Linux

How To Set Up Apache Virtual Hosts on Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

How To Set Up Apache Virtual Hosts on Ubuntu 18.04

This tutorial will guide you through setting up multiple domains and websites using Apache virtual hosts on an Ubuntu 18.04 server. During this process, you’ll learn how to serve different content to different visitors depending on which domains they are requesting.

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How To Install an ERPNext Stack on Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

How To Install an ERPNext Stack on Ubuntu 18.04

ERPNext is an Enterprise Resource Planning (ERP) suite that leverages the power and flexibility of open-source technologies. It excels at managing core business processes such as finance, sales, HR, manufacturing, purchases, services, helpdesk, and more.

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How To Backup PostgreSQL Databases on an Ubuntu VPS — step-by-step Linux tutorial on Progressive Robot

How To Backup PostgreSQL Databases on an Ubuntu VPS

PostgreSQL is a popular database management system that can be used to handle the data from your website or application. This article will discuss methods of backing up PostgreSQL databases to ensure that your information will not be lost in the event of a problem.

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

Oracle Linux 8 — GraalVM — vulnerability — patch and remediation guide (ELSA-2023-12312)

🟠 High   ⏱ 15–60 min  Last verified: 10 August 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12312 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 […]

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Common Problems 120967

Debian 10 APT Lock Contention During Package Operations

🟡 Medium   ⏱ 5–30 min  Last verified: 9 August 2020 Affected versions: Debian 10 📖 ~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 20.04 — netqmail — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — netqmail — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 9 August 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4556-1 Related CVEs: CVE-2005-1513 CVE-2005-1514 CVE-2005-1515 CVE-2020-3811 CVE-2020-3812 Upstream summary: It was discovered that netqmail did not properly handle certain input. Both remote and local attackers could use this vulnerability […]

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SLES 12 — python-rsa — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — python-rsa — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 9 August 2020 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:496-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-25658 CVE-2016-1494 Upstream summary: It was found that python-rsa is vulnerable to Bleichenbacher timing attacks. An attacker can use this flaw via the RSA decryption […]

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How to Install Containerd as a Container Runtime on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install Containerd as a Container Runtime on Debian 10

Introduction Deploying install containerd as a container runtime on debian 10 on a Debian 10 Buster machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites […]

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