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Questions tagged [healthcheck]

108 questions
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Strange Apache CustomLog behavior

I'm adding a Docker healthcheck function which I've successfully done in one container, but adding the same code to a different container is behaving strangely. Essentially, I'm simply trying to not log certain requests, using an env var. In…
J. Scott Elblein
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Apache httpd: mod_proxy_hcheck URL based HTTP basic authentication

I am trying to use mode_proxy_hcheck to do health checks and failover for an application that requires HTTP Basic authentication. BalancerMember http://username:password@hostname1 hcmethod=GET hcexpr=expression…
theeGwandaru
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Keepalived: Transitioning to backup node not happening when check script on master server finds service is down for an applicaiton

I am trying to configure keepalived in such a way that if any application or service running on master node fails, keepalived should consider it as fault and backup node should act as master and take over the floating IP from master node. I have…
Muhammad Munir
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docker health check for disk space not working as intended

I've got an nginx container which ends up with a full disk after it's been running for about 10 days. So if a new version of the app isn't released, errors start to occur that look like; 2022/01/15 22:45:04 [crit] 13#13: *406812 mkdir()…
markwalker_
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How to health check a distributed NAT gateway?

I am using Google Cloud Platform and have manually setup a NAT gateway to peer two networks A and B so that workloads in network A have a default gateway which routes packets into network B. The gateway is implemented as a managed instance group…
dippynark
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Is there any monitoring tools to create scenarios/dependencies check?

My team and I got the project to test a new monitoring solution that allow us to : Perform classical monitoring checks (through SNMP, ping, sensor status, vendor librairies etc...) Perform checks in chain or healthchecks, like a scenario, for…
motorbass
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Google cloud loadbalancer health checks cause a load on servers

I have configured a load balancer https on google cloud with a health check having following parameters: healthcheck : Interval : 30 seconds Timeout : 15 seconds Healthy threshold: 1 success Unhealthy threshold : 2 consecutive failures I have…
Julie
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Using SSH in check of Consul

I have a server with a dockerized Consul Agent (CA). In this CA, I want to run a script from the host who checks how many disk space left in a service check. For this, I created a service in the CA : { "service": { "name":…
M4kn4sh
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Ceph Cluster - Reduced data availability: 96 pgs inactive And All OSD Nodes Are Down

I set up my Ceph Cluster by following this document. I have one Manager Node, one Monitor Node, and three OSD Nodes. The problem is that right after I finished setting up the cluster, the ceph health returned HEALTH_OK for all three nodes. However,…
Shaghayegh Tavakoli
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How to stop requests on PHP server while it is running cron job sheduled PHP script?

I have a situation when some DDOS attacks are putting my PHP server down. Occasionally. I'm using AWS with auto scaling groups, so it is not a problem. The problems start when this server is going down in the middle of the cron job scheduled PHP…
Yevgeniy Afanasyev
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Implementing Health Check for Websites Hosted Behind a Shared LB

we host 4 web servers behind a shared load balancer. We don't have control over this Citrix NetScaler load balancer. We submit tickets to make changes as needed. Recently, one of the web servers started to have issues like slow backend response…
Ismet D.
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Check health of my system such as database connections, mainframe connections, messaging services etc

I am so new to this topic that I am not even sure I am asking it correctly but I will give my best. We have number of applications talking to databases such as Oracle and Mainframe and uses messaging services. I wonder if there is some tool or a…
dbnex14
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Proxy HTTPS requests internally to the internet

Due to security reasons, one of our hosts HOST-B doesn't have a connection to the internet. But I need to set up HTTPS traffic to healthchecks.io to monitor cron jobs. All incoming traffic is proxied with HAproxy through HOST-A. How is it possible…
aardbol
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Creating memory check via nagios core

How to check memory and incoming/outgoing connections of host. I have created memory usage i am getting error as below. Name of service:Memory Usage Status:UNKNOWN Last Check:03-13-2020 04:05:45 Duration:0d 0h 17m 6s Attempt:4/4 Status Info:…
GauravG
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Is there a way to setup ping check for remote host in Azure?

I'm trying to find a way in Azure to setup some service to be able to do ping check on remote host not hosted in Azure and alert when it is not reachable. For example On-Premises server with PIP.
Vardges Stepanyan
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