chris

How to Configure Kubernetes Ingress Controller on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Configure Kubernetes Ingress Controller on FreeBSD 15

Introduction Deploying configure kubernetes ingress controller 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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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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