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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), |