Linux

How to Set Up Jaeger Distributed Tracing on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up Jaeger Distributed Tracing on Debian 10

Introduction Deploying set up jaeger distributed tracing on debian 10 on a Debian 10 Buster 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 Ensure […]

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openSUSE Tumbleweed — otrs — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — otrs — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2012-2582 CVE-2012-4600 CVE-2012-4751 CVE-2013-2625 CVE-2013-2637 CVE-2013-3551 CVE-2013-4088 CVE-2013-4717  +6 more Upstream summary: Multiple cross-site scripting (XSS) vulnerabilities in Open Ticket Request System (OTRS) Help Desk […]

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Ubuntu 18.04 — liblivemedia — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — liblivemedia — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 28 January 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4853-1 Related CVEs: CVE-2018-4013 CVE-2019-6256 CVE-2019-7314 CVE-2019-9215 Upstream summary: It was discovered that liveMedia incorrectly handled certain network packets. An attacker could possibly use this issue to execute arbitrary code. […]

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Gentoo Linux — sys-apps/ncurses — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — sys-apps/ncurses — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202101-28 Related CVEs: CVE-2019-17594 CVE-2019-17595 Upstream summary: Multiple vulnerabilities have been discovered in ncurses. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & Reproduction […]

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How To Troubleshoot MySQL Queries — step-by-step Linux tutorial on Progressive Robot

How To Troubleshoot MySQL Queries

Sometimes users run into problems once they begin issuing queries on their data. In some database systems, including MySQL, query statements in must end in a semicolon (;) for the query to complete, as in the following example…

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SLES 15 — suse-hpc — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — suse-hpc — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 28 January 2020 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:1903-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-17234 CVE-2018-17237 CVE-2020-10809 CVE-2018-17233 CVE-2018-17432 CVE-2018-17433 CVE-2018-17436 CVE-2020-10810  +12 more Upstream summary: Memory leak in the H5O__chunk_deserialize() function in H5Ocache.c in the HDF HDF5 through […]

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

openSUSE Tumbleweed — klogd — vulnerability — 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-2014:1294-1 (see also SUSE bugzilla) Related CVEs: CVE-2014-3634 Upstream summary: rsyslog before 7.6.6 and 8.x before 8.4.1 and sysklogd 1.5 and earlier allows remote attackers to cause a denial of service (crash), […]

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How to Install ClickHouse Columnar Database on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install ClickHouse Columnar Database on RHEL 8

ClickHouse is an open-source columnar database management system designed for real-time analytical queries over large datasets. Unlike row-oriented databases such as MySQL or PostgreSQL, ClickHouse stores data by column, allowing it to scan only the columns needed for a query and apply aggressive compression, resulting in query performance orders of magnitude faster for analytical workloads. […]

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Common Problems 117973

Ubuntu 18.04 LTS NTP drift causes certificate and auth failures

🟡 Medium   ⏱ 5–30 min  Last verified: 27 January 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 […]

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