Since you didn't post your whole script (or at least the complete while loop ), the isn't much I can say about it since it works as far as checking for differences and sleeping. The minute it finds a difference, then it runs an endless loop - making assumtions about how you have it set up as follows:
last_alert.tmp is set up the same as new_alert.tmp (tail of /var/adm/messages).
while it's running, I change last_alert.tmp to cause the program to go to the else statement.
Code:
#!/bin/ksh
tail /var/adm/messages > new_alert.tmp
while true
do
diff new_alert.tmp last_alert.tmp
if [ $? -eq 0 ]
then
echo No new alert messages `date`
sleep 15
else
continue
fi
done
exit
Hello,
I host a couple of Call of Duty gameing servers. There are some hackers who love the crash them. When they crash them it simply causes a segmentaion fault and kills the PID. I was wondering it you could help me write a script to simply restart the program after it has been crashed. The... (9 Replies)
:confused: Everytime our UNIXWARE 7 Server is restarted we also have to restart the spooler. If the spooler is not restarted, print jobs get stuck in the queu. Once restarted by using the following command lpstop and lpstart everything works fine.
Does anyone have any ideas what could be causing... (0 Replies)
Hi!
My unix os version is OSF1 CP1 V4.0 878 alpha.
It startup normally but it restarts within 5 sec.
I would like to know how to solve .
Please reply to me.
Thanks .
akzin (2 Replies)
HI
We have Compaq ML350 G2 server with UNIX SCO 5.0.5 OS , can anyone help us to get rid about the system restarting problem by itself every after2-24 hours with following error " MEMORY CORE DUMP " .
Waiting for your ASAP help.
Thank You . (4 Replies)
Hello people,
My solaris server is rebooting, not sure how!!! Which log should I look in to? I checked /var/adm/messages and dmesg also. How do I check older dmesg logs? I checked lastlog and also ran the last command. Nothing useful pointing to why server rebooted.
Also when server reboots I... (4 Replies)
Hi All,
I can seem to find the syslog daemon in the /etc/init.d/ dir. i have made change to the syslog.conf i need to restart the daemon. am using solaris 10. i have no problem on version 9
Anyone with a template i can use for log review for auditing purposes. (1 Reply)
Hi,
I use gfortran to run the code. Some times I need to stop the program
and restart it. On restarting I need to run the program from the beginning.
Is there any script or option available to restart the program from where
it stopped? This script/option will be immensely useful for... (2 Replies)
Hi,
How is it possible to restart only your process. I can get the process killed but I am not able to start it.
For eg : i first did this ps -ef|grep _out --displays all the process with _out in the name
then I killed kill -15 36044 -- process id.
Now how can i start the same... (1 Reply)
Hi friends,
I have one unix command which is used to check the network status manually.
followig is the command
check_Network this command give follwoing status
Network 1 is ok
Network 2 is ok
network 3 is ok
network 4 is ok
.
.
.
.
Network 10 is... (8 Replies)
Environment: SUSE 10.3
I made a configuration change in '/etc/syslog-ng/syslog-ng.conf' file in a server.
An article found on web says "After the change '/etc/init.d/syslog-ng' should be restarted". But there is no 'syslog-ng' in /etc/init.d directory.
What is syslog-ng or a... (4 Replies)
Discussion started by: JDBA
4 Replies
LEARN ABOUT SUNOS
lofs
lofs(7FS) File Systems lofs(7FS)NAME
lofs - loopback virtual file system
SYNOPSIS
#include <sys/param.h>
#include <sys/mount.h>
int mount (const char* dir, const char* virtual, int mflag, lofs, NULL, 0);
DESCRIPTION
The loopback file system device allows new, virtual file systems to be created, which provide access to existing files using alternate
pathnames. Once the virtual file system is created, other file systems can be mounted within it, without affecting the original file sys-
tem. However, file systems which are subsequently mounted onto the original file system are visible to the virtual file system, unless or
until the corresponding mount point in the virtual file system is covered by a file system mounted there.
virtual is the mount point for the virtual file system. dir is the pathname of the existing file system. mflag specifies the mount options;
the MS_DATA bit in mflag must be set. If the MS_RDONLY bit in mflag is not set, accesses to the loop back file system are the same as
for the underlying file system. Otherwise, all accesses in the loopback file system will be read-only. All other mount(2) options are
inherited from the underlying file systems.
A loopback mount of '/' onto /tmp/newroot allows the entire file system hierarchy to appear as if it were duplicated under /tmp/newroot,
including any file systems mounted from remote NFS servers. All files would then be accessible either from a pathname relative to '/' or
from a pathname relative to /tmp/newroot until such time as a file system is mounted in /tmp/newroot, or any of its subdirectories.
Loopback mounts of '/' can be performed in conjunction with the chroot(2) system call, to provide a complete virtual file system to a
process or family of processes.
Recursive traversal of loopback mount points is not allowed. After the loopback mount of /tmp/newroot, the file /tmp/newroot/tmp/newroot
does not contain yet another file system hierarchy; rather, it appears just as /tmp/newroot did before the loopback mount was performed
(for example, as an empty directory).
Examples
lofs file systems are mounted using:
mount -F lofs /tmp /mnt
SEE ALSO lofiadm(1M), mount(1M), chroot(2), mount(2), sysfs(2), vfstab(4), lofi(7D)WARNINGS
Loopback mounts must be used with care; the potential for confusing users and applications is enormous. A loopback mount entry in
/etc/vfstab must be placed after the mount points of both directories it depends on. This is most easily accomplished by making the loop-
back mount entry the last in /etc/vfstab.
SunOS 5.10 10 Apr 2001 lofs(7FS)