Table of Contents
How to set ulimit value permanently in Linux?
Ulimit enforces the predefined limit of how much resources a user can use. The tool uses a certain configuration file as the core to assign the ulimit values. For more fine-tuned control, it’s better to edit the file. $ cat / etc / security / limits.conf
How to print resource limits in Linux ulimit?
To get the report in details, add the “-a” flag at the end. This will print all the resource limits for the current user. Note: There are 2 types of resource limitation: “hard” and “soft”. Hard resource limit defines the physical limit that the user can reach. The “soft” resource limit is manageable by the user.
What does ulimit do on the command line?
Ulimit is a command-line tool. Here’s the basic structure of the ulimit command. The “-a” flag will list all the options and configurations for a particular user. If no user is defined, it’ll print the limits for the current user instead.
How do you show hard limits on ulimit?
The “-a” flag will list all the options and configurations for a particular user. If no user is defined, it’ll print the limits for the current user instead. To display the soft limits of a user, use the “-S” flag. To display the hard limits of a user, use the “-H” flag.
What do you need to know about modules in puppet?
Now that you know about resources, manifests, and classes, you will want to learn about modules. A module is a collection of manifests and data (such as facts, files, and templates), and they have a specific directory structure. Modules are useful for organizing your Puppet code, because they allow you to split your code into multiple manifests.
How to get started with puppet in Ubuntu?
This tutorial covers Puppet code basics, and will show you how to construct manifests and modules that will help you get started with using Puppet to manage your server environment. We will show three different ways to use Puppet to configure a LAMP stack on an Ubuntu 14.04 VPS.
How are classes formatted in a puppet manifest?
Using classes allows you reuse Puppet code, and can make reading manifests easier. A class definition is where the code that composes a class lives. Defining a class makes the class available to be used in manifests, but does not actually evaluate anything. Here is how a class definition is formatted: class example_class { code }
How does a class declaration work in puppet?
The above defines a class named “example_class”, and the Puppet code would go between the curly braces. A class declaration occurs when a class is called in a manifest. A class declaration tells Puppet to evaluate the code within the class. Class declarations come in two different flavors: normal and resource-like.