Troubleshooting

Common Problems 121040

Debian 10 – sshd Fails to Start After Config Change – Fast Validation Workflow

🔴 Critical   ⏱ 5–30 min  Last verified: 27 February 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 & […]

Read more
How to Configure Samba on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Configure Samba on FreeBSD 12

Introduction How to Configure Samba on FreeBSD 12 is a core administration task for any FreeBSD 12 server operator. FreeBSD 12 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet filtering, and […]

Read more
Common Problems 118933

Ubuntu 14.04 LTS drops to initramfs BusyBox on boot

🟡 Medium   ⏱ 5–30 min  Last verified: 27 February 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 […]

Read more
How to Install VictoriaMetrics on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install VictoriaMetrics on FreeBSD 12

Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install victoriametrics on freebsd 12 on FreeBSD 12 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux distribution. This […]

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

openSUSE Tumbleweed — uuidd — multiple vulnerabilities (4 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-SU-2015:0270-1 (see also SUSE bugzilla) Related CVEs: CVE-2014-9114 CVE-2016-2779 CVE-2013-0157 CVE-2015-5218 Upstream summary: Blkid in util-linux before 2.26rc-1 allows local users to execute arbitrary code. Table of contents Symptom & Impact Environment […]

Read more
FreeBSD 12 — linux-c6-flac — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — linux-c6-flac — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 February 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: flac — Multiple vulnerabilities Related CVEs: CVE-2014-8962 CVE-2014-9028 Upstream summary: Erik de Castro Lopo reports: Google Security Team member, Michele Spagnuolo, recently found two potential problems in the FLAC code […]

Read more
openSUSE Tumbleweed — unixODBC — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — unixODBC — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2011-1145 Upstream summary: The SQLDriverConnect() function in unixODBC before 2.2.14p2 have a possible buffer overflow condition when specifying a large value for SAVEFILE parameter in […]

Read more
How to Configure Database Backups with Automysqlbackup on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure Database Backups with Automysqlbackup on Debian 10

Introduction This guide explains how to Configure Database Backups with Automysqlbackup on Debian 10 on Debian 10 Buster. Debian Buster 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 10 install with […]

Read more
Gentoo Linux — net-misc/tigervnc — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — net-misc/tigervnc — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202407-14 Related CVEs: CVE-2019-15691 CVE-2019-15692 CVE-2019-15694 CVE-2019-15695 CVE-2020-26117 Upstream summary: Multiple vulnerabilities have been discovered in TigerVNC. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact […]

Read more
CHAT