faillog(5) File Formats and Configuratio faillog(5) faillog - /var/log/faillog maintains a count of login failures and the limits for each account. , . , , , , ( ) . : struct faillog { short fail_cnt; short fail_max; char fail_line[12]; time_t fail_time; long fail_locktime; }; /var/log/faillog faillog(8) shadow-utils 4.20.0 07/30/2026 faillog(5)