Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [monitoring]

Applications or appliances that observe machines, systems and networks to find problems and notify administrators.

0
votes
1answer
6 views

Zabbix: system.cpu.load[<cpu>,<mode>]

I installed Zabbix 4.0 and going through Quickstart: https://www.zabbix.com/documentation/devel/manual/quickstart/item I've added system.cpu.load[<cpu>,<mode>] (that's the key that is ...
0
votes
0answers
23 views

How to find which processes caused the system slowdowns? To be used after reboot

For the last few days my Ubuntu 16.04 suffers random slowdowns that it prevents the apps from loading and doesn't even allow me to connect via SSH. The only way I can resolve it is by rebooting the ...
-2
votes
0answers
18 views

Port monitoring software or category of solution [migrated]

I need help finding a piece of software, or at least a type of software. I have an application server that runs MANY programs on MANY ports, my use case involves multiple DB servers, email, multiple ...
0
votes
1answer
37 views

Monitor and act on another process CPU consumption [closed]

I'm looking for away to monitor a specific process CPU consumption and act if the process didn't consume any CPU for the last X minutes/seconds on linux. The use case it that I've a machine on EC2 (...
0
votes
1answer
8 views

Use serviceescalation to “de-escalate” notifications

Is it OK to use the serviceescalation Nagios facility to reduce frequency of the notifications sent? The idea is to setup a generic service template with frequent notifications by default and provide ...
-1
votes
0answers
23 views

nagios check client over openVPN

Client configured and worked reporting prior OpenVPN setup. Since we now run the client through a VPN the nagios server has no longer access to it. A basic check: command[check_swap]=/usr/lib/nagios/...
0
votes
0answers
42 views

Icinga2 notification when host goes up

I am using icinga2 and I would like to be notitfied when some hosts become up during a specific period of the day, and down during another specific period of the day (of course different from the ...
0
votes
0answers
12 views

Changing Munin disk latency warning levels

How can I change the warning levels of disk latency in Munin? They come from a munin plugin named "diskstats" and the name of my partition is "mapper_root". I would prefer a file that is put under /...
0
votes
0answers
84 views

Forbidden Invalid CSRF Token +monit

I have installed monit on AWS ec2 and it working fine. But when I try to restart the nginx service through monit UI,i got an error like "Forbidden Invalid CSRF Token +monit". My configuration check ...
0
votes
1answer
66 views

zabbix 3.2 - How to monitor RHEL7.2 services in zabbix

I am new in zabbix monitoring. I have 2 operation system to monitor windows and Linux and i have done monitoring windows services but i not getting any result on google to monitor linux server ...
0
votes
0answers
9 views

ASUS hardware monitoring

Would like to monitor remote ASUS server hardware status as we do for HP server with HP ProLiant Support Pack and DELL server with OpenManage Server Administrator (OMSA). So is there a similar ...
2
votes
1answer
43 views

What alerting setup can give me an overview of my Prometheus alert states?

I'm using prometheus and alertmanager to post messages to slack when alerts fire. Both are self-hosted in Kube. PII concerns prevent me from using a managed instrumentation solution. I'm looking for ...
0
votes
0answers
29 views

how to monitor Linux IP Route table change via SNMPD?

I am trying to use "inetCidrRoute" SNMP object, but it does not give out a clear number as "number of routes in the machine", how exactly can I do that? I want to make sure the number of routes does ...
0
votes
0answers
15 views

Why Icinga2 remote apt check is displaying results from master?

I've a icinga2 installation monitoring some debian hosts using native agent. All checks are working fine except apt. The results displayed are taken from the icinga2 master machine and I can't ...
0
votes
0answers
24 views

cassandra cluster monitoring using graphite -grafana

I am new to Cassandra and trying to setup monitoring tool to monitor Cassandra production cluster. So i have setup one graphite-grafana on one of the cassandra node & i'm able to get metrics of ...
0
votes
2answers
1k views

Someone just trying to hack me? login.cgi+wget

I'm build a new server on Apache, actually I am learning, so I'm trying different things. My security system is already done, but of course I may miss something, or, if not, I do understand that today ...
0
votes
0answers
106 views

snmp lsi/avago raid controller

First of all, I'm a complete SNMP newbee. My current situation: I need to monitor a LSI MegaRAID SAS 9361-8i in a Ubuntu 16.04 machine (let's call it fserv) with Zabbix. I managed to install/...
0
votes
1answer
75 views

Monitoring AWS RSS feed with zabbix

I ran into this post How to monitor an RSS with Zabbix and want to the same for all 4 AWS regions https://status.aws.amazon.com/ but no idea how to start
0
votes
1answer
22 views

Can I customise netdata not to alert me about 303 redirects?

