Ansistrano is one among several Ansible Galaxy roles for simply managing deployment requirements of scripting applications like PHP, Python, and Ruby. It is in real Ansible added to Capistrano or in other words a modification of Capistrano. Ansible Galaxy is the website where users can take, manage and share roles. It also provides a command-line interface for working on roles for the user. Why Ansistrano? Ansistrano, an Ansible role globally distributed through Ansible Galaxy. Deployment processes in scripting could be easily managed using ‘ansistrano.deploy’ and ‘ansistrano.rollback’, which are examples of …
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NSclient++ is an agent which can be used to monitor Windows devices. Using this agent we can monitor system metrics, services, and processes on the target machine using the Windows Server configuration Wizard. This agent must be installed on the target Windows Machine/Server. In this scenario, Nagios core is installed on a CentOS machine. Part A Please follow the steps below to install the agent. Windows Monitoring Agent installation: NSClient++ Log on to the Windows target server and download the latest version of NSClient++ software as per the system Architecture. …
An associated key pair ( private key and a public key) is necessary to access EC2 instance securely. In case you have lost or corrupted the key pair, here’s how you can regain access to AWS EC2 Linux instance. Let’s assume that the EC2 instance running contains a website but you have lost the key pair that is associated with the EC2 instance. And here we will show the two easiest ways to regain access to AWS Linux EC2 instances. By using an Amazon Machine Image (AMI) By swapping the …
A Network File System is a distributed file system protocol that supports remote hosts to mount file systems through the network and interact with the file systems as though they are mounted sectionally. This allows us to connect resources to centralized servers on the network. Amazon EFS-Elastic File System gives you a simple, scalable, and fully managed elastic NFS file system to use with AWS Cloud services and on-premises resources. In this demonstration, we will show you how to configure a Network File System-NFS using AWS EFS and connect to …
This documentation will show you how to create an LVM partition on an AWS EBS volume. LVM is a storage virtualization technology that offers a flexible way to manage disk space. Using LVM we can have multiple virtual partitions on a physical volume or a single virtual partition over numerous physical volumes. 1. Deploy an EC2 instance Login to your AWS management console and search for EC2. On the EC2 dashboard, click Launch Instance to deploy a virtual machine. Provide an instance name and choose the OS image, key pair, …
The ionice command is used to set I/O scheduling class and priority for a program. The I/O schedule for a program can be changed to the following: CFQ Noop scheduler Anticipatory Deadline The current Disk Scheduler can be viewed from root@twenty ~]# cat /sys/block/sd[ab]/queue/schedulernoop anticipatory deadline [cfq] The current scheduler can be changed by [root@twenty queue]# echo anticipatory > scheduler[root@twenty queue]# cat /sys/block/sda/queue/schedulernoop [anticipatory] deadline cfq Ionice Utility The ionice sets the io scheduling class and priority for a program or script. It supports the following three scheduling classes Idle: …
A fork bomb is a type of denial-of-service attack that can be executed on a computer system. It is a malicious program or script that creates a large number of processes, overwhelming the system and causing it to slow down or crash. The fork bomb works by creating a large number of child processes, which in turn create more child processes, leading to an exponential growth in the number of processes. The code for a fork bomb is often written in bash and executed in the command line. Once activated, …
The WHM/cPanel can be accessed without knowing the actual password if it satisfies a single condition i.e you must have shell access to the server. If you have the shell access through SSH Keypair or using VPS nodes on the server, you can simply access the WHM panel without knowing the actual root password of the server. The steps to create a session to access the WHM panel for the root or any reseller accounts without a password is detailed below. whmapi1 is the command which could be executed via …
Heroku is a cloud service for hosting your applications. It is a Platform as a service with support for auto-scaling and deployment. It primarily uses Git for deploying applications. It is a cloud-based platform that provides application developers an environment ready to code, test and run an app without needing to worry about the infrastructure details. Heroku can currently deploy apps written in the following languages : Ruby Php Node.js Python …
AWS CodeBuild is a completely overseen persistent incorporation administration. You simply indicate the area of your source code, pick your construct settings, and CodeBuild will run manufacture contents for accumulating, testing, and bundling your code. There are no servers for provisioning and scaling purposes, or software for installation, configuration, and operation. Build Caching in CodeBuild A cache can store reusable bits of your build environment and use them over various build. By using a cache, you can save more time in the project build setup. AWS CodeBuild now enables you to store …