ubuntu

Ubuntu 14.04 — spamassassin — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — spamassassin — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 30 March 2020 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4899-2 Related CVEs: CVE-2020-1946 CVE-2020-1930 CVE-2020-1931 CVE-2018-11805 CVE-2019-12420 CVE-2017-15705 CVE-2018-11780 CVE-2018-11781 Upstream summary: USN-4899-1 fixed a vulnerability in SpamAssassin. This update provides the corresponding update for Ubuntu 14.04 ESM. Original […]

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Top 10 Linux Easter Eggs — step-by-step Linux tutorial on Progressive Robot

Top 10 Linux Easter Eggs

Linux can be hard work. This article was made to show the other side of Linux, where things don’t have to be so serious all of the time. Many of the people who contribute to open source projects have a great sense of humor.

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Common Problems 118097

Ubuntu 18.04 LTS – multipathd causes delayed boot on single-disk VM – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 29 March 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 Set Up Gogs on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Set Up Gogs on Ubuntu 14.04

Gogs is a self-hosted Git service written in Go which is very easy to get running, has low system usage, and includes a web interface, an admin dashboard, and access to operations like Git pull and push. Gogs aspires to be the easiest, fastest, and most painless way to set up a self-hosted Git service.

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How To Protect Your Server Against the Dirty COW Linux Vulnerability — step-by-step Linux tutorial on Progressive Robot

How To Protect Your Server Against the Dirty COW Linux Vulnerability

On October 21, 2016, a privilege escalation vulnerability in the Linux kernel was disclosed. The bug is nicknamed Dirty COW because the underlying issue was a race condition in the way kernel handles copy-on-write (COW). Exploiting this bug means that a regular, unprivileged user on your server can gain write access to any file they can read, and can therefore increase their privileges on the system. This tutorial explains how to protect your server from this vulnerability.

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Deploying a Rails App on Ubuntu 14.04 with Capistrano, Nginx, and Puma — step-by-step Linux tutorial on Progressive Robot

Deploying a Rails App on Ubuntu 14.04 with Capistrano, Nginx, and Puma

In this tutorial we’ll install Ruby and Nginx on a the cloud provider Ubuntu Droplet and configure Puma and Capistrano in our web app. Nginx will be used to capture client requests and pass them over to the Puma web server running Rails. We’ll use Capistrano to automate common deployment tasks, so every time we have to deploy a new version of our Rails app to the server, we can do that with a few simple commands.

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Ubuntu 16.04 — json-c — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — json-c — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 March 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4360-4 Related CVEs: CVE-2020-12762 https://launchpad.net/bugs/1878723 Upstream summary: USN-4360-1 fixed a vulnerability in json-c. The security fix introduced a memory leak that was reverted in USN-4360-2 and USN-4360-3. This update provides […]

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Common Problems 118969

Ubuntu 14.04 LTS – boot drops to initramfs prompt

🔴 Critical   ⏱ 5–30 min  Last verified: 26 March 2020 Affected versions: Ubuntu 14.04 LTS Ubuntu 14.04 Ubuntu 14.04.6 📖 ~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 […]

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