IT, Cloud & DevOps Blog

Getting Started with LXC on an Ubuntu 13.04 VPS — step-by-step Linux tutorial on Progressive Robot

Getting Started with LXC on an Ubuntu 13.04 VPS

LXC, or Linux Containers, is a system built upon a number of features included in modern Linux kernels that allows for creation and management of many virtualized Linux systems on a single parent host system. However, unlike some virtualization solutions, no hardware emulation is used and the container shares the kernel with the host, which makes LXC incredibly lightweight and easy to use.

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How to Configure Docker Logging Drivers on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Docker Logging Drivers on Debian 9

Introduction This guide explains how to Configure Docker Logging Drivers on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 install with the […]

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Common Problems 117897

Ubuntu 18.04 Boot Stuck at GRUB Prompt After Update

🟡 Medium   ⏱ 5–30 min  Last verified: 22 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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How to Set Up Capistrano Deployment on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up Capistrano Deployment on Debian 9

Introduction Deploying set up capistrano deployment on debian 9 on a Debian 9 Stretch 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 Before you […]

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Common Problems 115082

RHEL 8 journalctl Logs Grow Unbounded and Consume Disk

🟡 Medium   ⏱ 5–30 min  Last verified: 22 December 2019 Affected versions: 8.4 8.5 8.6 8.7 8.8 8.9 8.10 📖 ~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 […]

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

openSUSE Tumbleweed — telepathy-gabble — 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-2011-1000 CVE-2013-1431 Upstream summary: jingle-factory.c in Telepathy Gabble 0.11 before 0.11.7, 0.10 before 0.10.5, and 0.8 before 0.8.15 allows remote attackers to sniff audio and […]

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FreeBSD 12 — pear-Horde_Core — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — pear-Horde_Core — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 December 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: horde — XSS vulnerabilities Related CVEs: CVE-2015-8807 CVE-2016-2228 Upstream summary: The Horde Team reports: Fixed XSS vulnerabilities in menu bar and form renderer. Table of contents Symptom & Impact Environment […]

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Common Problems 113556

Windows Server 2012 R2 – Kernel nonpaged pool leak from third-party driver – Fix and Prevention

🟠 High   ⏱ 5–30 min  Last verified: 22 December 2019 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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FreeBSD 12 — php70-xml — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — php70-xml — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 December 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php — multiple vulnerabilities Related CVEs: CVE-2016-3074 Upstream summary: The PHP Group reports: BCMath: Fixed bug #72093 (bcpowmod accepts negative scale and corrupts _one_ definition). Exif: Fixed bug #72094 (Out […]

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