Logging Monitoring

How to Install and Use tmux on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Install and Use tmux on FreeBSD 13

Introduction FreeBSD 13 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install and use tmux on freebsd 13 on FreeBSD 13 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 […]

Read more
Ubuntu 20.04 — p11-kit — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — p11-kit — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 14 July 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4677-1 Related CVEs: CVE-2020-29361 CVE-2020-29362 CVE-2020-29363 Upstream summary: David Cook discovered that p11-kit incorrectly handled certain memory operations. An attacker could use this issue to cause p11-kit to crash, resulting […]

Read more
Oracle Linux 8 — nghttp2 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — nghttp2 — vulnerability — patch and remediation guide (ELSA-2020-2755)

🟠 High   ⏱ 15–60 min  Last verified: 14 July 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-2755 Related CVEs: CVE-2020-11080 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more
AlmaLinux 8 — jigawatts — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — jigawatts — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALEA-2021:4343 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

Read more
How to Configure Docker with a Non-Root User on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Docker with a Non-Root User on Debian 9

Introduction This guide explains how to Configure Docker with a Non-Root User 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 […]

Read more
Oracle Linux 8 — go-toolset:ol8 — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — go-toolset:ol8 — security and stability fixes — required update (ELSA-2021-5160)

🟠 High   ⏱ 15–60 min  Last verified: 13 July 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-5160 Related CVEs: CVE-2021-44716 CVE-2021-44717 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

Read more
FreeBSD 13 — chocolate-doom — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — chocolate-doom — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: chocolate-doom — Arbitrary code execution Related CVEs: CVE-2020-14983 Upstream summary: Michal Dardas from LogicalTrust reports: The server in Chocolate Doom 3.0.0 and Crispy Doom 5.8.0 doesn't validate the user-controlled num_players […]

Read more
Common Problems 121661

Debian 9 – Docker overlay2 No Space Left on Device – Host Cleanup Playbook

🟠 High   ⏱ 5–30 min  Last verified: 13 July 2021 Affected versions: Debian 9 📖 ~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
FreeBSD 13 — squidclamav — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — squidclamav — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: squidclamav — cross-site scripting in default virus warning pages Related CVEs: CVE-2012-3501 CVE-2012-4667 Upstream summary: SquidClamav developers report: This release fix several security issues by escaping CGI parameters. Prior to […]

Read more
How to Install phpMyAdmin on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Install phpMyAdmin on FreeBSD 13

Introduction Deploying install phpmyadmin 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 base + […]

Read more
CHAT