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Python System Command - os.system(), subprocess.call() — step-by-step Python tutorial on Progressive Robot

Python System Command – os.system(), subprocess.call()

URL: https://www.progressiverobot.com/python-system-command-os-subprocess-call/ In this tutorial we will learn about Python System Command. Previously we learned about [Python Random Number](/community/tutorials/python-random-number). Python System Command While making a program in python, you may need to exeucte some shell commands for your program. For example, if you use Pycharm IDE, you may notice that there is option to share […]

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Hibernate Many To Many Mapping - Join Tables — step-by-step DevOps tutorial on Progressive Robot

Hibernate Many To Many Mapping – Join Tables

Today we will look into Hibernate Many to Many Mapping using XML and annotation configurations. Earlier we looked how to implement [One To One](/community/tutorials/hibernate-one-to-one-mapping-example-annotation "Hibernate One to One Mapping") and [One To Many mapping](/community/tutorials/hibernate-one-to-many-mapping-annotation "Hibernate One To Many Mapping") in Hibernate. Hibernate Many to Many Many-to-Many mapping is usually implemented in database using a Join […]

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How to Install Deno on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install Deno on RHEL 10

Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying install deno both straightforward and auditable. This tutorial covers the complete procedure for how to Install Deno on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. Prerequisites The procedure assumes you are […]

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FreeBSD 12 — x11vnc — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — x11vnc — multiple vulnerabilities (2 CVEs) — 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: x11vnc — access to shared memory segments Related CVEs: CVE-2006-2450 CVE-2020-29074 Upstream summary: [email protected] reports: scan.c in x11vnc 0.9.16 uses IPC_CREAT|0777 in shmget calls, which allows access by actors other […]

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Oracle Linux 8 — kernel — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — kernel — security and stability fixes — required update (ELSA-2020-0339)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-0339 Related CVEs: CVE-2019-14814 CVE-2019-14816 CVE-2019-14898 CVE-2019-14895 CVE-2019-17666 CVE-2019-19338 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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