There this one Ubuntu 10.04.3 server which is not reporting any network
stats. I keep seeing these errors in the syslog:
Jan 21 03:23:14 opteron16 /usr/sbin/gmond[29846]: slurpfile() open() error
on file /proc/net/dev: No such file or directory
Jan 21 03:23:14 opteron16 /usr/sbin/gmond[29846]: update_file() got an
error from slurpfile() reading /proc/net/dev
This is what root can see:
root@opteron16:/# ls -l | grep proc
dr-xr-xr-x 290 root root 0 2012-01-14 02:03 proc
root@opteron16:/# ls -l proc | grep net
lrwxrwxrwx 1 root root 8 2012-01-21 03:29 net -> self/net
root@opteron16:/# ls -l proc/net/ | grep dev
-r--r--r-- 1 root root 0 2012-01-14 02:05 dev
gmond runs under the ganglia user which is:
root@opteron16:/# cat /etc/passwd | grep ganglia
ganglia:x:111:119:Ganglia Monitor:/var/lib/ganglia:/bin/false
When I try to access /proc/net/dev with this user:
root@opteron16:/# su -s /bin/bash ganglia
ganglia@opteron16:/$ ls -l /proc | grep net
lrwxrwxrwx 1 root root 8 2012-01-21 19:49 net -> self/net
ganglia@opteron16:/$ ls -l /proc/net/
ls: reading directory /proc/net/: Invalid argument
total 0
ganglia@opteron16:/$ cat /proc/net/dev
cat: /proc/net/dev: No such file or directory
Any pointers will be greatly appreciated, Gerhard.
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