chris

Oracle Linux 8 — Cockpit web console Services page unable to search services by state — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Cockpit web console Services page unable to search services by state

🟠 High   ⏱ 5–30 min  Last verified: 6 February 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: Oracle Bug 30286168 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 […]

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Common Problems 119043

Ubuntu 14.04 LTS MySQL service fails to start

🟡 Medium   ⏱ 5–30 min  Last verified: 6 February 2021 📖 ~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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IBM AIX 7.2 — CVE-2021-39033 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2021-39033 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 6 February 2021 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2021-39033, IBM Support Bulletin CVE: CVE-2021-39033 NVD summary: IBM Sterling B2B Integrator Standard Edition 6.0.0.0 through 6.0.3.5 and 6.1.0.0 through 6.1.1.0 could allow a remote attacker to obtain sensitive information when a […]

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Common Problems 118056

Ubuntu 18.04 LTS – time sync unstable due to chrony and systemd-timesyncd conflict – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 6 February 2021 Affected versions: Ubuntu 18.04 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 […]

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Ubuntu 16.04 — wkhtmltopdf — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — wkhtmltopdf — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 February 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6232-1 Related CVEs: CVE-2020-21365 Upstream summary: It was discovered that wkhtmltopdf was not properly enforcing the same-origin policy when processing certain HTML files. If a user or automated system using […]

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Common Problems 115400

YUM Mirror Timeout and Slow Repository Response

🟡 Medium   ⏱ 5–30 min  Last verified: 6 February 2021 📖 ~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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How to Deploy a Rust Web Application on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Deploy a Rust Web Application on Oracle Linux 8

Introduction How to Deploy a Rust Web Application on Oracle Linux 8 on Oracle Linux 8 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting […]

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Common Problems 112919

Windows Server 2016 – Failover cluster heartbeat network drops trigger node eviction – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 6 February 2021 Affected versions: Windows Server 2016 📖 ~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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Automating Test Environments With CircleCI — step-by-step Devops tutorial on Progressive Robot

Automating Test Environments With CircleCI

Build faster, more resilient pipelines — automate your development process with continuous integration using CircleCI and the cloud provider to reduce cost and increase velocity without compromising quality.

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JSF Authentication Login Logout Database Example — step-by-step Programming tutorial on Progressive Robot

JSF Authentication Login Logout Database Example

URL: https://www.progressiverobot.com/jsf-authentication-login-logout-database-example/ Authentication mechanism allows users to have secure access to the application by validating the username and password. We will be using JSF view for login, DAO object ,HttpSession for session management, JSF managed bean and mysql database. Lets now look in detail as how to create a JSF login logout authentication mechanism in […]

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