Local user’s database:
/etc/passwd
Local group’s database:
/etc/passwd
SUDO configuration:
/etc/sudoers
Per group SUDO configuration directory SUDO configuration:
/etc/sudoers.d
Per user configuration profile:
$HOME/.profile
Host name IP mapping file:
/etc/hosts
Filesystems mount configuration:
/etc/fstab
SAMBA configuration:
/etc/samba/smb.conf
SSH server configuration:
/etc/ssh/sshd_config
LIBC users/group mapping order:
/etc/nsswitch.conf
TCP/IP services and ports mapping (per IANA):
/etc/protocols
/etc/services
SSSD configuration:
/etc/sssd/sssd.conf
Kerberos configuration:
/etc/krb5.conf
Kerberos keytab (do not edit, this is automatically generated by Kerberos):
/etc/krb5.keytab
LinuxSecPol cache (do not edit, changes will be re-enforced from the management server if differences are found in any files in the cache):
/dev/shm/linuxsecpol/cache