IT, Cloud & DevOps Blog

How to Configure WMI on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure WMI on Windows Server 2019

Introduction to WMI on Windows Server 2019 Windows Management Instrumentation (WMI) is a core Windows infrastructure technology that provides a standardized interface for managing and monitoring Windows systems. WMI implements the Distributed Management Task Force (DMTF) Common Information Model (CIM) standard, making it an industry-standard approach to system management. On Windows Server 2019, WMI exposes […]

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How To Install and Configure ownCloud on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How To Install and Configure ownCloud on Ubuntu 16.04

ownCloud is a file sharing server that permits you to store your personal content, like documents and pictures, in a centralized location, much like Dropbox. The difference with ownCloud is that it is free and open-source, which allows anyone to use and examine it. It also returns the control and security of your sensitive data back to you, thus eliminating the utilization of a third-party cloud hosting service.

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How To Back Up Your OrientDB Databases on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Back Up Your OrientDB Databases on Ubuntu 14.04

OrientDB is a multi-model, NoSQL database with support for graph and document databases. An OrientDB database can be backed up using a backup script and also via the command line interface, with built-in support for compression of backup files using the ZIP algorithm.

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Oracle Linux 8 — bzip2 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — bzip2 — vulnerability — patch and remediation guide (ELSA-2025-0733)

🟡 Medium   ⏱ 10–30 min  Last verified: 27 July 2019 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-0733 Related CVEs: CVE-2019-12900 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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Arch Linux — lame — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — lame — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201710-11 Related CVEs: CVE-2017-15018 Upstream summary: Type: denial of service. Status: Fixed. Affected: 3.99.5-3. Fixed in: 3.99.5-4. Group: AVG-437. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Android Passing Data Between Fragments — step-by-step DevOps tutorial on Progressive Robot

Android Passing Data Between Fragments

In this tutorial, we'll be developing an application that contains TabLayout, ViewPager and Fragments. We'll implement a functionality that passes data from one Fragment to the other fragment. Android Passing Data between Fragments Intents are only usable for sending data on an Activity level. To pass data between fragments we need to create our own […]

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Common Problems 118113

Sudo: Unable to Resolve Hostname

🟡 Medium   ⏱ 5–30 min  Last verified: 26 July 2019 📖 ~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 & Cross-Refs References & Further […]

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Common Problems 112982

Windows Server 2016 — IPv6 stateless DHCP options not delivered reliably to dual-stack clients — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 26 July 2019 Affected versions: Windows Server 2016 📖 ~2 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 — openslp — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — openslp — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2010-3609 CVE-2016-4912 CVE-2016-7567 Upstream summary: The extension parser in slp_v2message.c in OpenSLP 1.2.1, and other versions before SVN revision 1647, as used in Service Location […]

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