Logging Monitoring

How to Configure Remote Desktop Connection Broker on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure Remote Desktop Connection Broker on Windows Server 2016

How to Configure Windows Server 2016 Remote Desktop Connection Broker Remote Desktop Connection Broker (RD Connection Broker) is the intelligence layer in a Windows Server 2016 Remote Desktop Services deployment. It manages session reconnection, load balancing across multiple RD Session Host servers, and publishing of RemoteApp programs and virtual desktops from a centralised collection. Without […]

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SLES 15 — libldns2 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libldns2 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 21 November 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2011:1161-1 (see also SUSE bugzilla) Related CVEs: CVE-2011-3581 Upstream summary: Heap-based buffer overflow in the ldns_rr_new_frm_str_internal function in ldns before 1.6.11 allows remote attackers to cause a denial of service (crash) and […]

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

Oracle Linux 8 — file — vulnerability — patch and remediation guide (ELSA-2021-4374)

🟡 Medium   ⏱ 10–30 min  Last verified: 21 November 2019 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4374 Related CVEs: CVE-2019-18218 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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How to Enable HTTP/2 with Nginx on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Enable HTTP/2 with Nginx on RHEL 7

How to Enable HTTP/2 with Nginx on RHEL 7 HTTP/2 is the major revision of the HTTP network protocol that brings multiplexed streams, header compression, and server push to web traffic. Compared to HTTP/1.1, HTTP/2 dramatically reduces page load times on sites with many assets by eliminating head-of-line blocking and reducing the overhead of repeated […]

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

openSUSE Tumbleweed — whois — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2011:0935-1 (see also SUSE bugzilla) Related CVEs: CVE-2011-2483 Upstream summary: crypt_blowfish before 1.1, as used in PHP before 5.3.7 on certain platforms, PostgreSQL before 8.4.9, and other products, does not properly handle […]

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How to Configure RAID with mdadm on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure RAID with mdadm on Debian 9

Introduction How to Configure RAID with mdadm on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch 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 9. […]

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FreeBSD 12 — atril — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — atril — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 November 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: evince and atril — command injection vulnerability in CBT handler Related CVEs: CVE-2017-1000083 Upstream summary: GNOME reports: The comic book backend in evince 3.24.0 (and earlier) is vulnerable to a […]

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How to Configure Windows Server 2019 Automatic Updates — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure Windows Server 2019 Automatic Updates

How to Configure Windows Server 2019 Automatic Updates Keeping Windows Server 2019 patched is a critical security and operational requirement. Automatic Updates can be configured through multiple channels: the built-in Windows Update settings, Group Policy Objects (GPOs), registry keys, or PowerShell. This guide covers each approach in detail, including how to control update timing, classify […]

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FreeBSD 12 — twiki — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — twiki — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 20 November 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: twiki — remote Perl code execution Related CVEs: CVE-2004-1037 CVE-2006-3336 CVE-2008-3195 CVE-2008-5304 CVE-2008-5305 CVE-2014-7236 Upstream summary: TWiki developers report: The debugenableplugins request parameter allows arbitrary Perl code execution. Using an […]

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Amazon Linux 2 — fuse — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — fuse — 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 ALAS2-2018-1123 Related CVEs: CVE-2018-10906 Upstream summary: A vulnerability was discovered in fuse. When SELinux is active, fusermount is vulnerable to a restriction bypass. This allows non-root users to mount a […]

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