SSSD-KCM(8) File Formats and Conventions SSSD-KCM(8) (NAME) sssd-kcm - SSSD (DESCRIPTION) SSSD (KCM) . KCM . Heimdal MIT KCM ( ). KCM ( kinit(1) ) " KCM" KCM " KCM" . . KCM UID GID KCM . KCM : o keyring UID o keyring KCM o SSSD (ccache) /var/lib/sss/secrets ccache KCM . bind-mount . KCM 5 kinit . KCM (USING THE KCM CREDENTIAL CACHE) KCM krb5.conf(5) . "KCM:" . : [libdefaults] default_ccache_name = KCM: KCM . /var/run/.heim_org.h5l.kcm-socket . "kcm_socket" krb5.conf(5) . SSSD KCM . KCM systemd(1) . SSSD "kcm" "service" . systemctl start sssd-kcm.socket systemctl enable sssd-kcm.socket . (THE CREDENTIAL CACHE STORAGE) SSSD. "/var/lib/sss/secrets" . (OBTAINING DEBUG LOGS) sssd-kcm systemd(1) . /etc/sssd/sssd.conf /etc/sssd/conf.d/ : [kcm] debug_level = 10 sssd-kcm : systemctl restart sssd-kcm.service . KCM /var/log/sssd/sssd_kcm.log . sssd-kcm . /etc/sssd/sssd.conf . (RENEWALS) sssd-kcm TGT ccache KCM . . KCM [kcm] : tgt_renewal = true krb5_renew_interval = 60m SSSD krb5 . tgt_renewal = true tgt_renewal_inherit = domain-name krb5 [kcm] : krb5_renew_interval krb5_renewable_lifetime krb5_lifetime krb5_validate krb5_canonicalize krb5_auth_timeout (CONFIGURATION OPTIONS) KCM "kcm" sssd.conf . KCM "kcm" sssd.conf "sssd-kcm" : systemctl restart sssd-kcm.service "FILE FORMAT" sssd.conf(5) . SSSD "debug_level" "fd_limit" kcm . sssd.conf(5) . KCM . socket_path () KCM . : /var/run/.heim_org.h5l.kcm-socket : systemd sssd-kcm.socket . max_ccaches ( ) KCM . : 0 ( UID ) max_uid_ccaches ( ) KCM UID . " (principal) kinit ". : 64 max_ccache_size ( ) ccache . . : 65536 tgt_renewal () TGT . : False ( ) tgt_renewal_inherit () krb5_* TGT . : NULL krb5_auth_timeout ( ) . () . : 6 krb5_validate () krb5_keytab TGT . keytab (realm) . keytab . - (cross- realm trust) keytab keytab . : false ( IPA AD true) PAC ( 'pac_check' sssd.conf(5) ). PAC . krb5_renewable_lifetime () : s m h d . s . : . '1h30m' '90m' . : TGT krb5_lifetime () : s m h d . s . : . '1h30m' '90m' . : KDC . krb5_renew_interval () TGT . TGT : s m h d . s . : . '1h30m' '90m' . 0 . : krb5_canonicalize () (canonicalize) . MIT Kerberos 1.7 . : false (SEE ALSO) sssd(8), sssd.conf(5), (AUTHORS) The SSSD upstream - https://github.com/SSSD/sssd SSSD 06/09/2026 SSSD-KCM(8)