June 2021 - Page 43 of 66

Oracle Linux 8 — Running dnf update glusterfs-* Command Fails to Upgrade Previously Installed Packages — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Running dnf update glusterfs-* Command Fails to Upgrade Previously Installed Packages

🟠 High   ⏱ 5–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: Oracle Bug 30279840 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 […]

Read more
AlmaLinux 8 — fprintd — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — fprintd — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALEA-2021:1889 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 […]

Read more
AlmaLinux 8 — mozjs52 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — mozjs52 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2020:1766 Related CVEs: CVE-2018-20337 CVE-2019-12447 CVE-2019-12448 CVE-2019-12449 CVE-2019-3825 Upstream summary: GNOME is the default desktop environment of AlmaLinux. Security Fix(es): * LibRaw: stack-based buffer overflow in the parse_makernote function of dcraw_common.cpp (CVE-2018-20337) […]

Read more
How to Set Up Link Aggregation (EtherChannel) on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Set Up Link Aggregation (EtherChannel) 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 set up link aggregation (etherchannel) on ibm aix 7.1 […]

Read more
How to Set Up FTP Server with vsftpd on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up FTP Server with vsftpd on FreeBSD 13

Introduction FreeBSD 13 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up set up ftp server with vsftpd on freebsd 13 on FreeBSD 13 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from […]

Read more
Gentoo Linux — sys-block/targetcli-fb — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — sys-block/targetcli-fb — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202008-22 Related CVEs: CVE-2020-10699 CVE-2020-13867 Upstream summary: Multiple vulnerabilities have been discovered in targetcli-fb. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & Reproduction […]

Read more
IBM AIX 7.1 — CVE-2020-4771 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.1

IBM AIX 7.1 — CVE-2020-4771 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 25 May 2026 Affected versions: IBM AIX 7.1 📖 ~4 min read  •  Source: NVD CVE-2020-4771, IBM Support Bulletin CVE: CVE-2020-4771 NVD summary: IBM Spectrum Protect Operations Center 8.1.0.000 through 8.1.10.and 7.1.0.000 through 7.1.11 could allow a remote attacker to obtain sensitive information, caused by improper authentication […]

Read more
FreeBSD 12 — tauthon — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — tauthon — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: tauthon — Regular Expression Denial of Service Related CVEs: CVE-2020-8492 Upstream summary: The :class:`~urllib.request.AbstractBasicAuthHandler` class of the :mod:`urllib.request` module uses an inefficient regular expression which can be exploited by an […]

Read more
OOPS Concepts in Java - OOPS Concepts Example — step-by-step Programming tutorial on Progressive Robot

OOPS Concepts in Java – OOPS Concepts Example

URL: https://www.progressiverobot.com/oops-concepts-java-example/ Object-Oriented Programming Concepts are very important for programming. Without having an idea about OOPS concepts, you will not be able to design systems in the object-oriented programming model. What is Object-Oriented Programming Model? The object-oriented programming model revolves around the concept of Objects. What is an Object? An object is an instance of […]

Read more
FreeBSD 13 — global — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — global — 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: global — gozilla vulnerability Related CVEs: CVE-2017-17531 Upstream summary: MITRE reports: gozilla.c in GNU GLOBAL 4.8.6 does not validate strings before launching the program specified by the BROWSER environment variable, […]

Read more
CHAT