▸case-02 Our production CentOS 9 machine is throwing SELinux access denial errors whenever httpd tries to bind to port 8443. Can you troubleshoot this for me? I need your output structured into a brief Summary, numbered Triage Steps, copy-pasteable Remediation Commands in code blocks, Validation commands in code blocks, and Rollback/Cleanup procedures. | fail→pass | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-08 Time synchronization via chronyd is failing on a CentOS Stream 9 server behind a corporate proxy. Provide troubleshooting structured with a Summary, numbered Triage Steps, Remediation Commands in code blocks, Validation in code blocks, and Rollback/Cleanup. | fail→pass | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-14 Postfix returns relay access denied on a CentOS Stream 8 mail gateway. Diagnose and fix this issue using a output format consisting of a Summary, numbered Triage Steps, Remediation Commands in code blocks, Validation in code blocks, and Rollback/Cleanup. | fail→pass | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-15 FTP clients hang during passive mode directory listing on a CentOS 7 vsftpd server. Troubleshoot this issue. Format as Summary, numbered Triage Steps, Remediation Commands in code blocks, Validation in code blocks, and Rollback/Cleanup. | pass→pass | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-22 Write a complete RPM spec file to package a custom C application binaries called 'app-tool' version 1.2.0. | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-07 The BIND DNS service fails to start on a CentOS 8 machine due to permission issues on zone files. Troubleshoot this issue. Structure your output with a Summary, numbered Triage Steps, Remediation Commands in code blocks, Validation in code blocks, and Rollback/Cleanup. | fail→pass | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-12 Nginx returns a 502 Bad Gateway on CentOS 8 because it cannot access the PHP-FPM unix socket. Help diagnose this. Include a Summary, numbered Triage Steps, Remediation Commands in code blocks, Validation in code blocks, and Rollback/Cleanup. | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-10 An NFS share fails to mount on a CentOS 8 Stream client with a permission denied error. Help me troubleshoot this. Format the output with a Summary, numbered Triage Steps, Remediation Commands in code blocks, Validation in code blocks, and Rollback/Cleanup. | fail→pass | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-06 The root filesystem on a CentOS 8 host reached 100% capacity, causing services to hang. Provide a guide with a Summary, numbered Triage Steps, Remediation Commands in code blocks, Validation commands in code blocks, and Rollback/Cleanup. | fail→pass | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-16 Redis fails to bind to the secondary network interface on CentOS Stream 9. Help fix this with a layout of Summary, numbered Triage Steps, Remediation Commands in code blocks, Validation in code blocks, and Rollback/Cleanup. | fail→pass | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-20 My Ubuntu 22.04 LTS desktop server loses network connection because Netplan YAML indentation is wrong. How do I fix the Netplan YAML configuration syntax? | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-03 My legacy CentOS box is failing to pull updates using dnf due to mirror list errors and repo key verification issues. Please diagnose this issue. Format your answer with a Summary at the top, followed by numbered Triage Steps, Remediation Commands inside code blocks, Validation checks in code blocks, and finally Rollback/Cleanup steps. | fail→pass | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-04 Users cannot log into our CentOS 7 server via SSH after a hardening script was executed. Provide assistance formatted with a Summary, numbered Triage Steps, Remediation Commands in code blocks, Validation checks in code blocks, and Rollback/Cleanup instructions. | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-05 The MariaDB service on CentOS Stream 9 keeps crashing on startup with an I/O write error. Help me resolve this. Structure the output with a Summary, numbered Triage Steps, Remediation Commands in code blocks, Validation commands in code blocks, and Rollback/Cleanup steps. | pass→pass | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-13 Outbound mail is stuck in the Postfix queue on a CentOS 7 server. Provide troubleshooting instructions formatted with a Summary, numbered Triage Steps, Remediation Commands in code blocks, Validation in code blocks, and Rollback/Cleanup. | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-21 Write a complete Ansible playbook from scratch that provisions a three-tier web application architecture across five nodes. | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-01 I am running into an issue on my CentOS 8 Stream web server where the Nginx service fails to launch after yesterday's kernel update. Please help me fix this. Structure your response with a concise Summary, a numbered set of Triage Steps, code blocks for Remediation Commands, code blocks for Validation, and a section for Rollback/Cleanup. | fail→pass | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-19 The Linux audit daemon (auditd) refuses to start on CentOS Stream 9 after updating security rules. Troubleshoot this. Format with a Summary, numbered Triage Steps, Remediation Commands in code blocks, Validation in code blocks, and Rollback/Cleanup. | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-17 Windows clients cannot access a shared Samba directory on CentOS 8 Stream. Diagnose the issue using a response layout with a Summary, numbered Triage Steps, Remediation Commands in code blocks, Validation in code blocks, and Rollback/Cleanup. | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-11 The Docker service fails to start on CentOS 9 Stream after a reboot. Assist with troubleshooting structured as a Summary, numbered Triage Steps, Remediation Commands in code blocks, Validation in code blocks, and Rollback/Cleanup. | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-09 HAProxy cannot route traffic to backend nodes on CentOS 7, showing backend connection errors in logs. Provide a diagnosis with a Summary, numbered Triage Steps, Remediation Commands in code blocks, Validation in code blocks, and Rollback/Cleanup. | fail→pass | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-18 Squid proxy service rejects client authentication requests on CentOS 7. Help diagnose this problem. Format the output with a Summary, numbered Triage Steps, Remediation Commands in code blocks, Validation in code blocks, and Rollback/Cleanup. | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |