Linux

openSUSE Tumbleweed — libIL1 — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libIL1 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory Related CVEs: CVE-2009-3994 Upstream summary: Stack-based buffer overflow in the GetUID function in src-IL/src/il_dicom.c in DevIL 1.7.8 allows remote attackers to cause a denial of service (application crash) or execute arbitrary […]

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How To Automate Deployment Using CircleCI and GitHub on Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

How To Automate Deployment Using CircleCI and GitHub on Ubuntu 18.04

Continuous Integration/Continuous Deployment (CI/CD) is a development practice that allows software teams to build, test, and deploy applications easier and quicker on multiple platforms. CircleCI is a popular automation platform that allows you to build and maintain CI/CD workflows for your projects. In this tutorial, you’ll go through the steps to set up a sample Node.js app for auto-deployment on an Ubuntu 18.04 server using CircleCI.

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openSUSE Tumbleweed — ardour — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — ardour — vulnerability — 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:2008:001 (see also SUSE bugzilla) Related CVEs: CVE-2007-4974 Upstream summary: Heap-based buffer overflow in the flac_buffer_copy function in libsndfile 1.0.17 and earlier might allow remote attackers to execute arbitrary code via a […]

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Common Problems 119134

Ubuntu 14.04 LTS SSL Certificate Renewal Script Fails

🟡 Medium   ⏱ 5–30 min  Last verified: 8 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 […]

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Common Problems 115453

RHEL 7 – firewalld Runtime Rules Disappear After Restart

🟡 Medium   ⏱ 5–30 min  Last verified: 8 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 […]

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Ubuntu 18.04 — libxmlrpc3-java — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libxmlrpc3-java — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 June 2019 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4496-1 Related CVEs: CVE-2019-17570 Upstream summary: It was discovered that Apache XML-RPC (aka ws-xmlrpc) does not properly deserialize untrusted data. An attacker could possibly use this issue to execute arbitrary […]

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How to Monitor Disk Usage with df, du, lsblk and ncdu on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Monitor Disk Usage with df, du, lsblk and ncdu on RHEL 8

Running out of disk space is one of the most disruptive events on a Linux server, and it often happens silently until a service crashes or a write fails. Red Hat Enterprise Linux 8 ships with several tools to help you stay ahead of the problem: df for a quick filesystem overview, du for directory-level […]

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How to Install MemSQL on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How to Install MemSQL on Ubuntu 14.04

MemSQL is a type of in-memory database that can serve faster reads and writes than a traditional database. Even though it is a new technology, it speaks the MySQL protocol, so it feels very familiar to work with.

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