November 2020 - Page 35 of 59

Common Problems 118048

Ubuntu 18.04 LTS – DKMS module build fails after kernel upgrade – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 13 November 2020 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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How to Configure Network Time Protocol with chrony on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure Network Time Protocol with chrony on IBM AIX 7.1

Introduction IBM AIX 7.1 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure network time protocol with chrony on ibm aix […]

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How to Set Up IBM Db2 pureScale on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Set Up IBM Db2 pureScale on IBM AIX 7.1

Introduction IBM AIX 7.1 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to set up ibm db2 purescale on ibm aix 7.1 […]

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How to Configure Network Interfaces with nmcli on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure Network Interfaces with nmcli on Oracle Linux 8

Introduction How to Configure Network Interfaces with nmcli 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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SQL Injection in Java and How to Easily Prevent it — step-by-step Programming tutorial on Progressive Robot

SQL Injection in Java and How to Easily Prevent it

URL: https://www.progressiverobot.com/sql-injection-in-java/ What is SQL Injection? SQL Injection is one of the top 10 web application vulnerabilities. In simple words, SQL Injection means injecting/inserting SQL code in a query via user-inputted data. It can occur in any applications using relational databases like Oracle, MySQL, PostgreSQL and SQL Server. To perform SQL Injection, a malicious user […]

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

Oracle Linux 8 — zlib — vulnerability — patch and remediation guide (ELSA-2022-1642)

🟠 High   ⏱ 15–60 min  Last verified: 13 November 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-1642 Related CVEs: CVE-2018-25032 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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How To Install Apache Tomcat 9 on Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

How To Install Apache Tomcat 9 on Ubuntu 18.04

Apache Tomcat is a web server and servlet container that is used to serve Java applications. Tomcat is an open source implementation of the Java Servlet and JavaServer Pages technologies, released by the Apache Software Foundation. In this tutorial, you will install and configure Tomcat 9 on your Ubuntu 18.04 server.

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How To Use PostgreSQL with Your Ruby on Rails Application on macOS — step-by-step Databases tutorial on Progressive Robot

How To Use PostgreSQL with Your Ruby on Rails Application on macOS

When using the Ruby on Rails web framework, the PostgreSQL database could be a robust and flexible choice for your application. In this tutorial, you will set up a Ruby on Rails development environment connected to a PostgreSQL database on a local macOS machine. You will install and configure PostgreSQL, and then test your setup by creating a Rails application that uses PostgreSQL as its database server.

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Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2020-5884)

🟠 High   ⏱ 15–60 min  Last verified: 13 November 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-5884 Related CVEs: CVE-2020-25284 CVE-2020-14314 CVE-2020-14385 CVE-2020-14386 CVE-2020-14356 CVE-2020-25212 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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