Sysprep

virt-sysprep

$ virt-sysprep --list-operations
bash-history Remove the bash history in the guest
blkid-tab Remove blkid tab in the guest
ca-certificates Remove CA certificates in the guest
cron-spool Remove user at-jobs and cron-jobs
dhcp-client-state Remove DHCP client leases
dhcp-server-state Remove DHCP server leases
dovecot-data Remove Dovecot (mail server) data
flag-reconfiguration Flag the system for reconfiguration
hostname Change the hostname of the guest
kerberos-data Remove Kerberos data in the guest
logfiles Remove many log files from the guest
mail-spool Remove email from the local mail spool directory
net-hwaddr Remove HWADDR (hard-coded MAC address) configuration
package-manager-cache Remove package manager cache
pam-data Remove the PAM data in the guest
random-seed Generate random seed for guest
rhn-systemid Remove the RHN system ID
samba-db-log Remove the database and log files of Samba
script Run arbitrary scripts against the guest
smolt-uuid Remove the Smolt hardware UUID
ssh-hostkeys Remove the SSH host keys in the guest
ssh-userdir Remove ".ssh" directories in the guest
sssd-db-log Remove the database and log files of sssd
udev-persistent-net Remove udev persistent net rules
user-account Remove the user accounts in the guest
utmp Remove the utmp file
yum-uuid Remove the yum UUID