09-05-2009
clear/delete log from 'last' or 'lastlog' command
Dear Friends ,
From 'last' or 'lastlog' command , I can get the last login informations of the users . now as a system admin , If I want to delete the log information from this 'last' 'lastog' command , then is it possible to do ?
plz inform ... ...
10 More Discussions You Might Find Interesting
1. AIX
Hi
errclear seems not working on aix 4.3/rs6k, i can't clear HW error with errclear -d H 0 ??? what is wrong ?
thanks. (0 Replies)
Discussion started by: andryk
0 Replies
2. UNIX for Dummies Questions & Answers
Hi All
I'm currently writing a very simple UNIX script to process some work. The very first thing I do on my script is use the "clear" command.
how my file looks...
clear
echo "Return status: $?"
For some strange reason, the return status being returned is 1, not 0 as i expected.
... (2 Replies)
Discussion started by: djkane
2 Replies
3. UNIX for Advanced & Expert Users
Hai,
I have a program which updates the result in a log file, as the program runs 24*7,the size of log file keeps on increasing.
Can you help me with a shell command which will clear the content of a log file in use.
1) I tried tail -10 logfile > logfile ( the content is not changed )
2) >... (10 Replies)
Discussion started by: coolbhai
10 Replies
4. UNIX for Dummies Questions & Answers
Hi,
I have a user that has tried to print a job several times and has now filled up the que. How do i delete all the jobs in the que and what is the command?:confused: (1 Reply)
Discussion started by: nov_user
1 Replies
5. UNIX for Dummies Questions & Answers
hi,
i have an unix command which is as follows:
ctmfw /work/CDFC/landing/ZORC.txt CREATE 0 60 1 10 240
I think a txt file called ZORC gets created in the mentioned directory, i am not sure what 0 60 1 10 240 is. Is my understanding correct and also let me know what those numbers denote?... (4 Replies)
Discussion started by: eljcmscrlk
4 Replies
6. Solaris
hi
Any one can help me. I am using Sun_Solaris. The command history set to 100 at .cshrc. I am unable to clear the command histoy. In Linux it is very easy by giving command
history -c
I could not find any such type command to clear the history.
Is there any such type of command for solaris.... (3 Replies)
Discussion started by: prabir
3 Replies
7. Shell Programming and Scripting
I am unable to use clear or cls command on bash shell. I have recently installed Cygwin and am using that for practicing unix commands.
I see that I can use Ctrl + L to clear the screen. I created an alias in my .bashrc to do the same as
alias cls='^L'
This is how i defined other aliases ... (4 Replies)
Discussion started by: erora
4 Replies
8. UNIX for Dummies Questions & Answers
Hello everyone,
My question is quite simple, even if I didn't find an answer. I would want a command (maybe clear with some options ?) that can do the following : clear completely the console, as it is when we start a console for the first time.
My problem is that I sometimes display a lot... (5 Replies)
Discussion started by: Ben31400
5 Replies
9. Shell Programming and Scripting
I need to clear the screen after each iteration but i cannot place clear where it needs to go to do that. I just keep clearing the screen before i can even see the choice I make.
HWfile=~/home/daftdave/HW2
loop=y
while
do
tput cup 2 15 ; echo "File Menu List"
... (1 Reply)
Discussion started by: noob
1 Replies
10. Shell Programming and Scripting
Hi Folks,
When I type clear on my unix prompt on mac terminal, it prints the help menu of a program instead of cleaning the contents of the screen.
Also, I have used the following alias command to setup some shortcuts, but soon after I logout and login, these shortcuts doesn't work.
alias... (4 Replies)
Discussion started by: jacobs.smith
4 Replies
LEARN ABOUT LINUX
pam_lastlog
PAM_LASTLOG(8) Linux-PAM Manual PAM_LASTLOG(8)
NAME
pam_lastlog - PAM module to display date of last login
SYNOPSIS
pam_lastlog.so [debug] [silent] [never] [nodate] [nohost] [noterm] [nowtmp] [noupdate] [showfailed]
DESCRIPTION
pam_lastlog is a PAM module to display a line of information about the last login of the user. In addition, the module maintains the
/var/log/lastlog file.
Some applications may perform this function themselves. In such cases, this module is not necessary.
OPTIONS
debug
Print debug information.
silent
Don't inform the user about any previous login, just update the /var/log/lastlog file.
never
If the /var/log/lastlog file does not contain any old entries for the user, indicate that the user has never previously logged in with
a welcome message.
nodate
Don't display the date of the last login.
noterm
Don't display the terminal name on which the last login was attempted.
nohost
Don't indicate from which host the last login was attempted.
nowtmp
Don't update the wtmp entry.
noupdate
Don't update any file.
showfailed
Display number of failed login attempts and the date of the last failed attempt from btmp. The date is not displayed when nodate is
specified.
MODULE TYPES PROVIDED
Only the session module type is provided.
RETURN VALUES
PAM_SUCCESS
Everything was successful.
PAM_SERVICE_ERR
Internal service module error.
PAM_USER_UNKNOWN
User not known.
EXAMPLES
Add the following line to /etc/pam.d/login to display the last login time of an user:
session required pam_lastlog.so nowtmp
FILES
/var/log/lastlog
Lastlog logging file
SEE ALSO
pam.conf(5), pam.d(5), pam(7)
AUTHOR
pam_lastlog was written by Andrew G. Morgan <morgan@kernel.org>.
Linux-PAM Manual 06/04/2011 PAM_LASTLOG(8)