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Full Discussion: Problems after filesystem housekeeping
Operating Systems HP-UX Problems after filesystem housekeeping Post 302995017 by anaigini45 on Friday 31st of March 2017 12:39:44 AM
Old 03-31-2017
Problems after filesystem housekeeping
I have noticed that after I clear up the /var filesystem, there are always problems.

Does deleting the OLDsyslog.log file cause problems like missing directories and problems accessing crontabs?

There were two situations where I faced problems.
1) Deleted OLDsyslog.log (Of course I created an archive of this before deleting).
The next day there were problems of missing directories in a path not even related to the log which is /var/adm/syslog.

2) In this situation, I also did the same - deleted old syslog, and backdated ones, and now there is another problem, whereby users are not able to access their crontab :

Code:
$ crontab -l
crontab: you are not authorized to use cron.  Sorry.
bscs.L28bi02> (/bscsbin/lisa)

And so I checked the server, and found that even the cron directory went missing! So this means that everything under cron like cron.allow was gone. I had to manually create the directory and this file for the user to be able to use it again.

Now the user can list the crontab entries, but not able to save new cron entries :
Code:
/var/tmp/aaaa15475" 277 lines, 14951 characters cron may not be running - call your system administrator

I restarted cron, then I can save the entries.

Also, I realize now that many directories in /var/adm are missing. Like /var/adm/sa, /var/adm/syslog.
I cannot even get any output from the command "last". (To check who deleted the files). The error is :

Code:
# last
 : No such file or directory

Last edited by anaigini45; 03-31-2017 at 01:53 AM..
 

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LEARN ABOUT SUSE

extlinux

extlinux(1)						      General Commands Manual						       extlinux(1)

NAME

       extlinux - install the SYSLINUX bootloader on a ext2/ext3 filesystem

SYNOPSIS

       extlinux [options] directory

DESCRIPTION

       EXTLINUX is a new syslinux derivative, which boots from a Linux ext2/ext3 filesystem.  It works the same way as SYSLINUX, with a few slight
       modifications.  It is intended to simplify first-time installation of Linux, and for creation of  rescue  and  other  special-purpose  boot
       disks.

       The  installer is designed to be run on a mounted directory.  For example, if you have an ext2 or ext3 usb key mounted on /mnt, you can run
       the following command:

	      extlinux --install /mnt

OPTIONS

       -H, --heads=#
	      Force the number of heads.

       -i, --install
	      Install over the current bootsector.

       -O, --clear-once
	      Clear the boot-once command.

       -o, --once=command
	      Execute a command once upon boot.

       -r, --raid
	      Fall back to the next device on boot failure.

       --reset-adv
	      Reset auxiliary data.

       -S, --sectors=#
	      Force the number of sectors per track.

       -U, --update
	      Updates a previous EXTLINUX installation.

       -z, --zip
	      Force zipdrive geometry (-H 64 -S 32).

BUGS

       I would appreciate hearing of any problems you have with SYSLINUX.  I would also like to hear from you if you have successfully	used  SYS-
       LINUX, especially if you are using it for a distribution.

       If  you	are reporting problems, please include all possible information about your system and your BIOS; the vast majority of all problems
       reported turn out to be BIOS or hardware bugs, and I need as much information as possible in order to diagnose the problems.

       There is a mailing list for discussion among SYSLINUX users and for announcements of new and test versions. To  join,  send  a  message	to
       majordomo@linux.kernel.org with the line:

SEE ALSO

       syslinux(1)

SYSLINUX for ext2/ext3 filesystem				 18 December 2007						       extlinux(1)
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