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Xperteyes keeping your system under control

Xperteyes keeping your system under control. Pim Buurman. Introduction. The Problem The Solution Architecture Requirements Extending. The Problem. Many systems, few administrators Errors and inconsistencies do not show up at once. The Solution. Independent checking tool

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Xperteyes keeping your system under control

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  1. Xperteyeskeeping your system under control Pim Buurman

  2. Introduction • The Problem • The Solution • Architecture • Requirements • Extending Pim BuurmanX|support

  3. The Problem • Many systems, few administrators • Errors and inconsistencies do not show up at once Pim BuurmanX|support

  4. The Solution • Independent checking tool • Fully configurable • Extendible • Fast • Xperteyes Pim BuurmanX|support

  5. Architecture system Collector collection Requirements Checker collection Viewer Pim BuurmanX|support

  6. Implementation • Python • wxPython • Python C-extensions • compact and fast storage • system specific collecting Pim BuurmanX|support

  7. Collectors • Configuration data • Hierarchy - table - irregular • Hierarchical storage Pim BuurmanX|support

  8. General Checker • check <reqs> <out> <collection> … • Errors Pim BuurmanX|support

  9. Requirements • Object and selection • Tests • Context and severity Pim BuurmanX|support

  10. Requirements 2 • Selection: f(curr, spec) • Test: f(curr) • Customization • Python as test language Pim BuurmanX|support

  11. Requirement interpretation • All tests on the node are applied • Overlapping requirements • More specific blocks less specific Pim BuurmanX|support

  12. Requirement interpretation 2 require('/', perm_le(0755), selection=ALL) require('/tmp', [perm_eq(01777), uid_eq(0)]) require('/tmp', perm_le(0777), selection=ALL_CHILDREN) / /tmp /usr /var /tmp/pim /tmp/john Pim BuurmanX|support

  13. Viewer • Demonstration Pim BuurmanX|support

  14. Repairing • Require('/', uid_eq(0, repairActions=[repair.uid_eq(0)])) Pim BuurmanX|support

  15. Extending • New test • New collector Pim BuurmanX|support

  16. Conclusion • Simple program, complex configuration • Available: Summix stand • Price: your business card Pim BuurmanX|support

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