July 2021 - Page 35 of 69

How to Tune AIX for Oracle Database Performance on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Tune AIX for Oracle Database Performance 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 tune aix for oracle database performance on ibm aix […]

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Debian 10 — teeworlds — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — teeworlds — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-12066 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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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: 25 May 2026 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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How to Configure Nginx Server Blocks (Virtual Hosts) on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Install a LEMP Stack on Ubuntu 26.04

A LEMP stack — Linux, Nginx, MySQL, and PHP — is a popular open-source web platform for hosting dynamic websites and web applications. This guide installs and configures all four components on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS server A user with sudo privileges UFW firewall enabled […]

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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: 25 May 2026 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: 25 May 2026 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: 25 May 2026 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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