related CVEs: https://launchpad.net/bugs/1948657 CVE-2021-3709 CVE-2021-3710 CVE-2021-32547 CVE-2021-32548 CVE-2021-32549 CVE-2021-32550 CVE-2021-32551  +12 more Upstream summary: USN-5122-1 fixed a vulnerability in Apport. This update provides the corresponding update for Ubuntu 14.04 […]

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Configuration initiale de serveur avec Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Configuration initiale de serveur avec Ubuntu 20.04

  • January 19, 2022
  • Linux
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Lorsque vous créez un nouveau serveur Ubuntu 20.04, vous devez effectuer quelques étapes de configuration importantes dans le cadre de la configuration de base. Ces étapes augmenteront la sécurité et la convivialité de votre serveur, et vous donneront une base solide pour les…

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How To Use the LEMP 1-Click Install on the cloud provider — step-by-step Linux tutorial on Progressive Robot

How To Use the LEMP 1-Click Install on the cloud provider

  • January 19, 2022
  • Linux
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LEMP stack is a solution stack that employs a specific group of software to host web applications on a server. This term is an acronym which represents the Linux operating system with the Nginx web server. The site data is stored in a MySQL database, and dynamic content is processed by PHP. This tutorial will guide you through spinning up a cloud servers with LEMP stack pre-installed, using the the cloud provider LEMP 1-Click App.

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Ubuntu 16.04 — libsdl1.2 — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libsdl1.2 — multiple vulnerabilities (14 CVEs) — patch and remediation guide

  • January 18, 2022
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 18 January 2022 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5586-1 Related CVEs: CVE-2022-34568 CVE-2021-33657 CVE-2019-13616 CVE-2019-7572 CVE-2019-7573 CVE-2019-7574 CVE-2019-7575 CVE-2019-7576  +6 more Upstream summary: It was discovered that SDL (Simple DirectMedia Layer) incorrectly handled memory. An attacker could potentially […]

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Ubuntu 18.04 — nvidia-graphics-drivers-418-server — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — nvidia-graphics-drivers-418-server — multiple vulnerabilities (7 CVEs) — patch and remediation guide

  • January 18, 2022
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 18 January 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5019-1 Related CVEs: CVE-2021-1093 CVE-2021-1094 CVE-2021-1095 CVE-2021-1076 CVE-2021-1077 CVE-2021-1052 CVE-2021-1053 Upstream summary: It was discovered that an assert() could be triggered in the NVIDIA graphics drivers. A local attacker could […]

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Ubuntu 16.04 — php-cas — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — php-cas — vulnerability — patch and remediation guide

  • January 17, 2022
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 17 January 2022 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6913-2 Related CVEs: CVE-2022-39369 Upstream summary: USN-6913-1 fixed CVE-2022-39369 for Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. This update provides the corresponding fix for Ubuntu 16.04 LTS. Original advisory details: […]

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Common Problems 117492

Ubuntu 20.04 LTS – disk full under /var/log causes service failures – Fix & Prevention

  • January 17, 2022
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 17 January 2022 Affected versions: Ubuntu 20.04 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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Common Problems 117508

Ubuntu 20.04 LTS – cloud-init stalls and first boot never completes

  • January 16, 2022
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 16 January 2022 Affected versions: Ubuntu 20.04 LTS Ubuntu 20.04 Ubuntu 20.04.6 📖 ~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 118921

Ubuntu 14.04 LTS apt/dpkg lock prevents updates

  • January 15, 2022
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 15 January 2022 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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Ubuntu 20.04 — jupyter-notebook — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — jupyter-notebook — multiple vulnerabilities (8 CVEs) — patch and remediation guide

  • January 15, 2022
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 15 January 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5585-1 Related CVEs: CVE-2018-19351 CVE-2018-21030 CVE-2019-10255 CVE-2019-10856 CVE-2019-9644 CVE-2020-26215 CVE-2022-24758 CVE-2022-29238 Upstream summary: It was discovered that Jupyter Notebook incorrectly handled certain notebooks. An attacker could possibly use this issue […]

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