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Managing Software Exercises

  • Where are the repos on CentOS located
    • /etc/yum.repos.d/*

  • How to mount the installation CD to /repo

    parted -l mkdir /repo mount -o loop /dev/*** /repo

  • How to add the repositories on the CD to yum package manager

    AppStream.repo

    [AppStream] name=AppStream baseurl=file:///repo/AppStream gpgcheck=0

    cdrom.repo

    [cdrom] name=CDROM Repo baseurl=file:///repo/BaseOS gpgcheck=0

  • How do you confirm that the packages were added correctly

    • yum repolist
  • How to search yum
    • yum search user
  • How to get information on yum package
    • yum info nmap
  • How to list all packages
    • yum list | less
    • yum list kernel
  • How to update a specific package
    • yum update kernel
  • Get history of yum
    • yum history
    • yum history undo $NUM
  • List yum modules
    • yum module list
    • yum module list python*