Linux

• ubuntu
  • Ubuntu Basics
    • Checking Ubuntu Version
      • lsb_release
    • Ubuntu Lifecycle
    • After death Ubuntu
    • Update sources.list (30 Aug 2013)
  • Ubuntu Package Management
    • References
    • Tools
      • dpkg or apt-get
    • List installed packages
      • grep /var/lib/dpkg/status
      • dpkg-query
    • Search for packages
      • apt-cache search
    • Info for a package
      • understanding unmet dependencies
      • dpkg –status OR dpkg -s
      • apt-cache showpkg
    • List Files in a package
      • dpkg -L
    • Install packages
      • apt-get
  • apt-get
    • ubuntu version
    • repository config
    • sudo apt-get update
      • Giving 404s
  • dpkg
    • frontends : apt-get OR dselect
    • package state
      • states
      • selection states
      • flags
    • dpkg -s, –status package-name
      • Version
      • Config-Version
      • Status field enumerations
        • Want
        • Flag
        • Status
    • dpkg –set-selections
    • dpkg -C, –audit
  • apt-get Unmet Dependencies
    • pinning and holding pkgs
    • unmets prevent apt-get installation
      • sudo apt-get install python-numpy -y
      • sudo apt-get install apt-rdepends
    • sudo apt-get -f install
    • Make sense of dependencies
      • libgcc1
      • sudo apt-cache showpkg libgcc1
    • gcc-4.5-base not available
    • Downgrade to reduce unmet
      • proceed
    • simulate libc6 downgrades
      • sudo apt-cache showpkg libc6
      • sudo apt-get -s install libc6=2.9-4ubuntu6.3
      • sudo apt-get -s install libc6=2.9-4ubuntu6
      • sudo dpkg -s libc-bin
      • sudo apt-cache showpkg libc-bin
    • holding
• centos
  • CentOS Intro
• redhat
  • RPM
• Non-Root package management
  • RPM background
    • RPM configuration via release pkg
  • chroot jail
  • mock -r configname
  • Nix
  • Zero Install
• Network Time Protocol
  • Update the datetime
  • Timezone setup
  • Config
  • For the docs etc..
• chroot
  • chroot needs root, but maybe not
    • setcap : set capability
  • chroot needs a carefully prepared environment