November 2021 - Page 50 of 66

Common Problems 117569

Ubuntu 20.04 disk space full due to logs and cache

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 📖 ~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 Configure Traefik Reverse Proxy on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure Traefik Reverse Proxy on FreeBSD 13

Introduction Deploying configure traefik reverse proxy on freebsd 13 on a FreeBSD 13 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard […]

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Debian 11 — hpsockd — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — hpsockd — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-0993 Upstream summary: Buffer overflow in hpsockd before 0.6 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code. Table of contents […]

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How to Boot into Maintenance Mode on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Boot into Maintenance Mode 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 boot into maintenance mode on ibm aix 7.2 on […]

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Debian 11 — beagle — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — beagle — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-4791 CVE-2006-1296 CVE-2006-1865 Upstream summary: Multiple untrusted search path vulnerabilities in SUSE Linux 10.0 cause the working directory to be added to LD_LIBRARY_PATH, which might allow local users […]

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Debian 11 — isync — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — isync — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-0289 CVE-2021-20247 CVE-2021-3578 CVE-2021-3657 Upstream summary: Isync 0.4 before 1.0.6, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or […]

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Debian 11 — pitivi — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — pitivi — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-0855 Upstream summary: The _mediaLibraryPlayCb function in mainwindow.py in pitivi before 0.95 allows attackers to execute arbitrary code via shell metacharacters in a file path. Table of contents […]

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How to Configure ModSecurity WAF with Apache2 on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure ModSecurity WAF with Apache2 on Debian 9

Introduction This guide explains how to Configure ModSecurity WAF with Apache2 on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 install with […]

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Debian 11 — privoxy — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — privoxy — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-2503 CVE-2015-1030 CVE-2015-1031 CVE-2015-1380 CVE-2015-1381 CVE-2015-1382 CVE-2016-1982 CVE-2016-1983  +12 more Upstream summary: Privoxy before 3.0.21 does not properly handle Proxy-Authenticate and Proxy-Authorization headers in the client-server data stream, […]

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