Systemd Services

How to Enable OCSP Stapling on Nginx on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Enable OCSP Stapling on Nginx on Debian 10

Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up enable ocsp stapling on nginx on debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow each step carefully […]

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FreeBSD 12 — php55-bz — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — php55-bz — multiple vulnerabilities (12 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: php — multiple vulnerabilities Related CVEs: CVE-2015-8879 CVE-2016-5385 CVE-2016-5399 CVE-2016-6288 CVE-2016-6289 CVE-2016-6290 CVE-2016-6291 CVE-2016-6292  +4 more Upstream summary: PHP reports: Fixed bug #69975 (PHP segfaults when accessing nvarchar(max) defined columns) […]

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

openSUSE Tumbleweed — kdm — vulnerability — 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:2010:009 (see also SUSE bugzilla) Related CVEs: CVE-2010-0436 Upstream summary: Race condition in backend/ctrl.c in KDM in KDE Software Compilation (SC) 2.2.0 through 4.4.2 allows local users to change the permissions of […]

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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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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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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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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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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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