August 2021 - Page 60 of 65

Common Problems 114891

DNF metadata download timeout on RHEL 8

🟡 Medium   ⏱ 5–30 min  Last verified: 3 August 2021 📖 ~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 & Cross-Refs References & Further […]

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FreeBSD 13 — postfix-policyd-weight — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — postfix-policyd-weight — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 August 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: postfix-policyd-weight — working directory symlink vulnerability Upstream summary: postfix-policyd-weight does not check for symlink for its working directory. If the working directory is not already setup by the super root, […]

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How to Configure Virtual Memory with rmss on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure Virtual Memory with rmss 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 configure virtual memory with rmss on ibm aix 7.1 […]

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FreeBSD 13 — vinagre — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — vinagre — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 August 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: vinagre — format string vulnerability Related CVEs: CVE-2008-5660 Upstream summary: CORE Security Technologies reports: A format string error has been found on the vinagre_utils_show_error() function that can be exploited via […]

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How to Install Rust and Cargo on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install Rust and Cargo on RHEL 7

How to Install Rust and Cargo on RHEL 7 Rust is a systems programming language designed for safety, speed, and concurrency. It has quickly become one of the most loved languages among developers due to its memory safety guarantees, zero-cost abstractions, and powerful type system. Unlike garbage-collected languages, Rust achieves memory safety at compile time […]

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JUnit Display Name - @DisplayName — step-by-step Programming tutorial on Progressive Robot

JUnit Display Name – @DisplayName

URL: https://www.progressiverobot.com/junit-display-name-displayname/ JUnit @DisplayName annotation is used to provide a custom name for the test class and test methods. We can use spaces, special characters, and even emojis in the display name. JUnit Display Name Example By default, [JUnit](/community/tutorials/junit5-tutorial) reporting prints the class name and method name in the IDE test report. We can use […]

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

FreeBSD 12 — pjsip — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 August 2021 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: pjsip — Race condition in SSL socket server Related CVEs: CVE-2021-32686 Upstream summary: pjsip reports: There are a couple of issues found in the SSL socket: A race condition between […]

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How To Use *args and **kwargs in Python 3 — step-by-step Python tutorial on Progressive Robot

How To Use *args and **kwargs in Python 3

In this tutorial, we will cover the syntax of working with *args and **kwargs as parameters within functions to pass a variable number of arguments to a given function. Both can be used improve readability and convenience, and are best for situations where the number of inputs within the argument list will remain relatively small.

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