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    Patch Patch Presentation Transcript

    • Patch Management In Solaris and Red Hat
    • What is a Patch A collection of fixes to a problem Three main categories: Security  Bugs in the system that provide unauthorized access (rlogin) Functionality  Data integrity, reliability (cron) Performance  Excessive use of system resources
    • Patch Management The process of determining if a system has the most appropriate software installed. Where do patches come from? Operating System vendors Application distributors  Third party software
    • Patch Management A three step process: Discovery Determination Installation
    • Discovery Online resources & Vendor tools Solaris  SunSolve & Newsletters  Solaris Patch Manager Tool  Sun Patch Check Red Hat  Red Hat Network & Alert Notification Tool  RPM  Red Hat Update Agent
    • SunSolve
    • Red Hat Network
    • Determination Comparing what is on your machine to what is available Level of importance Solaris Solaris Patch Manager Tool Patch Check PatchDiag Sun Management Center
    • Determination (cont’d) Solaris (cont’d) Solaris Live Upgrade Solaris Flash Technology Red Hat Red Hat Update Agent Red Hat Network Red Hat Network Alert Notification Tool
    • Installation Automated Solaris: Solaris Patch Manager, Sun Management Center, Solaris Live Update Red Hat: Red Hat Update Agent, Red Hat Network, Red Hat Network Alert Notification Tool Manual Solaris: patchadd Red Hat: rpm
    • PM Strategies Patch Management Process Determine which patches to install Find any patch dependencies Remove old version of patch Install patch and dependencies
    • PM - Solaris Solaris Monitor newsletters and website regularly Four Types of patches:  Solaris Updates  Maintenance Updates  Alert Patches  Advisory Patches
    • PM - Solaris Three tiered approach: Install Solaris and Maintenance Updates Install Alert Patches Install patches on a per-issue basis Patch Installation Process Test -> Development -> Production Automation Solaris Patch Manager Tool
    • PM – Red Hat Red Hat Monitor system status on Red Hat Network Add channels as needed Utilize Red Hat Network Alert Notification Tool Automation Red Hat Update Agent