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06-02-2008
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9 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
I would loke to read the WTMP file. This is a binary file in the /var/logs directory. Is there any utility which will convert this binary file to ASCII format? (1 Reply)
Discussion started by: pgold1
1 Replies
2. UNIX for Dummies Questions & Answers
Here's a usefull perl script to trim the wtmp file,
in case it got too big, which happens sometimes, or got curropted (which also happens often).
You could learn from here how to parse the wtmp file...
but of course for just reading its content always simply use "last" like Neo said....
... (0 Replies)
Discussion started by: me2unix
0 Replies
3. UNIX for Dummies Questions & Answers
When I type last oracle I get dates from Nov 28, 2000 all the way back to the beginning of time it seems. The 11-28-2000 entry states that Oracle is still logged in, but if you type a who, it shows only 1 entry - the currently logged in user (Me as oracle), but I logged in only minutes ago - and... (4 Replies)
Discussion started by: cuppjr
4 Replies
4. UNIX for Dummies Questions & Answers
Hi, is it ok if i delete wtmp on HPUX 11 under /var/adm
It is filling up that filesystem
Cheers (2 Replies)
Discussion started by: dsharples
2 Replies
5. Programming
Anyone have any idea on how to display the fields for each record stored in the wtmp file using C? Am I correct in thinking that the info stored in wtmp is in binary and that utmpx will be of some help? Being a beginner, I can come up with bits and pieces of what I might need in order to do the... (1 Reply)
Discussion started by: eclapton1
1 Replies
6. UNIX for Dummies Questions & Answers
I have AIX5.1
I have been trying to learn how to truncate the /var/adm/wtmp file.
I have seen several things on google actually but don't quite understand. I also searched your forums but couldn't find it.
one says this ">/var/adm/wtmp
Is that all I do?
I have a seperate question also. I was... (1 Reply)
Discussion started by: rocker40
1 Replies
7. AIX
Hello, we recently upgraded from AIX 5.2.9 to 5.3.6 and in the process the wtmp file was cleared out. Before the upgrade the system had not been rebooted in a very long time, so i'm curious if the clearing of the file is related to the upgrade or the reboot? If it was related to the reboot is... (2 Replies)
Discussion started by: zuessh
2 Replies
8. AIX
In our operating procedures, if a workstation has a space problem in the /var filesystem, one of the most frequent case we were told is the size of the /var/adm/wtmp file.
Someone once told me it is dangerous to do this. Is it ?
I cannot say for certain that whomever wrote that procedure is... (2 Replies)
Discussion started by: Browser_ice
2 Replies
9. AIX
sorry for being a noob, i am trying to find which user accessed the server at what time and there ip address at first i used who command but the output didn't contain the ip address then i used the last command which provided me with the ip of the users but when i searched i searched and found that... (1 Reply)
Discussion started by: hercules_1010
1 Replies
LEARN ABOUT OSF1
ac
ac(8) System Manager's Manual ac(8) NAME
ac - Outputs connect-session records SYNOPSIS
ac [-dp] [-w filename] [user(s) ...] FLAGS
Outputs the total connect time for each midnight-to-midnight period for which a wtmp file exists. When user(s) is specified, this flag lim- its the output to the login names specified by any user(s) parameter(s). Outputs the connect time total by individual login name of the user specified with the -p flag and the user(s) parameter. Omission of this flag permits a total only for the midnight-to-midnight time period for all logged in users to be produced. Specifies a wtmp file other than the /var/adm/wtmp file. The wtmp file you access for data may have been created automatically by some shell script administration command (for example, runacct) or manually by the system adminis- trator when the original /var/adm/wtmp file becomes too large. DESCRIPTION
The ac command prints to the default output device the total connect time in hours to the nearest hundredth for all users, or the connect time for any user(s) specified with the -p flag. It also prints the names of users specified by the user(s) parameter who have logged in during the life of the current /var/adm/wtmp file. Connect-time records are written by the init and the login programs and are collected in the /var/adm/wtmp file, when such a file exists. When a /var/adm/wtmp file does not exist, no connect-time accounting records are written; consequently, when connect-time records are wanted, the system administrator should create a /var/adm/wtmp file that has an initial record length of 0 (zero). Records in wtmp files (there may be more than one such file) should be processed periodically to keep the files from becoming too large. When you use the runacct command in a shell script, additional wtmp files can be automatically created whenever the current wtmp file becomes too large. You can output the contents of any of these other files when you specify the -w flag and the desired wtmp filename. The ac command is run independently with respect to any accounting shell procedure created or run by any of the acct/* shell procedures or runacct commands. EXAMPLES
To obtain an output of the total connect time for all users who have logged in during the life of the current wtmp data file, enter: /usr/sbin/ac To obtain an output of the total connect time for grossman and mcwhinney as recorded in the default wtmp data file, enter: /usr/sbin/ac grossman mcwhinney To obtain an output of the connect time subtotals for grossman and mcwhinney as recorded in the default wtmp data file, enter: /usr/sbin/ac -p grossman mcwhinney FILES
Specifies the command path. Is the active data file for the collection of connect-time records. RELATED INFORMATION
Commands: login(1), init(8) delim off ac(8)