ubuntu

Common Problems 119144

Ubuntu 14.04 LTS System Timezone Mismatch Breaks Scheduled Workloads

🟡 Medium   ⏱ 5–30 min  Last verified: 30 October 2022 📖 ~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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How To Set Up WireGuard on Ubuntu 22.04 — step-by-step Linux tutorial on Progressive Robot

How To Set Up WireGuard on Ubuntu 22.04

In this tutorial, you will set up WireGuard on an Ubuntu 22.04 server, and then configure another machine to connect to it as a peer using both IPv4 and IPv6 connections (commonly referred to as a _dual stack_ connection). You’ll also learn how to route the peer’s Internet traffic through the WireGuard server in a gateway configuration, in addition to using the VPN for an encrypted peer-to-peer tunnel.

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How to Set Up and Install Django CMS on a Debian 7 or Ubuntu 13 VPS — step-by-step Linux tutorial on Progressive Robot

How to Set Up and Install Django CMS on a Debian 7 or Ubuntu 13 VPS

In this the cloud provider article, we will walk you through installing Django CMS on a Debian 7/Ubuntu 13 VPS, ready to be configured and used. Django CMS is one of the content management systems that is geared towards working with Django framework based web applications. It is perhaps the most popular one out of almost three dozen other options available today.

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How To Install and Configure Postfix on Ubuntu 22.04 — step-by-step Linux tutorial on Progressive Robot

How To Install and Configure Postfix on Ubuntu 22.04

Postfix is a popular open-source Mail Transfer Agent (MTA) that can be used to route and deliver email on a Linux system. It is estimated that around 25% of public mail servers on the internet run Postfix. In this guide, you’ll learn how to install and configure Postfix on an Ubuntu 22.04 server.

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How To Configure a Galera Cluster with MariaDB on Ubuntu 12.04 Servers — step-by-step Linux tutorial on Progressive Robot

How To Configure a Galera Cluster with MariaDB on Ubuntu 12.04 Servers

Replication allows your databases to distribute load among more than one computer. While MariaDB natively supports master-slave replication, which allows you to offload read operations to a a number of slave servers, this master-master replication, which allows you to write data to any node, is not implemented. With a Galera cluster, MariaDB incorporates some patches that allow for master-master replication. We will be setting this up using Ubuntu 12.04 servers.

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Configuration initiale de serveur avec Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

Configuration initiale de serveur avec Ubuntu 18.04

Lorsque vous installez un nouveau serveur Ubuntu 18.04, il y a quelques étapes de configuration que vous devriez effectuer au sein de votre paramétrage initial. Cela renforcera la sécurité et l’ergonomie de votre serveur et vous procurera une base solide pour vos actions…

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Common Problems 117040

Ubuntu 22.04 LTS Nginx Fails to Reload Because of Duplicate Server Name

🟡 Medium   ⏱ 5–30 min  Last verified: 28 October 2022 📖 ~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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Ubuntu 18.04 — nvidia-graphics-drivers-390 — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — nvidia-graphics-drivers-390 — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 28 October 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5547-1 Related CVEs: CVE-2022-31607 CVE-2022-31608 CVE-2022-31615 CVE-2021-1093 CVE-2021-1094 CVE-2021-1095 CVE-2021-1076 CVE-2021-1077  +7 more Upstream summary: Le Wu discovered that the NVIDIA graphics drivers did not properly perform input validation in […]

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How To Install Linux, nginx, MySQL, PHP (LEMP) stack on Ubuntu 12.04 — step-by-step Linux tutorial on Progressive Robot

How To Install Linux, nginx, MySQL, PHP (LEMP) stack on Ubuntu 12.04

LEMP stack is a group of open source software to get web servers up and running. The acronym stands for Linux, nginx (pronounced Engine x), MySQL, and PHP. This tutorial explains how to install the required repos to download nginx and php-fpm, how to install MySQL, how to install nginx, how to install php-fpm, how to configure php and nginx, and how to create a php info page. This tutorial is written for Ubuntu 12.04.

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Ubuntu 14.04 — busybox — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — busybox — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 28 October 2022 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6335-1 Related CVEs: CVE-2021-28831 CVE-2022-48174 CVE-2011-5325 CVE-2014-9645 CVE-2015-9261 CVE-2016-2147 CVE-2016-2148 CVE-2017-15873  +4 more Upstream summary: It was discovered that BusyBox incorrectly handled certain malformed gzip archives. If a user or […]

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