Logging Monitoring

How to Manage systemd Services on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Manage systemd Services on Debian 9

Introduction Deploying manage systemd services 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 Ensure Debian 9 […]

Read more
Common Problems 121115

Debian 10 Kernel Upgrade Leaves Old Kernels Unmanaged

🟢 Low   ⏱ 5–30 min  Last verified: 18 April 2020 Affected versions: Debian 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 & Hardening Related Errors & […]

Read more
IBM AIX 7.1 — CVE-2020-4412 — denial of service — patch and remediation guide — diagnosis and fix on IBM AIX 7.1

IBM AIX 7.1 — CVE-2020-4412 — denial of service — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 18 April 2020 Affected versions: IBM AIX 7.1 📖 ~4 min read  •  Source: NVD CVE-2020-4412, IBM Support Bulletin CVE: CVE-2020-4412 NVD summary: The Spectrum Scale 4.2.0.0 through 4.2.3.21 and 5.0.0.0 through 5.0.4.3 file system component is affected by a denial of service security vulnerability. An attacker […]

Read more
How to Configure Hyper-V Checkpoints on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure Hyper-V Checkpoints on Windows Server 2012 R2

How to Configure Hyper-V Checkpoints on Windows Server 2012 R2 Hyper-V checkpoints (formerly called snapshots) capture the state of a virtual machine at a specific point in time, allowing you to roll back to that state if a subsequent change causes problems. Windows Server 2012 R2 supports two types of checkpoints: Standard Checkpoints (which capture […]

Read more
Gentoo Linux — app-office/ledger — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — app-office/ledger — multiple vulnerabilities (4 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-202004-05 Related CVEs: CVE-2017-12481 CVE-2017-12482 CVE-2017-2807 CVE-2017-2808 Upstream summary: Multiple vulnerabilities have been discovered in ledger. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment […]

Read more
How to Install GCC and Build Essential Tools on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install GCC and Build Essential Tools on Debian 10

Introduction Deploying install gcc and build essential tools 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 […]

Read more
openSUSE Tumbleweed — python38-scikit-learn — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python38-scikit-learn — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2025:14729-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-28975 Upstream summary: svm_predict_values in svm.cpp in Libsvm v324, as used in scikit-learn 0.23.2 and other products, allows attackers to cause a denial of service […]

Read more
FreeBSD 12 — trac — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — trac — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 18 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: trac — potential DOS vulnerability Related CVEs: CVE-2005-3980 CVE-2005-4065 CVE-2005-4305 Upstream summary: Trac development team reports: 0.11.2 is a new stable maintenance release. It contains several security fixes and everyone […]

Read more
SLES 12 — libofx — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — libofx — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 18 April 2020 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2024:3007-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-9656 CVE-2017-14731 CVE-2017-2816 CVE-2017-2920 Upstream summary: An issue was discovered in LibOFX 0.9.14. There is a NULL pointer dereference in the function OFXApplication::startElement in the […]

Read more
CHAT