October 2021 - Page 20 of 69

How to Configure Software Load Balancer with SDN on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure Software Load Balancer with SDN on Windows Server 2016

How to Configure Windows Server 2016 Software Load Balancer Software Load Balancer (SLB) is a core component of the Software Defined Networking (SDN) stack in Windows Server 2016 Datacenter edition. It distributes network traffic across multiple virtual machines or services using the same load balancing algorithms and capabilities as hardware load balancers, but implemented entirely […]

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SLES 15 — ant — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — ant — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:712-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-11979 CVE-2021-42550 CVE-2021-36373 CVE-2021-36374 CVE-2013-1571 CVE-2018-10886 CVE-2020-1945 Upstream summary: As mitigation for CVE-2020-1945 Apache Ant 1.10.8 changed the permissions of temporary files it created so […]

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How To Install and Use Mosh on a VPS — step-by-step Linux tutorial on Progressive Robot

How To Install and Use Mosh on a VPS

Mosh takes all the security benefits of SSH and builds upon it a greater tolerance to poor network conditions and roaming connections. It also increases responsiveness and lowers bandwidth usage by only communicating state changes to the currently visible screen region rather than transmitting complete buffers.

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Oracle Linux 8 — java-11-openjdk — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — java-11-openjdk — vulnerability — patch and remediation guide (ELSA-2021-1307)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-1307 Related CVEs: CVE-2021-2163 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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Cloud Servers Checkpoint — step-by-step Linux tutorial on Progressive Robot

Cloud Servers Checkpoint

This checkpoint will help you assess what you have learned from these introductory articles on cloud computing, cloud servers, and the Linux command line. You can test your knowledge with interactive components and find opportunities for continued learning and Linux server management.

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AlmaLinux 8 — ndctl — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — ndctl — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2022:2058 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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FreeBSD 13 — postgresql-contrib — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — postgresql-contrib — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: postgresql-contrib — insecure temporary file creation Related CVEs: CVE-2004-0977 Upstream summary: The make_oidjoins_check script in the PostgreSQL RDBMS has insecure handling of temporary files, which could lead to an attacker […]

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