Logging Monitoring

Ubuntu 16.04 — nss — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — nss — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 29 July 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8071-2 Related CVEs: CVE-2026-2781 CVE-2023-0767 CVE-2022-22747 CVE-2022-34480 CVE-2021-43527 CVE-2020-12403 CVE-2020-12400 CVE-2020-12401  +12 more Upstream summary: USN-8071-1 fixed a vulnerability in nss. This update provides the corresponding fix for Ubuntu 14.04 […]

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Common Problems 116101

Ubuntu 26.04 LTS – CUPS printer remains offline – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 29 July 2026 Affected versions: Ubuntu 26.04 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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SLES 15 — terraform-provider-tls — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — terraform-provider-tls — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 29 July 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:0757-1 (see also SUSE bugzilla) Related CVEs: CVE-2026-25934 Upstream summary: go-git is a highly extensible git implementation library written in pure Go. Prior to 5.16.5, a vulnerability was discovered in go-git whereby […]

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Common Problems 116041

Ubuntu 26.04 LTS – GNOME login loop after graphics update – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 29 July 2026 Affected versions: Ubuntu 26.04 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 Upgrade FreeBSD 14 to FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Upgrade FreeBSD 14 to FreeBSD 15

Introduction How to Upgrade FreeBSD 14 to FreeBSD 15 is a core administration task for any FreeBSD 15 server operator. FreeBSD 15 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, […]

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openSUSE Tumbleweed — dnsdist — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — dnsdist — multiple vulnerabilities (18 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2026-33598 CVE-2026-33254 CVE-2026-33593 CVE-2026-33594 CVE-2026-33595 CVE-2026-33597 CVE-2026-33599 CVE-2026-33602  +10 more Upstream summary: A cached crafted response can cause an out-of-bounds read if custom Lua code […]

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How to Configure the System Timezone on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Configure the System Timezone on FreeBSD 15

Introduction Deploying configure the system timezone on a FreeBSD 15 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 + ports […]

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SLES 16 — squid — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — squid — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 29 July 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2019:2975-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-12527 CVE-2020-15810 CVE-2020-15811 CVE-2025-59362 CVE-2025-62168 CVE-2016-3948 CVE-2016-4053 CVE-2018-1172  +12 more Upstream summary: An issue was discovered in Squid 4.0.23 through 4.7. When checking Basic Authentication […]

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Oracle Linux 10 — git-lfs — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — git-lfs — vulnerability — patch and remediation guide (ELSA-2026-4164)

🟠 High   ⏱ 15–60 min  Last verified: 29 July 2026 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-4164 Related CVEs: CVE-2025-61726 CVE-2025-61729 CVE-2025-68121 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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How to Install rkhunter on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install rkhunter on Debian 13

Introduction This guide explains how to Install rkhunter on Debian 13 on Debian 13 Trixie. Debian Trixie 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 13 install with the standard repositories […]

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