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Feb
10
awarded  Yearling
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awarded  Popular Question
Aug
20
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Aug
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Aug
17
comment How to determine what command is run in a Nagios service?
It is indeed a passive service, and you're right: it's the host itself running the command & feeding the result to the server. (In my case, it's a cron job on the host that eventually calls send_nsca)
Aug
17
accepted How to determine what command is run in a Nagios service?
Aug
17
asked How to determine what command is run in a Nagios service?
Jun
18
awarded  Editor
Jun
18
revised Linux locale: en_US.UTF-8 vs en_US
correct typo
Jun
18
awarded  Critic
Jun
18
answered Linux locale: en_US.UTF-8 vs en_US
Jun
5
comment Cannot start ApacheDS (fresh install)
The OP is running ApacheDS (an LDAP server), which is entirely separate from Apache httpd, the webserver. /var/log/httpd/error.log isn't the right log file. (And doesn't exist, in my case, and I have the OP's problem!)
Feb
24
comment Why is mongod not using all available RAM?
This DB has been up for at least a week. The page faults/s are increasing, but the RSS of Mongo isn't, which is what concerns me. If we were "pre-heating", the RSS of Mongo would be increasing with the page faults. What do you mean by "do all VMs show the same limitation?" (I unfortunately have only one production. The secondary DB servers are calm in terms of page faults / s.)
Feb
24
comment Why is mongod not using all available RAM?
Thanks for the answer! I'll try to take a look at blockdev RA, that might help. As my post says, we're seeing horribly low RSS in mongo: around 1/6th the total RAM; we do use MMS, and pagefaults is a straight line going up at a rate that's alarming us. (On the memory graph, virtual and mapped are growing linearly, resident is constant.) I think NUMA isn't an issue (it's a VM? do VMs have NUMA?); dmesg says "NUMA turned off", and we're not swapping.
Feb
24
awarded  Student
Feb
23
comment Ports blocked on ubuntu 13.10 vps
1. Would you mind editing your answer to have the copy/pasted output of netstat -ntlp and iptables --list? 2. Can you curl localhost:10000 successfully? Have you contacted your VPS provider and/or read their docs to ensure that you're supposed to be able to use those ports?
Feb
23
asked Why is mongod not using all available RAM?
May
28
suggested rejected edit on 100% uptime for a web application
Oct
18
awarded  Teacher
Oct
18
answered How to avoid changes in file-permission of any file by transfering to other place?