Logging Monitoring

How to Install Rust with rustup on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install Rust with rustup on Debian 10

Introduction How to Install Rust with rustup on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 10. […]

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Alpine Linux edge — gitolite — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — gitolite — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 3.6.11-r0 📖 ~4 min read  •  Source: Alpine secdb entry — gitolite 3.6.11-r0 Related CVEs: CVE-2018-20683 Upstream summary: Alpine main repository for vedge ships gitolite 3.6.11-r0 which addresses CVE-2018-20683. Table of contents Symptom & Impact Environment […]

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How to Configure TCP/IP Networking on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure TCP/IP Networking on IBM AIX 7.1

Introduction IBM AIX 7.1 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure tcp/ip networking on ibm aix 7.1 on IBM […]

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How to Install and Configure DB2 on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Install and Configure DB2 on IBM AIX 7.2

Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to install and configure db2 on ibm aix 7.2 on […]

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Amazon Linux 2 — python-cryptography — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — python-cryptography — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2025-2930 Related CVEs: CVE-2020-25659 Upstream summary: python-cryptography 3.2 is vulnerable to Bleichenbacher timing attacks in the RSA decryption API, via timed processing of valid PKCS#1 v1.5 ciphertext. (CVE-2020-25659) Table of […]

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openSUSE Tumbleweed — perl-XML-Twig — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — perl-XML-Twig — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2020:1177-1 (see also SUSE bugzilla) Related CVEs: CVE-2016-9180 Upstream summary: perl-XML-Twig: The option to `expand_external_ents`, documented as controlling external entity expansion in XML::Twig does not work. External entities are always expanded, regardless […]

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Common Problems 112992

Windows Server 2016 — RRAS NAT translation table saturation causes outbound traffic drops during peak usage — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 23 June 2020 Affected versions: Windows Server 2016 📖 ~2 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 112433

Windows Server 2019 — DNSSEC validation failures after trust anchor rollover on Windows Server 2019 resolvers — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 23 June 2020 Affected versions: Windows Server 2019 📖 ~2 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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Alpine Linux edge — json-c — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — json-c — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.14-r1 📖 ~4 min read  •  Source: Alpine secdb entry — json-c 0.14-r1 Related CVEs: CVE-2020-12762 Upstream summary: Alpine main repository for vedge ships json-c 0.14-r1 which addresses CVE-2020-12762. Table of contents Symptom & Impact Environment […]

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FreeBSD 12 — tnef — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — tnef — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 23 June 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: tnef — An attacker may be able to write to the victim's .ssh/authorized_keys file via an e-mail message Related CVEs: CVE-2017-6307 CVE-2017-6308 CVE-2017-6309 CVE-2017-6310 CVE-2019-18849 Upstream summary: [email protected] reports: In […]

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