ubuntu

How To Deploy a DocPad Application on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Deploy a DocPad Application on Ubuntu 14.04

In this tutorial, we are going to learn how to deploy an application made with [DocPad](https://docpad.org) to the standard 64-bit Ubuntu 14.04 image on the cloud provider. DocPad is a Node.js-powered static site generator that can be used alone or alongside a Node.js app to drive your site’s content.

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Common Problems 118540

Ubuntu 16.04 DNS resolution intermittently fails

🟡 Medium   ⏱ 5–30 min  Last verified: 17 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 117968

Ubuntu 18.04 LTS – UFW blocks required application ports after policy tighten – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 17 July 2019 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 18.04 — ca-certificates — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — ca-certificates — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 16 July 2019 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7034-2 Related CVEs: https://launchpad.net/bugs/2081875 https://launchpad.net/bugs/2020089 https://launchpad.net/bugs/1998785 https://launchpad.net/bugs/1976631 https://launchpad.net/bugs/1944481 https://launchpad.net/bugs/1914064 https://launchpad.net/bugs/1900727 https://launchpad.net/bugs/1881533 Upstream summary: USN-7034-1 updated ca-certificates. This update provides the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. […]

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Ubuntu 14.04 — libpcap — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — libpcap — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 July 2019 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4221-1 Related CVEs: CVE-2019-15165 Upstream summary: It was discovered that libpcap did not properly validate PHB headers in some situations. An attacker could use this to cause a denial of […]

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How To Install and Use Bastille To Harden an Ubuntu 12.04 — step-by-step Linux tutorial on Progressive Robot

How To Install and Use Bastille To Harden an Ubuntu 12.04

In this the cloud provider article, using Bastille, we are going to enhance the security of our system and greatly power up our knowledge and understanding of Linux system hardening by analyzing what Bastille in essence aims to teach with its thorough guide notes as we analyze various aspects of the process.

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Building for Production: Web Applications — Backups — step-by-step Linux tutorial on Progressive Robot

Building for Production: Web Applications — Backups

In this part of the “Building for Production: Web Applications” series (4 of 6), we will set up the backup system that is required to support our recovery plan. This tutorial will focus on using Bacula as a backups solution. The benefits of using a full-fledged backup system, such as Bacula, is that it gives you full control over what you back up and restore at the individual file level, and you can schedule backups and restores according to what is best for you.

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