June 2021 - Page 61 of 66

How to Implement Mandatory Access Control on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Implement Mandatory Access Control on SLES 15

Introduction This tutorial covers How to Implement Mandatory Access Control on SLES 15 on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 15 system is up to date: zypper […]

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Common Problems 114013

RHEL 10 – systemctl daemon-reload required loop after unit override changes – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: RHEL 10 📖 ~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 & […]

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openSUSE Tumbleweed — glade — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — glade — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2024:0983-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-36774 Upstream summary: plugins/gtk+/glade-gtk-box.c in GNOME Glade before 3.38.1 and 3.39.x before 3.40.0 mishandles widget rebuilding for GladeGtkBox, leading to a denial of service (application […]

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How to Profile CPU with tprof on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Profile CPU with tprof on 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 profile cpu with tprof on ibm aix 7.2 on […]

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openSUSE Tumbleweed — go1.13 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — go1.13 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2020:1087-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-15586 CVE-2020-14039 CVE-2020-16845 Upstream summary: Go before 1.13.13 and 1.14.x before 1.14.5 has a data race in some net/http servers, as demonstrated by the httputil.ReverseProxy […]

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IBM AIX 7.2 — CVE-2021-20562 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2021-20562 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 25 May 2026 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2021-20562, IBM Support Bulletin CVE: CVE-2021-20562 NVD summary: IBM Sterling B2B Integrator Standard Edition 5.2.0.0 through 5.2.6.5_3 and 6.1.0.0 through 6.1.0.2 vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary […]

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FreeBSD 13 — gnutls-devel — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — gnutls-devel — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: gnutls — multiple certificate verification issues Related CVEs: CVE-2006-4790 CVE-2009-1415 CVE-2009-1416 CVE-2009-1417 CVE-2009-2730 CVE-2012-1569 CVE-2012-1573 CVE-2014-0092  +1 more Upstream summary: GnuTLS project reports: A vulnerability was discovered that affects the […]

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Scala Interview Questions and Answers — step-by-step DevOps tutorial on Progressive Robot

Scala Interview Questions and Answers

URL: https://www.progressiverobot.com/scala-interview-questions-answers/ Welcome to Scala interview questions and answers. Now-a-days, most of the Finance/Banking, Government, Telecom, Social Networking etc. companies are using Scala, Play and Akka Framework to develop their projects because these frameworks support both OOPs and FP features and also provide many advantages. Scala Interview Questions ![scala interview questions](images/scala-interview-questions-answers-section-1.png) I am going to […]

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How to Audit Security with Lynis on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Audit Security with Lynis 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 audit security with lynis 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 any Linux […]

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Ubuntu 18.04 — linux-azure — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — linux-azure — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4325-1 Related CVEs: CVE-2019-19046 CVE-2020-8428 CVE-2019-19053 CVE-2019-19056 CVE-2019-19058 CVE-2019-19059 CVE-2019-19066 CVE-2019-19068  +12 more Upstream summary: It was discovered that the IPMI message handler implementation in the Linux kernel did not […]

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