Linux

How to Configure cAdvisor Container Metrics on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure cAdvisor Container Metrics on Debian 9

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up configure cadvisor container metrics on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each step carefully and […]

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openSUSE Tumbleweed — kdelibs3 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — kdelibs3 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SA:2009:052 (see also SUSE bugzilla) Related CVEs: CVE-2009-0689 CVE-2011-3365 CVE-2013-2074 Upstream summary: Array index error in the (1) dtoa implementation in dtoa.c (aka pdtoa.c) and the (2) gdtoa (aka new dtoa) implementation […]

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Common Problems 118970

Ubuntu 14.04 LTS High I/O Wait from ext4 Journal Saturation

🟠 High   ⏱ 5–30 min  Last verified: 18 September 2019 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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How to Install Packer Image Builder on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install Packer Image Builder on Debian 9

Introduction Deploying install packer image builder 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 You will […]

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Ubuntu 18.04 — patch — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — patch — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 September 2019 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4071-1 Related CVEs: CVE-2019-13636 CVE-2019-13638 Upstream summary: It was discovered that Patch incorrectly handled certain files. An attacker could possibly use this issue to access sensitive information. (CVE-2019-13636) It was […]

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Ubuntu 16.04 — libmspack — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libmspack — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 18 September 2019 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4066-1 Related CVEs: CVE-2019-1010305 CVE-2018-18584 CVE-2018-18585 CVE-2018-14679 CVE-2018-14680 CVE-2018-14681 CVE-2018-14682 CVE-2017-11423  +1 more Upstream summary: It was discovered that libmspack incorrectly handled certain CHM files. A remote attacker could possibly […]

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SLES 15 — yast2-security — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — yast2-security — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 18 September 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2019-3700 Upstream summary: yast2-security didn't use secure defaults to protect passwords. This became a problem on 2019-10-07 when configuration files that set secure settings were […]

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SLES 15 — perl-HTML-Parser — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — perl-HTML-Parser — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 18 September 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SR:2009:020 (see also SUSE bugzilla) Related CVEs: CVE-2009-3627 Upstream summary: The decode_entities function in util.c in HTML-Parser before 3.63 allows context-dependent attackers to cause a denial of service (infinite loop) via an […]

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How to Configure SNMP with net-snmp on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure SNMP with net-snmp on RHEL 7

How to Configure SNMP with net-snmp on RHEL 7 Simple Network Management Protocol (SNMP) is the industry standard for monitoring network devices, servers, and applications. Whether you use Nagios, Zabbix, Cacti, LibreNMS, or a commercial NMS, SNMP is the universal query language they all speak. RHEL 7 ships the mature net-snmp suite, which includes the […]

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Arch Linux — bitcoin-qt — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — bitcoin-qt — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201809-1 Related CVEs: CVE-2018-17144 Upstream summary: Type: denial of service. Status: Fixed. Affected: 0.16.2-2. Fixed in: 0.16.3-1. Group: AVG-766. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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CHAT