Linux

How To Set Up an Object Storage Server Using Minio on Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

How To Set Up an Object Storage Server Using Minio on Ubuntu 18.04

Minio is a popular open source object storage server compatible with the Amazon S3 cloud storage service. The service stores unstructured data such as photos, videos, log files, backups, and container/VM images. For all of these reasons, learning to set up a Minio object storage server can add a wide range of flexibility and utility to your project. In this tutorial, you will install and secure a Minio server on Ubuntu 18.04 and access Minio’s UI to create a storage bucket.

Read more
How to Optimize WordPress on Ubuntu — step-by-step Linux tutorial on Progressive Robot

How to Optimize WordPress on Ubuntu

Optimizing Wordpress installations on the cloud gives the clients and individuals your sites interact with the performance, speed, and flexibility they’ve come to expect with WordPress. In this tutorial, you’ll gain tips on how to optimize WordPress installations in a way that’s built for scale, including guidance on configuration, speed, and overall performance.

Read more
Установка и использование Nextcloud в Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Установка и использование Nextcloud в Ubuntu 20.04

Nextcloud (ответвление проекта ownCloud) — напоминающий Dropbox файлообменный сервер для централизованного хранения персонального контента, в том числе документов и изображений. Отличие Nextcloud в том, что весь его функционал реализован с открытым…

Read more
Oracle Linux 8 — libreoffice security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libreoffice security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2020-4628)

🟢 Low   ⏱ 5–15 min  Last verified: 28 December 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-4628 Related CVEs: CVE-2020-12802 CVE-2020-12803 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

Read more
Common Problems 118497

Ubuntu 16.04 LTS sudo: unable to resolve host

🟡 Medium   ⏱ 5–30 min  Last verified: 28 December 2020 📖 ~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 […]

Read more
Common Problems 115555

RHEL 7 firewalld Rich Rule Accidentally Blocks App Traffic

🟠 High   ⏱ 5–30 min  Last verified: 28 December 2020 Affected versions: RHEL 7 📖 ~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 & […]

Read more
Ubuntu 14.04 — libssh2 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — libssh2 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 December 2020 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6371-1 Related CVEs: CVE-2020-22218 Upstream summary: It was discovered that libssh2 incorrectly handled memory access. An attacker could possibly use this issue to cause a crash. Table of contents Symptom […]

Read more
Amazon Linux 2 — evolution — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — evolution — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2025-2833 Related CVEs: CVE-2020-11879 CVE-2018-15587 Upstream summary: An issue was discovered in GNOME Evolution before 3.35.91. By using the proprietary (non-RFC6068) "mailto?attach=…" parameter, a website (or other source of mailto […]

Read more
CHAT