IT, Cloud & DevOps Blog

How to Manage Node.js Versions with nvm on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Manage Node.js Versions with nvm on Debian 9

Introduction How to Manage Node.js Versions with nvm on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian […]

Read more
Настройка Packet Filter (PF) в FreeBSD 12.1 — step-by-step Linux tutorial on Progressive Robot

Настройка Packet Filter (PF) в FreeBSD 12.1

Автор выбрал COVID-19 Relief Fund для получения пожертвования в рамках программы Write for DOnations. Брандмауэр, вероятно, является одной из наиболее важных линий защиты…

Read more
Common Problems 119040

Ubuntu 14.04 LTS Apache 2.4 Fails Config Test on VirtualHost Changes

🟡 Medium   ⏱ 5–30 min  Last verified: 14 June 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 & […]

Read more
openSUSE Tumbleweed — libcgroup1 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libcgroup1 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SR:2011:007 (see also SUSE bugzilla) Related CVEs: CVE-2011-1006 CVE-2011-1022 Upstream summary: Heap-based buffer overflow in the parse_cgroup_spec function in tools/tools-common.c in the Control Group Configuration Library (aka libcgroup or libcg) before 0.37.1 […]

Read more
Common Problems 117962

Snapd Service Fails to Start

🟡 Medium   ⏱ 5–30 min  Last verified: 14 June 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 […]

Read more
How to Scan for Vulnerabilities with OpenVAS on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Scan for Vulnerabilities with OpenVAS on FreeBSD 12

Introduction This guide explains how to Scan for Vulnerabilities with OpenVAS on FreeBSD 12 on FreeBSD 12. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for […]

Read more
CHAT