Devops

In this article we will see how to view and clear BIND DNS server cache. A DNS server can cache the DNS records which was pr ... # cat /var/named/data/cache_dump.db |grep yahoo [[email protected] var]#   You can see that cached dns records are gone.

  Graylog is one of the most powerful and sophisticated log aggregation tool which is widely popular nowdays. You can forwar ... rt 5000 which in turn send to Graylog input port 12500. If everything goes well you should be able to see the logs on web GUI

  Compiling HAProxy with Lua support Haproxy  requires Lua 5.3 or later. Lua version 5.3  is young and you may not fin ... hen return “backend2” end return “backend1” end)    I have posted more sample haproxy-lua scripts here , please checkout.

  In this article we will explain how to start/Run HAproxy in foreground.HAproxy is an open source software loadbalancer whi ... e, 0 requeued, 0 remaining in queue.   You can see that HAproxy started on foreground and printing debug logs to console.

HAProxy is a powerful load balancer which can be used to Load Balance your Webservers, Database servers and many more. In Ver ... g You can watch the messages on the console, if you face any issue. Feel free to contact me if you face any issue ????

In this article we will discuss load testing DNS using DNSperf When i was setting up my internal DNS servers, I wanted to kno ... feel free to drop us a note if you have any queries or feedbacks using our comment form below. Always happy to help you ????

As you know , putting your container images in Docker public Registry is not a good idea, because anyone can pull it from doc ... se iptables/firewalld for this. Feel free to contact me if you have any questions or feedbacks, using the comments below ????

In this article we will see how to install and configure Netdata with InfluxDB backend Netdata is a popular Monitoring tool   ... ve created a video on how to add and visualize InfluxDB data using Grafana   Please let me know if you face any issue ????  

Unlike apache webserver, in Nginx , modules are built  into nginx binary itself . It is not possible build these modules sepa ... =generic’ –with-ld-opt=’ -Wl,-E’ You can see that modules ipv6, ssl, realip , gzip and many more are enabled .  

Consul is a distributed, highly available service discovery and configuration system. It can be used to present your services ... P and Ports, which application exposed. I will explain Consul clustering, in next article. Let me know if you face any issue.

Prometheus is a distributed monitoring system, which fetches and stores time-series data. It can also take actions on this da ... .15:9090/ You should be able to see the metrics under the metrics drop down list. Please check attached screenshots