Linux

How To Install and Configure OpenNTPd on FreeBSD 10.2 — step-by-step Linux tutorial on Progressive Robot

How To Install and Configure OpenNTPd on FreeBSD 10.2

NTP, the Network Time Protocol, is a standardized protocol providing ways to synchronize time on various operating systems. OpenNTPd is a free and easy-to-use implementation of the Network Time Protocol (NTP), originally developed as part of the OpenBSD project. It provides the ability to sync the local clock from remote NTP servers and can also act as server itself.

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How To Add and Remove Users on FreeBSD — step-by-step Linux tutorial on Progressive Robot

How To Add and Remove Users on FreeBSD

On FreeBSD, like other Unix-like OSes, user accounts can be created to provide interactive access to the system. User accounts, when managed properly, can add a layer of system security by providing a way to limit individual user’s access to only the files and directories that it needs to accomplish its tasks.

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Common Problems 118961

Ubuntu 14.04 LTS network interface missing after reboot

🟠 High   ⏱ 5–30 min  Last verified: 6 December 2019 Affected versions: 14.04 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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Common Problems 114909

RHEL 8 – GPG Signature Verification Fails for Enabled Repositories

🟡 Medium   ⏱ 5–30 min  Last verified: 6 December 2019 📖 ~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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openSUSE Tumbleweed — httpie — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — httpie — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2019:2050-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-10751 Upstream summary: All versions of the HTTPie package prior to version 1.0.3 are vulnerable to Open Redirect that allows an attacker to write an […]

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openSUSE Tumbleweed — mailx — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — mailx — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2014:1658-1 (see also SUSE bugzilla) Related CVEs: CVE-2004-2771 CVE-2014-7844 Upstream summary: The expand function in fio.c in Heirloom mailx 12.5 and earlier and BSD mailx 8.1.2 and earlier allows remote attackers to […]

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How to Configure CoreOS rkt Container Runtime on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure CoreOS rkt Container Runtime on Debian 9

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up configure coreos rkt container runtime on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each step carefully […]

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Debian 10 — dino-im — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — dino-im — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 December 2019 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-16235 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Установка веб-сервера Apache в CentOS 7 — step-by-step Linux tutorial on Progressive Robot

Установка веб-сервера Apache в CentOS 7

HTTP-сервер Apache — самый широко используемый веб-сервер в мире. Он имеет множество мощных функций, включая динамически загружаемые модули, надежную поддержку различных медиа-форматов и интеграцию с другим популярным программным обеспечением. В…

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