Linux

openSUSE Tumbleweed — openexr — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — openexr — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SR:2009:014 (see also SUSE bugzilla) Related CVEs: CVE-2009-1720 CVE-2009-1721 Upstream summary: Multiple integer overflows in OpenEXR 1.2.2 and 1.6.1 allow context-dependent attackers to cause a denial of service (application crash) or possibly […]

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openSUSE Tumbleweed — log4net — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — log4net — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2018-1285 CVE-2006-0743 Upstream summary: Apache log4net versions before 2.0.10 do not disable XML external entities when parsing log4net configuration files. This allows for XXE-based attacks […]

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Gentoo Linux — dev-python/thrift — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-python/thrift — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202107-32 Related CVEs: CVE-2019-0205 CVE-2019-0210 CVE-2020-13949 Upstream summary: Multiple vulnerabilities have been discovered in Apache Thrift. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment […]

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How To Enable SFTP Without Shell Access on Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

How To Enable SFTP Without Shell Access on Ubuntu 18.04

In a standard configuration, the SSH server grants file transfer access and terminal shell access to all users with an account on the system. In this tutorial, we’ll set up the SSH daemon to limit SFTP access to one directory with no SSH access allowed on per user basis on an Ubuntu 18.04 server.

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Alpine Linux edge — f2fs-tools — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — f2fs-tools — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.14.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — f2fs-tools 1.14.0-r0 Related CVEs: CVE-2020-6104 CVE-2020-6105 CVE-2020-6106 CVE-2020-6107 CVE-2020-6108 Upstream summary: Alpine main repository for vedge ships f2fs-tools 1.14.0-r0 which addresses CVE-2020-6104. Table of contents […]

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Common Problems 118429

Ubuntu 16.04 LTS SSH Authentication Fails After Hardening

🟠 High   ⏱ 5–30 min  Last verified: 29 January 2020 Affected versions: 16.04 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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Common Problems 118108

Ubuntu 18.04 Failed Automatic Security Upgrades from GPG Key Errors

🟡 Medium   ⏱ 5–30 min  Last verified: 29 January 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 […]

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openSUSE Tumbleweed — minikube — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — minikube — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory Related CVEs: CVE-2018-1002103 Upstream summary: In Minikube versions 0.3.0-0.29.0, minikube exposes the Kubernetes Dashboard listening on the VM IP at port 30000. In VM environments where the IP is easy to […]

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How to Install ClickHouse on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install ClickHouse on Debian 10

Introduction This guide explains how to Install ClickHouse 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 the standard repositories […]

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