Linux

Arch Linux — postgresql — multiple vulnerabilities (19 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — postgresql — multiple vulnerabilities (19 CVEs) — patch and remediation guide

  • July 9, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202204-1 Related CVEs: CVE-2021-23214 CVE-2020-25696 CVE-2020-25695 CVE-2020-25694 CVE-2018-1058 CVE-2017-7548 CVE-2017-7547 CVE-2017-7546  +11 more Upstream summary: Type: man-in-the-middle. Status: Fixed. Affected: 13.4-6. Fixed in: 13.5-1. Group: AVG-2546. Table of contents Symptom […]

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How to Set Up borgbackup on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up borgbackup on Debian 9

  • July 9, 2021
  • Linux
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Introduction How to Set Up borgbackup on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 9. This […]

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Oracle Linux 8 — kernel security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — kernel security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2022-7110)

  • July 8, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 8 July 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-7110 Related CVEs: CVE-2022-23816 CVE-2022-2588 CVE-2022-23825 CVE-2022-29901 CVE-2022-1353 CVE-2022-29900 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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openSUSE Tumbleweed — p7zip — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — p7zip — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • July 8, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2018:0497-1 (see also SUSE bugzilla) Related CVEs: CVE-2017-17969 CVE-2016-2334 CVE-2016-2335 CVE-2016-9296 CVE-2021-3465 CVE-2015-1038 Upstream summary: Heap-based buffer overflow in the NCompress::NShrink::CDecoder::CodeReal method in 7-Zip before 18.00 and p7zip allows remote attackers to […]

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Common Problems 115068

RHEL 8 NFS Mount Hangs During Boot and Delays Multi-User Target

  • July 8, 2021
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 8 July 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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Debian 10 — evolution-data-server — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — evolution-data-server — vulnerability — patch and remediation guide

  • July 8, 2021
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 8 July 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-14928 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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How To Use PostgreSQL with Your Ruby on Rails Application on Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

How To Use PostgreSQL with Your Ruby on Rails Application on Ubuntu 20.04

  • July 8, 2021
  • Linux
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A PostgreSQL database is a robust and flexible choice for your Ruby on Rails application. In this tutorial, you will set up a Ruby on Rails development environment connected to a PostgreSQL database on an Ubuntu 20.04 server. You will install and configure PostgreSQL, then test your setup by creating a Rails application that uses PostgreSQL as its database server.

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Oracle Linux 8 — glib2 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — glib2 — vulnerability — patch and remediation guide (ELSA-2021-3058)

  • July 8, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 8 July 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-3058 Related CVEs: CVE-2021-27218 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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Oracle Linux 8 — fontforge — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — fontforge — vulnerability — patch and remediation guide (ELSA-2020-1921)

  • July 8, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 8 July 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-1921 Related CVEs: CVE-2020-5395 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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