I use 303 codes (correctly, I believe) to redirect a user after they've submitted a form. Unfortunately this means that a few times every day I get an alert from netdata along the lines of: netdata ...
0
votes
1answer
25 views

how to find out block and network used by docker container

I have confusion to understand docker container stats for NET I/O and BLOCK I/O. As per official documentation. NET I/O => The amount of data the container has sent and received over its network ...
0
votes
1answer
37 views

Does it make sense to monitor free memory and CPU usage on servers?

I am monitoring my servers infrastructure using Icinga2 with some master/satellite configurations. On Linux and Windows hosts I am monitoring the defaults system metrics like CPU usage and free ...
1
vote
1answer
97 views

Multiple certs on an ELB listener. Nagios monitoring only checks the default one, regardless of host name

So I have two sites running, each behind a single Amazon ELB. For the purpose of this post (and my companies privacy), using these hostnames for each: example.com anotherexample.com Certs are ...
0
votes
0answers
28 views

Cacti - Poller stopped after data source template changed - Old but gold

I'm new here and this is my first post :) I will try to explain, sorry ahead about my grammar We moved to GPDR few months ago, and my job is to fix all the graph which Stopped working, we notice it ...
0
votes
1answer
40 views

textfile for Windows

I need to export some custom metrics generated by a script under Windows. Under Linux, I am already doing it, based on Robust Perception / Brian Brazil article : The node exporter includes many ...
0
votes
1answer
149 views

Icinga 2 check_logfiles with Agent on Windows

I'd like to add a check_logfiles command on a windows machine. Do I have to use the NSClient++ or is it possible to do this with the Icinga 2 Client wich is already installed? I configured the Service ...
0
votes
1answer
117 views

Nagios 4.4.1 slows to crawl after about 1 week with frequent 100% CPU utilization

We are running a new Nagios Core server on Ubuntu 16 Server. Everything was running fine until today when all of a sudden, the site slowed to a crawl. Looking at top command results, we are seeing ...
0
votes
0answers
277 views

OCS-Inventory installation problems

Good Afternoon, I am trying to Install OCS Inventory Version 2.4 in Ubuntu 16.04 following the INSTALL within the installation folder, but right before completing while trying to copy files to /usr/...
1
vote
1answer
32 views

“not a proper statistics file” when reading sar log files

Why am I getting "not a proper statistics file" when reading sar log files? sysstat Version: 11.2.0-1ubuntu0.2 root@sandbox1:/var/log/sysstat# ls -lh total 4.5K -rw-r--r-- 1 root root 4.9K Jul 12 ...
-1
votes
1answer
57 views

Graphite does not show all the data points

My program is sending data item every second but when I refresh my graphite graph, I only see few of them. What am I missing here?
1
vote
0answers
30 views

capturing durations (intervals) between tracepoints in perf

When using the perf tool (Linux), is there any simple and convenient way to time durations between two tracepoints? The obvious use is for syscall sys_enter and sys_exit points like sys_enter_fsync ...
0
votes
2answers
81 views

Is icmp ping a reliable way to monitor host up/down in EC2?

We use icmp ping to determine host up/down status from icinga2 in our AWS EC2 environment. This works well, but we have had a handful of issues where host will fail ping but its services are still ok. ...
1
vote
0answers
27 views

Telegraf - two identical records with different tags

I’ll try to describe what I have and what I need. I appreciate if somebody will have some idea how to do it. :] I have around thousand servers where running different Apps. I would like to monitor OS ...
0
votes
1answer
50 views

Azure Security Center - Would the Monitoring Agent work on AWS and GCP VMs

I'm looking at Azure Security Center. I know it can be used to monitor not just VMs on Azure, but also VMs outside of Azure using an installable Monitoring Agent. My question is whether this agent ...
0
votes
0answers
99 views

On machine reboot via SNMP

Is it possible to reboot a windows or a linux machine via SNMP? Most of information I've found is related to the reload of the SNMP service itself, instead of host reboot.
0
votes
0answers
43 views

Zabbix Log Monitoring - Duplicate alerts ..Received multiple alerts [duplicate]

I have configured Zabbix to monitor my java application log for string "None of the configured nodes are available". Everything is working fine, Zabbix will send me alerts when there is a new String "...
0
votes
0answers
139 views

Xenserver: How to see local storage disk space used on command line?

