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Common Problems 114059

RHEL 10 – custom application logs never rotate causing giant log files – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 9 April 2026 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~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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CentOS Stream 10 — sssd — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 10

CentOS Stream 10 — sssd — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 9 April 2026 Affected versions: CentOS Stream 10 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2025:21020 Related CVEs: CVE-2025-11561 Upstream summary: The System Security Services Daemon (SSSD) service provides a set of daemons to manage access to remote directories and authentication mechanisms. It also provides the […]

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How to Configure Samba File Server on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Configure Samba File Server on RHEL 10

Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying configure samba file server both straightforward and auditable. This tutorial covers the complete procedure for how to Configure Samba File Server on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. Prerequisites The […]

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How to Set Up LDAP with OpenLDAP on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Set Up LDAP with OpenLDAP on RHEL 9

OpenLDAP is the most widely deployed open-source LDAP directory server and is commonly used for centralised identity management across Linux systems. On RHEL 9, OpenLDAP server packages are available directly from the base repositories, providing a standards-compliant LDAPv3 directory that integrates with SSSD for system authentication. This tutorial covers installing OpenLDAP, configuring the directory database, […]

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How to Restore PostgreSQL Databases on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Restore PostgreSQL Databases on RHEL 10

Introduction Setting up restore postgresql databases on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Restore PostgreSQL Databases on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and how to validate the […]

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How to Install Terraform on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install Terraform on RHEL 10

Introduction This tutorial demonstrates how to Install Terraform on RHEL 10 on RHEL 10. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered RHEL 10 system with the default AppStream repositories enabled. Prerequisites […]

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Debian 13 — pam-p11 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — pam-p11 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 5 April 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-16058 Upstream summary: An issue was discovered in the pam_p11 component 0.2.0 and 0.3.0 for OpenSC. If a smart card creates a signature with a length longer than 256 […]

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How to Install Python 3.13 on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install Python 3.13 on RHEL 10

Introduction This tutorial demonstrates how to Install Python 3.13 on RHEL 10 on RHEL 10. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered RHEL 10 system with the default AppStream repositories enabled. […]

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Common Problems 113903

RHEL 10 – systemd service stuck in activating state after boot – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 4 April 2026 Affected versions: RHEL 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 & […]

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Debian 13 — kwallet-pam — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — kwallet-pam — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 April 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-10380 Upstream summary: kwallet-pam in KDE KWallet before 5.12.6 allows local users to obtain ownership of arbitrary files via a symlink attack. Table of contents Symptom & Impact Environment […]

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