Linux

Arch Linux — graphicsmagick — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — graphicsmagick — multiple vulnerabilities (14 CVEs) — patch and remediation guide

  • May 18, 2020
  • 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-201801-7 Related CVEs: CVE-2017-16547 CVE-2017-15930 CVE-2017-14165 CVE-2017-13777 CVE-2017-13776 CVE-2017-13134 CVE-2017-13066 CVE-2017-13065  +6 more Upstream summary: Type: multiple issues. Status: Fixed. Affected: 1.3.26-3. Fixed in: 1.3.27-1. Group: AVG-355. Table of contents […]

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How to Configure Podman Compose on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure Podman Compose on RHEL 8

  • May 18, 2020
  • Linux
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Podman Compose brings Docker Compose-style multi-container orchestration to Podman without requiring a Docker daemon or root privileges. It reads standard docker-compose.yml files and translates them into podman commands, so existing Compose definitions work without modification. On RHEL 8, Podman is already installed, and Podman Compose can be added from EPEL or via pip. This tutorial […]

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How To Centralize Logs With Journald on Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

How To Centralize Logs With Journald on Ubuntu 20.04

  • May 18, 2020
  • Linux
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In this guide, you will configure a component of the systemd suite of tools to relay log messages from client systems to a centralized log collection server. You will configure the server and client to use TLS certificates to encrypt the log messages as they are transmitted across insecure networks such as the internet and also to authenticate each other.

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Common Problems 121014

Debian 10 – boot is delayed by systemd-networkd-wait-online timeout

  • May 17, 2020
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 17 May 2020 Affected versions: Debian 10 📖 ~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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openSUSE Tumbleweed — nut — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — nut — vulnerability — patch and remediation guide

  • May 17, 2020
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2012:1077-1 (see also SUSE bugzilla) Related CVEs: CVE-2012-2944 Upstream summary: Buffer overflow in the addchar function in common/parseconf.c in upsd in Network UPS Tools (NUT) before 2.6.4 allows remote attackers to execute […]

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Common Problems 119014

Ubuntu 14.04 LTS Package Install Blocked by dpkg Lock

  • May 17, 2020
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 17 May 2020 📖 ~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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Common Problems 117498

Ubuntu 20.04 LTS – boot delayed by systemd-networkd-wait-online timeout

  • May 17, 2020
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 17 May 2020 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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openSUSE Tumbleweed — libidn2 — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libidn2 — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • May 17, 2020
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2019:2611-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-12290 CVE-2019-18224 CVE-2015-2059 CVE-2015-8948 CVE-2016-6262 CVE-2016-6263 Upstream summary: GNU libidn2 before 2.2.0 fails to perform the roundtrip checks specified in RFC3490 Section 4.2 when converting […]

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Ubuntu 16.04 — open-iscsi — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — open-iscsi — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • May 17, 2020
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 17 May 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6259-1 Related CVEs: CVE-2020-13987 CVE-2020-13988 CVE-2020-17437 Upstream summary: Jos Wetzels, Stanislav Dashevskyi, and Amine Amri discovered that Open-iSCSI incorrectly handled certain checksums for IP packets. An attacker could possibly use […]

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