March 2021 - Page 7 of 63

How To Style Images With CSS — step-by-step DevOps tutorial on Progressive Robot

How To Style Images With CSS

In this tutorial, you will learn how to style images with CSS to change the border, shape, and size of the image. CSS is a powerful tool for styling images as it allows you to quickly apply uniform styling to images across your website.

Read more
Common Problems 125154

Oracle Linux 8 – Common Problem 019 – Diagnosis and Fix

🟡 Medium   ⏱ 5–30 min  Last verified: 28 March 2021 Affected versions: Oracle Linux 8 📖 ~3 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 […]

Read more
Common Problems 118920

Ubuntu 14.04 LTS Stuck at GRUB Prompt After Kernel Cleanup

🟠 High   ⏱ 5–30 min  Last verified: 28 March 2021 Affected versions: 14.04 LTS 📖 ~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 & […]

Read more
openSUSE Tumbleweed — deluge — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — deluge — multiple vulnerabilities (2 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-2021-3427 CVE-2017-9031 Upstream summary: The Deluge Web-UI is vulnerable to XSS through a crafted torrent file. The the data from torrent files is not properly […]

Read more
Common Problems 118045

Ubuntu 18.04 LTS – time drift causes TLS certificate validation errors

🟠 High   ⏱ 5–30 min  Last verified: 28 March 2021 Affected versions: Ubuntu 18.04 LTS Ubuntu 18.04 Ubuntu 18.04.6 📖 ~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 […]

Read more
How to Install Cassandra on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Install Cassandra on SLES 15

Introduction This tutorial covers How to Install Cassandra 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 refresh && […]

Read more
IBM AIX 7.2 — CVE-2021-20483 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2021-20483 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 28 March 2021 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2021-20483, IBM Support Bulletin CVE: CVE-2021-20483 NVD summary: IBM Security Identity Manager 6.0.2 is vulnerable to server-side request forgery (SSRF). By sending a specially crafted request, a remote authenticated attacker could exploit […]

Read more
What is NoSQL? — step-by-step DevOps tutorial on Progressive Robot

What is NoSQL?

NoSQL is a term generally used to describe any database management system that uses a data model other than the relational model.

Read more
CHAT