Blogs
In this blog, I’ll be demonstrating how to set up master-slave JMeter set up in multiple AWS regions. The aim is to generate load from multiple regions or multiple AZs in order to get a flavour of real load. For this purpose I am using EC2 servers, so a master server in Oregon region and the slave is running in N.Virginia region. ...
Capistrano is a tool to perform tasks on multiple servers over SSH. We can use Capistrano to deploy code on multiple servers running under auto-scaling. Below is one of the use cases which I solved with the help of Capistrano and bash scripts. I've used Capistrano for code deployment and its management using bash shell script. Use...
Chef, a configuration management tool not only brings a lot of functionality to DevOps but can also ease the process of multiple deployments at the same time. A major use case of Chef is to deploy the latest code on your old as well as new production servers. Chef, with its enormously great functionalities, can even replace continuous...
Load testing using JMeter from a single server generally yields the inaccurate result which doesn’t meet the real-time scenario. When performing load test from a single server, there are some network bottlenecks which restrict JMeter to perform an accurate load test. If the number of users exceeds a limit, the network starts getting...
Let us consider a scenario when all the service and custom logs of your ubuntu server gets backed up on S3 on a daily basis after compressing them and the allocated space is freed without using any third party software. We can achieve this task by the use of logrotate utility provided by the ubuntu server. Log rotation means the...
Pingdom is a tool which is used for monitoring websites’ availability in real time. Now we can interact with pingdom using its REST API with the help of python scripts. Every time, a deployment is made on production servers, the pingdom tool throws a downalert because several services like tomcat, apache etc need to be restarted....
Suppose, you have multiple servers running a simple web application on apache or Nginx and you want to put all the error/access logs on a centralized place so that you can troubleshoot your system in case of any error after getting alert notification configured on your logs . Here is an amazing feature of Amazon Web Services...