/var/log/wtmp SuSE log permission rollback Post: 302486881

10 More Discussions You Might Find Interesting

1. Red Hat

changing wtmp ownership and permission

Hi, I am using redhat AS 3. Recently, I was asked to implement a security control on the OS: to change ownership of /var/log/wtmp to root:sys and permission to 600. However, when I made the change and reboot the machine, everything was reverted. How come? Please help. The following is the...

2. AIX

Impacts of emptying /var/adm/wtmp file ?

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...

3. Solaris

diff b/w /var/log/syslog and /var/adm/messages

hi sirs can u tell the difference between /var/log/syslogs and /var/adm/messages in my working place i am having two servers. in one servers messages file is empty and syslog file is going on increasing.. and in another servers message file is going on increasing but syslog file is...

4. AIX

/var/adm/wtmp - few entries & huge size.

Hi all. I have a strange case on one of my AIX boxes. /var/adm/wtmp on server01 is ~ 400MB large but it only has ~1200 lines. For example on server02 there are ~85000 lines and the file is ~158MB large. I check lines through 'last | wc -l'. But when I check line directly with 'wc -l...

5. Solaris

Difference between /var/log/syslog and /var/adm/messages

Hi, Is the contents in /var/log/syslog and /var/adm/messages are same?? Regards

6. Shell Programming and Scripting

How can view log messages between two time frame from /var/log/message or any type of log files

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8. SuSE

Non root user want to see /var/log/messages - any suse equivalent of Solaris dmesg

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LEARN ABOUT LINUX

reboot

reboot(8)						      System Manager's Manual							 reboot(8)

NAME

       reboot, halt, poweroff - reboot or stop the system

SYNOPSIS

       reboot [OPTION]...

       halt [OPTION]...

       poweroff [OPTION]...

DESCRIPTION

       These programs allow a system administrator to reboot, halt or poweroff the system.

       When  called  with  --force or when in runlevel 0 or 6, this tool invokes the reboot(2) system call itself and directly reboots the system.
       Otherwise this simply invokes the shutdown(8) tool with the appropriate arguments.

       Before invoking reboot(2), a shutdown time record is first written to /var/log/wtmp

OPTIONS

       -f, --force
	      Does not invoke shutdown(8) and instead performs the actual action you would expect from the name.

       -p, --poweroff
	      Instructs the halt command to instead behave as poweroff.

       -w, --wtmp-only
	      Does not call shutdown(8) or the reboot(2) system call and instead only writes the shutdown record to /var/log/wtmp

       --verbose
	      Outputs slightly more verbose messages when rebooting, useful for debugging problems with shutdown.

ENVIRONMENT

       RUNLEVEL
	      reboot will read the current runlevel from this environment variable if set in preference to reading from /var/run/utmp

FILES

       /var/run/utmp
	      Where the current runlevel will be read from; this file will also be updated with the runlevel record being replaced by  a  shutdown
	      time record.

       /var/log/wtmp
	      A new runlevel record for the shutdown time will be appended to this file.

AUTHOR

       Written by Scott James Remnant <scott@netsplit.com>

REPORTING BUGS

       Report bugs at <https://launchpad.net/upstart/+bugs>

COPYRIGHT

       Copyright (C) 2009 Canonical Ltd.
       This is free software; see the source for copying conditions.  There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
       LAR PURPOSE.

SEE ALSO

       shutdown(8) telinit(8) runlevel(8)

Upstart 							    2009-07-09								 reboot(8)

10 More Discussions You Might Find Interesting

1. Red Hat

changing wtmp ownership and permission

Discussion started by: voa2mp3

2. AIX

Impacts of emptying /var/adm/wtmp file ?

Discussion started by: Browser_ice

3. Solaris

diff b/w /var/log/syslog and /var/adm/messages

Discussion started by: tv.praveenkumar

4. AIX

/var/adm/wtmp - few entries & huge size.

Discussion started by: robroy