Package Management

Common Problems 118926

Ubuntu 14.04 LTS – unattended-upgrades causes sustained CPU usage – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 17 June 2019 Affected versions: Ubuntu 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 […]

Read more
How to Move a WPAR Between Systems on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Move a WPAR Between Systems on IBM AIX 7.2

Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to move a wpar between systems on ibm aix 7.2 […]

Read more
Ubuntu 14.04 — vlc — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — vlc — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 June 2019 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4805-1 Related CVEs: CVE-2017-10699 CVE-2018-11529 Upstream summary: It was discovered that VLC mishandled certain crafted media files. An attacker could use this vulnerability to cause a denial of service (crash) […]

Read more
Arch Linux — libxslt — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — libxslt — vulnerability — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201703-5 Related CVEs: CVE-2017-5029 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 1.1.29+23+geb1030d-1. Fixed in: 1.1.29+41+gdf5330d1-1. Group: AVG-195. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

Read more
SLES 12 — mercurial — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — mercurial — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 17 June 2019 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2017:1558-1 (see also SUSE bugzilla) Related CVEs: CVE-2017-9462 CVE-2019-3902 CVE-2014-9462 CVE-2016-3068 CVE-2016-3069 CVE-2016-3105 CVE-2016-3630 CVE-2017-1000116  +6 more Upstream summary: In Mercurial before 4.1.3, "hg serve –stdio" allows remote authenticated users to launch […]

Read more
FreeBSD 12 — ja-netscape — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — ja-netscape — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 17 June 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: firefox & mozilla — multiple vulnerabilities Related CVEs: CVE-2004-0597 CVE-2004-0598 CVE-2004-0599 CVE-2004-0762 CVE-2004-0765 CVE-2004-0904 CVE-2004-0905 CVE-2004-0908  +12 more Upstream summary: A Mozilla Foundation Security Advisory reports of multiple issues: Heap […]

Read more
How to Manage Systemd Services and Units on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Manage Systemd Services and Units on RHEL 7

How to Manage Systemd Services and Units on RHEL 7 Red Hat Enterprise Linux 7 made a significant shift from the traditional SysVinit and Upstart initialization systems to systemd as the default init system. Systemd is a comprehensive system and service manager that controls how services start, stop, and interact with the rest of the […]

Read more
How to Configure Nginx as a Reverse Proxy on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure Nginx as a Reverse Proxy on RHEL 8

Nginx is a high-performance web server that also excels as a reverse proxy, sitting in front of application servers and forwarding client requests to backend services running on internal ports. Using Nginx as a reverse proxy on RHEL 8 allows you to serve Node.js, Python, Java, or any HTTP-based application behind a clean public-facing endpoint […]

Read more
openSUSE Tumbleweed — yast2-users — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — yast2-users — vulnerability — 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-2016:1226-1 (see also SUSE bugzilla) Related CVEs: CVE-2016-1601 Upstream summary: yast2-users before 3.1.47, as used in SUSE Linux Enterprise 12 SP1, does not properly set empty password fields in /etc/shadow during an […]

Read more
Common Problems 119104

Ubuntu 14.04 LTS sudo apt-get Dist-Upgrade Hangs Indefinitely

🟡 Medium   ⏱ 5–30 min  Last verified: 16 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 […]

Read more
CHAT