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Reduce File Size of Images in Linux - CLI and GUI methods — step-by-step Linux tutorial on Progressive Robot

Reduce File Size of Images in Linux – CLI and GUI methods

URL: https://www.progressiverobot.com/reduce-file-size-of-images-linux/ In this article, we talk about the different ways to reduce the file size of images in Linux. With the increase in the focus on the quality of images, the image file sizes have been increasing tremendously. There is a constant need of reducing the file size of such large images, therefore, we […]

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Python Command Line Arguments — step-by-step Python tutorial on Progressive Robot

Python Command Line Arguments

URL: https://www.progressiverobot.com/python-command-line-arguments/ Python Command line arguments are input parameters passed to the script when executing them. Almost all programming language provide support for command line arguments. Then we also have command line options to set some specific options for the program. Python Command Line Arguments There are many options to read python command line arguments. […]

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Debian 11 — doas — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — doas — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 February 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-28339 Upstream summary: OpenDoas through 6.8.2, when TIOCSTI is available, allows privilege escalation because of sharing a terminal with the original session. NOTE: TIOCSTI is unavailable in OpenBSD […]

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How to Build Custom Windows Server Images with Packer on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Build Custom Windows Server Images with Packer on Windows Server 2022

Packer Overview and Why Use It for Windows Server Images Packer is an open-source tool from HashiCorp that automates the creation of identical machine images for multiple platforms from a single configuration source. Instead of manually installing and configuring Windows Server 2022, patching it, installing agents, and then capturing it — a process prone to […]

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Windows Server 2016 — KB5025279 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5025279 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5025279 • MSRC update-guide entry Related CVEs: CVE-2023-21554 CVE-2023-28219 CVE-2023-28220 CVE-2023-28231 CVE-2023-28232 CVE-2023-28250 CVE-2023-21769 CVE-2023-21729  +12 more Affected components: Windows Server 2016 Windows Server 2016 (Server Core installation) Table of contents Symptom […]

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How to Set Up Shiny Server on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How to Set Up Shiny Server on Ubuntu 16.04

In this tutorial, you’ll install and configure Shiny and the open-source version of Shiny Server on a server running Ubuntu 16.04, secure the connection to the Shiny server using a Let’s Encrypt digital certificate and then install an additional package to run interactive R Markdown documents.

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Debian 11 — nuitka — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — nuitka — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 February 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-2054 Upstream summary: Code Injection in GitHub repository nuitka/nuitka prior to 0.9. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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How to Install and Configure Ansible on CentOS 7 — step-by-step Linux tutorial on Progressive Robot

How to Install and Configure Ansible on CentOS 7

Configuration management systems are designed to make controlling large numbers of servers easy for administrators and operations teams. While there are many popular configuration management systems available for Linux systems, they are often more complex than many people want or need. **Ansible** is a great alternative to these options because it has a much smaller overhead to get started.

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