Linux

Oracle Linux 8 — mysql:8.0 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — mysql:8.0 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2023-3087)

  • October 14, 2020
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 14 October 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-3087 Related CVEs: CVE-2023-21875 CVE-2023-21917 CVE-2022-21604 CVE-2022-39400 CVE-2023-21863 CVE-2023-21871 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Common Problems 118469

Ubuntu 16.04 LTS Swap Exhaustion Triggers OOM Kills

  • October 14, 2020
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 14 October 2020 Affected versions: 16.04 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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Top 7 Best Linux Distros For Laptops — step-by-step Linux tutorial on Progressive Robot

Top 7 Best Linux Distros For Laptops

  • October 14, 2020
  • Linux
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URL: https://www.progressiverobot.com/top-best-linux-distros-for-laptops/ If you're looking for the best Linux distros for your laptops, look no further. It has been a common myth that [Linux-based distros](/community/tutorials/top-best-linux-distros) are mainly suited to servers and high-end cloud devices, Linux is perfect to be run as your daily driver on your laptop. One can even go as far as saying […]

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How To Use Foreign Keys in SQL — step-by-step Linux tutorial on Progressive Robot

How To Use Foreign Keys in SQL

  • October 14, 2020
  • Linux
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When working on a large SQL project, you must maintain the accuracy and consistency of data across all tables using foreign keys. This is where referential integrity comes into play. Referential integrity ensures all data references are valid in SQL and prevents inconsistent entries or orphaned records. In this tutorial, you’ll enforce referential integrity with foreign keys on your database.

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How To Set Up an Artillery Honeypot on an Ubuntu VPS — step-by-step Linux tutorial on Progressive Robot

How To Set Up an Artillery Honeypot on an Ubuntu VPS

  • October 14, 2020
  • Linux
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Artillery is a multi-purpose defense tool for Linux based systems including honeypot capabilities, OS hardening, file system monitoring and real-time threat analysis. Alone it provides a fair amount of security to your system, but it is meant to be used as part of a multi-layered security scheme and plays nicely with web application firewalls such as ModSecurity.

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How To Install Rails and nginx with Passenger on Ubuntu — step-by-step Linux tutorial on Progressive Robot

How To Install Rails and nginx with Passenger on Ubuntu

  • October 14, 2020
  • Linux
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This tutorial explains how to install Ruby, how to install any required dependancies, how to install Ruby Gems, how to install Rails, how to install Phusion Passenger, and how to use Passenger to install nginx. Passenger is an app server that allows you to deploy your rails application in production. This tutorial describes how to run Rails with nginx using passenger.

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

Oracle Linux 8 — openssh — vulnerability — patch and remediation guide (ELSA-2024-3166)

  • October 14, 2020
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 14 October 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-3166 Related CVEs: CVE-2020-15778 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 Configure Mandatory Access Control on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Mandatory Access Control on Debian 9

  • October 14, 2020
  • Linux
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Introduction This guide explains how to Configure Mandatory Access Control on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 install with the […]

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