PAM_TIMESTAMP(8) Linux-PAM Manual PAM_TIMESTAMP(8) (NAME) pam_timestamp - (SYNOPSIS) pam_timestamp.so [timestampdir=directory] [timestamp_timeout=number] [verbose] [debug] (DESCRIPTION) pam_timestamp () . sudo . pam_timestamp (timestamp) timestampdir . pam_timestamp . (OPTIONS) timestampdir=directory pam_timestamp . timestamp_timeout=number ( ) pam_timestamp . . verbose . debug syslog(3). (MODULE TYPES PROVIDED) auth session . (RETURN VALUES) PAM_AUTH_ERR . PAM_SUCCESS . PAM_SESSION_ERR . (NOTES) . . (EXAMPLES) auth sufficient pam_timestamp.so verbose auth required pam_unix.so session required pam_unix.so session optional pam_timestamp.so (FILES) /var/run/pam_timestamp/... (SEE ALSO) pam_timestamp_check(8), pam.conf(5), pam.d(5), pam(8) (AUTHORS) pam_timestamp Nalin Dahyabhai . Linux-PAM 01/26/2026 PAM_TIMESTAMP(8)