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kcm: is a process based credential cache for Kerberos tickets.

kcm - is a process based credential cache for Kerberos tickets.
kcm [--cache-name=cachename] [-c file | --config-file=file] [-g group | --group=group] [--max-request=size] [--disallow-getting-krbtgt] [--detach] [-h | --help] [-k principal | --system-principal=principal] [-l time | --lifetime=time] [-m mode | --mode=mode] [-n | --no-name-constraints] [-r time | --renewable-life=time] [-s path | --socket-path=path] [--door-path=path] [-S principal | --server=principal] [-t keytab | --keytab=keytab] [-u user | --user=user] [-v | --version]


kcm is a process based credential cache. To use it, set the KRB5CCNAME enviroment variable to 'KCM:uid' or add the stanza [libdefaults] default_cc_name = KCM:%{uid} to the /etc/krb5.conf configuration file and make sure kcm is started in the system startup files. The kcm daemon can hold the credentials for all users in the system. Access control is done with Unix-like permissions. The daemon checks the access on all operations based on the uid and gid of the user. The tickets are renewed as long as is permitted by the KDC's policy. The kcm daemon can also keep a SYSTEM credential that server processes can use to access services. One example of usage might be an nss_ldap module that quickly needs to get credentials and doesn't want to renew the ticket itself. Supported options: --cache-name=cachename system cache name -c file, --config-file=file location of config file -g group, --group=group system cache group --max-request=size max size for a kcm-request --disallow-getting-krbtgt disallow extracting any krbtgt from the kcm daemon. --detach detach from console -h, --help -k principal, --system-principal=principal system principal name -l time, --lifetime=time lifetime of system tickets -m mode, --mode=mode octal mode of system cache -n, --no-name-constraints disable credentials cache name constraints -r time, --renewable-life=time renewable lifetime of system tickets -s path, --socket-path=path path to kcm domain socket --door-path=path path to kcm door socket -S principal, --server=principal server to get system ticket for -t keytab, --keytab=keytab system keytab name -u user, --user=user system cache owner -v, --version KCM(8)

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