Ubuntu 20.04

Ubuntu 20.04 — squashfs-tools — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — squashfs-tools — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 April 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5078-3 Related CVEs: CVE-2021-41072 CVE-2021-40153 Upstream summary: USN-5078-1 fixed a vulnerability in Squashfs-Tools. That update was incomplete and could still result in Squashfs-Tools mishandling certain malformed SQUASHFS files. This update […]

Read more
Ubuntu 20.04 — linux-oem-5.13 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — linux-oem-5.13 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 11 April 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5265-1 Related CVEs: CVE-2020-27820 CVE-2021-3640 CVE-2021-3752 CVE-2021-3772 CVE-2021-4001 CVE-2021-4090 CVE-2021-4093 CVE-2021-4202  +12 more Upstream summary: Jeremy Cline discovered a use-after-free in the nouveau graphics driver of the Linux kernel during […]

Read more
How To Implement PHP Rate Limiting with Redis on Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

How To Implement PHP Rate Limiting with Redis on Ubuntu 20.04

Redis (Remote Dictionary Server ) is an in-memory open source software. It is a data-structure store that uses a server’s RAM, which is several times faster than even the fastest Solid State Drive (SSD). This makes Redis highly responsive, and therefore, suitable for rate limiting. In this tutorial, you’ll implement a PHP script for rate limiting with Redis on an Ubuntu 20.04 server.

Read more
Installieren von Node.js unter Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Installieren von Node.js unter Ubuntu 20.04

Node.js ist eine JavaScript-Laufzeitumgebung für serverseitige Programmierung. Sie ermöglicht Entwicklern die Erstellung von skalierbaren Backend-Funktionen mit JavaScript, einer Sprache, die viele aus der Browser-basierten Webentwicklung bereits…

Read more
How to Use Ansible to Install and Set Up Docker on Ubuntu 20.04 — step-by-step Docker tutorial on Progressive Robot

How to Use Ansible to Install and Set Up Docker on Ubuntu 20.04

Docker is an application that simplifies the process of managing application processes in *containers*. This guide explains how to use Ansible to automate the steps contained in our guide on How To Install and Use Docker on Ubuntu 20.04. Ansible is a modern configuration management tool that can be used to automate the provisioning and configuration of remote systems.

Read more
Ubuntu 20.04 — apparmor — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — apparmor — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 April 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7035-1 Related CVEs: CVE-2016-1585 https://bugs.launchpad.net/apparmor/+bug/1597017 Upstream summary: It was discovered that the AppArmor policy compiler incorrectly generated looser restrictions than expected for rules allowing mount operations. A local attacker could […]

Read more
Einrichten einer Firewall mit UFW unter Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Einrichten einer Firewall mit UFW unter Ubuntu 20.04

UFW (oder Uncomplicated Firewall) ist eine vereinfachte Firewall-Verwaltungsschnittstelle, die die Komplexität von Paketfilterungstechnologie auf niedriger Ebene wie iptables und nftables versteckt. Wenn Sie mit dem Sichern Ihres Netzwerks beginnen möchten und Sie nicht…

Read more
How To Build a Slackbot in Python on Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

How To Build a Slackbot in Python on Ubuntu 20.04

In this tutorial you will build a Slackbot in the Python programming language. As a fun proof-of-concept that will demonstrate the power of Python and its Slack APIs, you will build a `CoinBot`–a Slackbot that monitors a channel and, when triggered, will flip a coin and give you the results. You can then modify your `CoinBot` to fulfill any number of _slightly_ more practical applications.

Read more
CHAT