Background: I'm running a mixed VMware and XenServer cluster with ESXi 6 and XenServer 6 and 7 systems, hosting Windows and Linux VMs. Everything is running free/unlicensed, so I have built my own ...
0
votes
1answer
47 views

How to monitor mysql status variables and push to slack?

I've been trying to find a free way to monitor mysql status variables and push a slack notification when certain variables hit a threshold (ie: large number of connections). At the moment, all the ...
0
votes
0answers
186 views

metrics collector + Failed to invoke 'unbuffer' + socket connection left open in CLOSE_WAIT state

we have hadoop cluster on redhat machines , while metrics collector installed and running on one of the master machines we see strange warning from the logs , and we cant understand what the meaning ...
1
vote
0answers
108 views

Monitoring NFS mounts for existence

The issue we are seeing is that some of our NFS mounted directories are disappearing. Literally just disappearing. They continue to exist at the server end. At the client (CentOS 7.4, using el-repo's ...
0
votes
0answers
47 views

Datadog reports 0 CPU idle, but server says close to 100% idle?

I have an open alert in Datadog for a monitor that measures CPU idle on our servers. It reports that one of our servers has hit 0% CPU idle. But when I run top on the server in question, it shows load ...
0
votes
1answer
779 views

How do I capture all packets on local wifi network using Wireshark settings -

I'm attempting to replicate a 'wifi cafe' setup in a home lab environment. I'd like to demonstrate that unencrypted (non-HTTPS) network traffic on a wifi network can be viewed by other wireless ...
4
votes
1answer
762 views

How can I install Stackdriver's monitoring agent on Ubuntu 18.04LTS?

I'm trying to use Stackdriver Monitoring on an Ubuntu 18.04 VM on Google Compute Engine. It looks like 18.04 isn't supported yet, even though it's an LTS release. I tried editing the install script ...
1
vote
0answers
44 views

What are network errors on munin graphs?

I have an VPS running OpenVPN server, that also does have munin installed for monitorig (I've installed it not because it's a real need, but because all these graphs looks cool). At first I've ...
0
votes
3answers
52 views

Server monitoring service in reverse? [closed]

Is there any hosted monitoring service that my server can call on a set interval and if it doesn't it sends me an email or sms? I can find any number of services that pings my server. That doesn't ...
0
votes
1answer
22 views

Does nagios XI support notifcations based on a threshold percentage of the number of services in a hostgroup that are in a critical state?

Say there's a hostgroup defined on a Nagios server; and that hostgroup has a notification set up to go off when a certain service or services reach a critical state then a notification email will be ...
0
votes
0answers
11 views

Monitor outgoing connections to destination port - get program / script names

I want to log programs that establish connections to destination port 25 / outgoing email ports. I need to know the program / process and where it is located in the filesystem. Is this possible with ...
0
votes
1answer
24 views

Monitoring - Calculate bandwidth usage of images

Is there a way to find out the bandwidth usage of a certain mime-type on Windows Server? Eg. How much GB of images is my server serving each month?
1
vote
0answers
93 views

check_mk using ssh tunnels/ssh proxy

I'm trying to setup monitoring with check_mk and wanted to see if this is possible. My issue is as follows: Layout: Monitoring server: 1.1.1.1 Bastion server: 2.2.2.2 Host A: ...
0
votes
1answer
1k views

monitoring/troubleshooting aws rds high cpu usage

I have an RDS instance running and it uses an average of 20-30% cpu utilization. Last night it spiked up to 80% for a few minutes and I am trying to figure out why. Error logs show nothing, and I have ...
0
votes
1answer
23 views

Check website with through multiple IP address, without changing DNS

I want to automate my website uptime and availability testing. i have sucuri proxy in place, after that there is a load balancer, and then there are application servers behind load balancer. is there ...