July 2021 - Page 33 of 64

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

Amazon Linux 2 — telnet — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2020-1422 Related CVEs: CVE-2020-10188 Upstream summary: utility.c in telnetd in netkit telnet through 0.17 allows remote attackers to execute arbitrary code via short writes or urgent data, because of a […]

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Initial Server Setup with IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

Initial Server Setup with IBM AIX 7.2

Introduction IBM AIX 7.2 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 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to server setup with ibm aix 7.2 on IBM AIX […]

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SLES 15 — colord — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — colord — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 16 July 2021 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:3496-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-42523 CVE-2011-4349 Upstream summary: There are two Information Disclosure vulnerabilities in colord, and they lie in colord/src/cd-device-db.c and colord/src/cd-profile-db.c separately. They exist because the 'err_msg' […]

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SLES 15 — libtirpc3 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libtirpc3 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 16 July 2021 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2022:2025-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-46828 Upstream summary: In libtirpc before 1.3.3rc1, remote attackers could exhaust the file descriptors of a process that uses libtirpc because idle TCP connections are […]

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Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide (ELSA-2021-9451)

🟠 High   ⏱ 15–60 min  Last verified: 16 July 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-9451 Related CVEs: CVE-2021-22543 CVE-2021-3609 CVE-2021-3653 CVE-2021-3573 CVE-2021-3656 CVE-2020-36311 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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

Oracle Linux 8 — pcs — vulnerability — patch and remediation guide (ELSA-2021-9552)

🟢 Low   ⏱ 5–15 min  Last verified: 16 July 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-9552 Related CVEs: CVE-2020-11023 CVE-2020-7656 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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Understanding Vector insert() in C++ — step-by-step Programming tutorial on Progressive Robot

Understanding Vector insert() in C++

URL: https://www.progressiverobot.com/vector-insert-in-c-plus-plus/ Introduction In this tutorial, we are going to learn about vector insert() in C++. As well as look at how it works and can be used to accomplish the insertion operation in different ways with examples. The vector::insert() function in C++ Basically, the vector::insert() function from the STL in C++ is used to […]

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Arch Linux — lib32-curl — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — lib32-curl — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201805-14 Related CVEs: CVE-2018-1000301 CVE-2018-1000300 CVE-2021-22901 CVE-2021-22898 CVE-2019-5436 CVE-2019-5435 CVE-2019-3823 CVE-2019-3822  +12 more Upstream summary: Type: multiple issues. Status: Fixed. Affected: 7.59.0-1. Fixed in: 7.60.0-1. Group: AVG-695. Table of contents […]

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How To Use CASE Expressions in SQL — step-by-step DevOps tutorial on Progressive Robot

How To Use CASE Expressions in SQL

CASE expressions are a feature in Structured Query Language (SQL) that allow you to apply similar logic to database queries and set conditions on how you want to return or display the values in your result set. In this tutorial, you’ll learn how to use the CASE expression to set conditions on your data using WHEN, THEN, ELSE, and END keywords.

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