All You Need To Know About Processes in Linux

In this article, we will walk through a basic understanding of processes and briefly look at how to manage processes in Linux using certain commands. A process refers to a program in execution; it’s a running instance of a program. It is made up of the program instruction, data read from files, other programs or input from a system user. Types of Processes There are fundamentally two types of processes in Linux:Foreground processes (also referred to as interactive processes) – these are initialized and controlled through a terminal session. http://linuxthegreat.blogspot.in/2017/04/all-you-need-to-know-about-processes-in.html

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Terraform

Terraform is a tool for building, changing, and versioning infrastructure safely and efficiently. Terraform can manage existing and popular service providers as well as custom in-house solutions. Configuration files describe to Terraform the components needed to run a single application or your entire datacenter. Terraform generates an execution plan describing what it will do to reach the desired state, and then executes it to build the described infrastructure. As the configuration changes, Terraform is able to determine what changed and create incremental execution plans which can be applied. The infrastructure Terraform can manage includes low-level components such as compute instances, storage, and networking, as well as high-level components such as DNS entries, SaaS features, etc. The key features of Terraform are: Infrastructure as Code : Infrastructure is described using a high-level configuration syntax. This allows a blueprint of your datacenter to be versioned and

Java 8 coding challenge: Roy and Profile Picture

Problem: Roy wants to change his profile picture on Facebook. Now Facebook has some restriction over the dimension of picture that we can upload. Minimum dimension of the picture can be L x L , where L is the length of the side of square. Now Roy has N photos of various dimensions. Dimension of a photo is denoted as W x H where W - width of the photo and H - Height of the photo When any photo is uploaded following events may occur: [1] If any of the width or height is less than L, user is prompted to upload another one. Print " UPLOAD ANOTHER " in this case. [2] If width and height, both are large enough and (a) if the photo is already square then it is accepted. Print " ACCEPTED " in this case. (b) else user is prompted to crop it. Print " CROP IT " in this case. (quotes are only for clarification) Given L, N, W and H as input, print appropriate text as output. Input: First line contains L . Second line contains N , number of

Salt stack issues

The function “state.apply” is running as PID Restart salt-minion with command: service salt-minion restart No matching sls found for ‘init’ in env ‘base’ Add top.sls file in the directory where your main sls file is present. Create the file as follows: 1 2 3 base: 'web*' : - apache If the sls is present in a subdirectory elasticsearch/init.sls then write the top.sls as: 1 2 3 base: '*' : - elasticsearch.init How to execute saltstack-formulas create file /srv/pillar/top.sls with content: base : ' * ' : - salt create file /srv/pillar/salt.sls with content: salt : master : worker_threads : 2 fileserver_backend : - roots - git gitfs_remotes : - git://github.com/saltstack-formulas/epel-formula.git - git://github.com/saltstack-formulas/git-formula.git - git://github.com/saltstack-formulas/nano-formula.git - git://github.com/saltstack-f

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