What is exec in Puppet?
Executes external commands. The exec has an onlyif , unless , or creates attribute, which prevents Puppet from running the command unless some condition is met. The exec has refreshonly => true , which only allows Puppet to run the command when some other resource is changed.
How do you run a Puppet command?
Run a task on a node group
- Log into your primary server or client tools workstation.
- Run the command: puppet task run –node-group Tip: Use the /v1/groups endpoint to retrieve a list node groups and their IDs.
What is unless in Puppet?
An unless statement takes a Boolean condition and an arbitrary block of Puppet code, evaluates the condition, and if the condition is false, execute the code block. This statement sets $maxclient to 500 unless the system memory is above the specified parameter.
How do I run a Windows exec?
The fastest way to access the Run command window is to use the keyboard shortcut Windows + R. On top of being very easy to remember, this method is universal for all versions of Windows. Hold down the Windows key and then press R on your keyboard.
What exec means?
Exec is an abbreviation for executive.
How does exec work in Python?
exec() in Python. exec() function is used for the dynamic execution of Python program which can either be a string or object code. If it is a string, the string is parsed as a suite of Python statements which is then executed unless a syntax error occurs and if it is an object code, it is simply executed.
What does puppet Agent T do?
puppet agent -t also sometimes written puppet agent –test – calls the Puppet Agent to retrieve a catalog (compiled Puppet code) from a Puppet Master, and then applies it locally and immediately.
How do you declare a variable in puppet?
You can use the name of a variable in any place where a value of the variable’s data type would be accepted, including expressions, functions, and resource attributes. Puppet replaces the name of the variable with its value. By default, unassigned variables have a value of undef .
How do you create a custom fact in puppet?
Example
- Start by giving the fact a name, in this case, hardware_platform .
- Create the fact in a file called hardware_platform.rb on the primary Puppet server: # hardware_platform.rb Facter.add(‘hardware_platform’) do setcode do Facter::Core::Execution.execute(‘/bin/uname –hardware-platform’) end end.
What does pressing the Windows key and R do?
The “Run” dialog box from the Windows Start menu is a handy way to open an application or document. Usually you would select it from the Start menu, but a shortcut is to press the Windows key and R. Once you’ve got the Run dialog box open, you can type in the name of a program and then Enter.
What is exec process?
In computing, exec is a functionality of an operating system that runs an executable file in the context of an already existing process, replacing the previous executable. In OS command interpreters, the exec built-in command replaces the shell process with the specified program.
