Linux

Common Problems 115393

RHEL 7 – Yum Metadata Corruption Blocks Security Updates

🟡 Medium   ⏱ 5–30 min  Last verified: 25 June 2019 📖 ~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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How to Install and Configure Tomcat 8 on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install and Configure Tomcat 8 on Debian 9

Introduction Deploying install and configure tomcat 8 on debian 9 on a Debian 9 Stretch machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Ensure […]

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openSUSE Tumbleweed — koan — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — koan — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2021:0046-1 (see also SUSE bugzilla) Related CVEs: CVE-2011-4953 CVE-2012-2395 CVE-2016-9605 CVE-2014-3225 Upstream summary: The set_mgmt_parameters function in item.py in cobbler before 2.2.2 allows context-dependent attackers to execute arbitrary code via vectors related […]

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How To Set Up an NFS Mount on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How To Set Up an NFS Mount on Ubuntu 16.04

NFS, or Network File System, is a distributed file system protocol that allows you to mount remote directories on your server. This allows you to leverage storage space in a different location and to write to the same space from multiple servers. NFS works well for directories…

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Debian 9 — apache-log4j1.2 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — apache-log4j1.2 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 June 2019 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-17571 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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openSUSE Tumbleweed — libmikmod3 — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libmikmod3 — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2018:1471-1 (see also SUSE bugzilla) Related CVEs: CVE-2010-2546 CVE-2009-3995 CVE-2009-3996 CVE-2007-6720 Upstream summary: Multiple heap-based buffer overflows in loaders/load_it.c in libmikmod, possibly 3.1.12, might allow remote attackers to execute arbitrary code via […]

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Debian 9 — curl — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — curl — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 June 2019 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-1000100 CVE-2017-1000257 CVE-2017-8816 CVE-2018-1000007 CVE-2018-1000120 CVE-2018-1000301 CVE-2018-14618 CVE-2018-16839  +2 more Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – […]

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