git.wh0rd.org / sysvinit.git / blame
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1 | '\" -*- coding: UTF-8 -*- |
| 2 | .\" Copyright (C) 2010 Michael Krapp | |
| 3 | .\" | |
| 4 | .\" This program is free software; you can redistribute it and/or modify | |
| 5 | .\" it under the terms of the GNU General Public License as published by | |
| 6 | .\" the Free Software Foundation; either version 2 of the License, or | |
| 7 | .\" (at your option) any later version. | |
| 8 | .\" | |
| 9 | .\" This program is distributed in the hope that it will be useful, | |
| 10 | .\" but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 | .\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 | .\" GNU General Public License for more details. | |
| 13 | .\" | |
| 14 | .\" You should have received a copy of the GNU General Public License | |
| 15 | .\" along with this program; if not, write to the Free Software | |
| 16 | .\" Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| 17 | .\" | |
| 18 | .TH UTMPDUMP 1 "Februar 8, 2010" "" "Linux System Administrator's Manual" | |
| 19 | .SH NAME | |
| 20 | utmpdump \- dump UTMP and WTMP files in raw format | |
| 21 | .SH SYNOPSIS | |
| 22 | .B utmpdump | |
| 23 | .RB [ \-froh ] | |
| 24 | .I filename | |
| 25 | .SH DESCRIPTION | |
| 26 | \fButmpdump\fP is a simple program to dump UTMP and WTMP files | |
| 27 | in raw format, so they can be examined. | |
| 28 | .SH OPTIONS | |
| 29 | .IP \fB\-f\fP | |
| 30 | output appended data as the file grows. | |
| 31 | .IP "\fB\-r\fP" | |
| 32 | reverse. Write back edited login information into utmp or wtmp files. | |
| 33 | .IP \fB\-o\fP | |
| 34 | use old libc5 format. | |
| 35 | .IP \fB\-h\fP | |
| 36 | usage information. | |
| 37 | .PP | |
| 38 | utmpdump can be useful in cases of corrupted utmp or wtmp entries. | |
| 39 | It can dump out utmp/wtmp to an ASCII file, then that file can | |
| 40 | be edited to remove bogus entries and reintegrated, using | |
| 41 | .PP | |
| 42 | .sp 1 | |
| 43 | .in +1c | |
| 44 | .nf | |
| 45 | \fButmpdump -r < ascii file > wtmp\fP | |
| 46 | .fi | |
| 47 | .in -1c | |
| 48 | .sp 1 | |
| 49 | but be warned as | |
| 50 | .B utmpdump | |
| 51 | was written for debugging purpose only. | |
| 52 | .SH BUGS | |
| 53 | You may | |
| 54 | .B not | |
| 55 | use the option \fB\-r\fP as the format for the | |
| 56 | utmp/wtmp files strongly depends on the | |
| 57 | input format. This tool was | |
| 58 | .B not | |
| 59 | written for normal use but for debugging. | |
| 60 | .SH AUTHOR | |
| 61 | Michael Krapp | |
| 62 | .SH "SEE ALSO" | |
| 63 | .BR last (1), | |
| 64 | .BR w (1), | |
| 65 | .BR who (1), | |
| 66 | .BR utmp (5), |