Author: mshaik

Nagios xi

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https://assets.nagios.com/downloads/nagiosxi/docs/Installing-Nagios-XI-Manually-on-Linux.pdf [root@jenkinsslave ~]# curl https://assets.nagios.com/downloads/nagiosxi/install.sh | sh http://130.211.135.148/nagiosxi/install.php Nagios XI Installer Welcome to the Nagios XI installation. Just answer a few simple questions and you'll be ready to go. General Program Settings Program URL: http://130.211.135.148/nagiosxi/ Administrator Name: Nagios Administrator Administrator Email Address: root@localhost Administrator Username: nagiosadmin Administrator Password: ojFvdaq5rnXjkLqkSXNM Timezone Settings Timezone: Install [root@jenkinsslave ~]# … Continue reading Nagios xi

CPU & CORE & THREAD

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CPU A central processing unit (CPU) is the electronic circuitry within a computer that carries out the instructions of a computer program by performing the basic arithmetic, logical, control and input/output (I/O) operations specified by the instructions. CORE A core is usually the basic computation unit of the CPU - it can run a single … Continue reading CPU & CORE & THREAD

Certified Jenkins Engineer (CJE) – 2017 Objective sample

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1) You are tasked by management to explain Continuous Deployment. Your explanation will be used in the company's annual report so you need to ensure you understand it properly. Which is the best definition A software development practice where contributors are integrating their work very frequently to production in an automated fashion. Explanation Continuous Deployment … Continue reading Certified Jenkins Engineer (CJE) – 2017 Objective sample

Git Quick Start

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github-git-cheat-sheet gitcs_1475526882 [root@ansible ~]# yum install epel-release -y [root@ansible ~]# yum install git -y [root@ansible ~]# git --version git version 1.8.3.1 [root@ansible ~]# git help usage: git [--version] [--help] [-c name=value] [--exec-path[=<path>]] [--html-path] [--man-path] [--info-path] [-p|--paginate|--no-pager] [--no-replace-objects] [--bare] [--git-dir=<path>] [--work-tree=<path>] [--namespace=<name>] <command> [<args>] The most commonly used git commands are: add Add file contents to … Continue reading Git Quick Start

AWS Certified SysOps Administrator – Associate Level Objective’s

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  1) Which of the following metrics do not get automatically reported to Amazon CloudWatch from Amazon EC2? (Choose 3) The amount of memory being used, The amount of swap space used, How much disk space is available Explanation http://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/mon-scripts.html 2) What are the two different kinds of status checks when it comes to Amazon … Continue reading AWS Certified SysOps Administrator – Associate Level Objective’s

AWS Services

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1)Compute (i) Ec2 What Is Amazon EC2? Amazon Elastic Compute Cloud (Amazon EC2) provides scalable computing capacity in the Amazon Web Services (AWS) cloud. Using Amazon EC2 eliminates your need to invest in hardware up front, so you can develop and deploy applications faster. You can use Amazon EC2 to launch as many or as … Continue reading AWS Services

puppet deep dive

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1) How do you execute a master/node puppet run? puppet agent --test, puppet agent -t 2) What is wrong with this manifest? # create_file.pp file { '/temp/some_file.txt': mode => '0600' owner => 'root', group = 'root', } "ensure => file," should be the first attribute., The mode attribute should end with a comma., The group … Continue reading puppet deep dive

System Administration Using Puppet

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What is Puppet? § The Puppet’s language is declarative § Puppet code is written to express desired end state of the node § Management of node resource are abstracted from the operating system § Code is written inside of classes, classes are assigned to nodes § Puppet was founded by Luke Kanies in 2005 § … Continue reading System Administration Using Puppet

Google Containers Engine(GKE)

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https://cloud.google.com/container-engine/docs/ https://cloud.google.com/container-engine/docs/quickstart https://cloud.google.com/sdk/docs/quickstarts https://cloud.google.com/sdk/docs/quickstart-debian-ubuntu ######################################################## # Create an environment variable for the correct distribution export CLOUD_SDK_REPO="cloud-sdk-$(lsb_release -c -s)" # Add the Cloud SDK distribution URI as a package source echo "deb http://packages.cloud.google.com/apt $CLOUD_SDK_REPO main" | sudo tee -a /etc/apt/sources.list.d/google-cloud-sdk.list # Import the Google Cloud Platform public key curl https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add - # … Continue reading Google Containers Engine(GKE)

Containerized Application Development

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Running Containers Locally Link Containers [root@docker ~]# yum install epel-release -y [root@docker ~]# yum update -y [root@docker ~]# yum install docker* -y [root@docker ~]# setenforce 0 [root@docker ~]# vim /etc/selinux/config SELINUX=disabled [root@docker ~]# reboot [root@docker ~]# systemctl enable docker [root@docker ~]# systemctl start docker [root@docker ~]# systemctl status docker [root@docker ~]# ip a 1: lo: … Continue reading Containerized Application Development