January 2020 - Page 40 of 62

FreeBSD 12 — p5-Archive-Zip — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — p5-Archive-Zip — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 January 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: p5-Archive-Zip — virus detection evasion Upstream summary: An AMaViS Security Announcement reports that a vulnerability exist in the Archive::Zip Perl module which may lead to bypass of malicious code in […]

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How to Set Up Windows Server 2019 Environment Variables — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Windows Server 2019 Environment Variables

How to Set Up Windows Server 2019 Environment Variables Environment variables in Windows Server 2019 are named string values that applications and scripts use to retrieve system information, locate files, and configure behaviour without hardcoding paths. Variables like PATH determine where the system looks for executable files, while variables like TEMP and WINDIR point to […]

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Oracle Linux 8 — libwmf — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libwmf — vulnerability — patch and remediation guide (ELSA-2019-2722)

🟢 Low   ⏱ 5–15 min  Last verified: 12 January 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-2722 Related CVEs: CVE-2019-6978 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Dockerのイメージ、コンテナおよびボリュームを削除する方法 — step-by-step Docker tutorial on Progressive Robot

Dockerのイメージ、コンテナおよびボリュームを削除する方法

Dockerには直接クリーンアップするコマンドはありませんが、コマンドラインからシステムをクリーンアップするために必要なすべてのツールが用意されています。この早見表式のガイドでは、未使用のDockerのイメージ、コンテナ、およびボリュームを削除することでディスク領域を解放し、システムを整理しておくのに役立つコマンドを簡単に参照できます。

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FreeBSD 12 — krb — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — krb — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 12 January 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: krb5 — Double-free in KDC TGS processing Related CVEs: CVE-2002-2443 CVE-2004-0642 CVE-2004-0643 CVE-2004-0644 CVE-2004-0772 CVE-2004-1189 CVE-2010-0283 CVE-2010-0628  +12 more Upstream summary: The MIT krb5 Team reports: When issuing a ticket […]

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

openSUSE Tumbleweed — luajit — vulnerability — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2020:198-1 Related CVEs: CVE-2019-19391 Upstream summary: In LuaJIT through 2.0.5, as used in Moonjit before 2.1.2 and other products, debug.getinfo has a type confusion issue that leads to arbitrary memory write or […]

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5 Common Server Setups For Your Web Application — step-by-step Web Servers tutorial on Progressive Robot

5 Common Server Setups For Your Web Application

When deciding which server architecture to use for your environment, there are many factors to consider, such as performance, scalability, availability, reliability, cost, and ease of management. Here is a list of commonly used server setups, with a short description of each, including pros and cons. Keep in mind that all of the concepts covered here can be used in various combinations with one another, and there is no single, correct configuration.

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How to Set Up NFS File Sharing on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Set Up NFS File Sharing on RHEL 8

Network File System (NFS) is a distributed filesystem protocol that allows RHEL 8 servers to export directories over the network so that client machines can mount and use them as if they were local storage. NFS is a cornerstone of Linux infrastructure, used in everything from home lab setups to large-scale HPC clusters and virtualization […]

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Common Problems 113130

Windows Server 2016 — TLS handshake to internal services fails after cipher policy changes — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 11 January 2020 Affected versions: Windows Server 2016 📖 ~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 Set Up Alertmanager Email Notifications on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up Alertmanager Email Notifications on Debian 9

Introduction This guide explains how to Set Up Alertmanager Email Notifications 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 with […]

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