Some tasks may consume a significant amount of system resources, such as CPU or memory, and running too many of these tasks at once can cause performance issues. By adding a pause between loop iterations, you can help to manage resource consumption and prevent performance issues. It can help to avoid overwhelming the target system …

selectattr in Ansible selectattr is a filter plugin in Ansible that allows you to select a subset of elements from a list of dictionaries based on the value of a particular attribute.  Its syntax is as follows: <list of dictionaries> | selectattr(‘<attribute>’, ‘<operator>’, ‘<value>’)   Key Description list_of_dictionaries A list of dictionaries representing items to …

This article is part of the following series. 4 Ways to Find network interfaces in Linux 5 useful Linux network troubleshooting commands 3 Easy Ways to Find IP address in Linux 3 Ways to Find MAC Address In Linux   Get MAC address with Ansible You can use the ansible_default_ipv4.macaddress variable to get the MAC …

This article is part of the following series. 6 performance tools you should know in Linux 5 Ways to Check disk size in Linux 4 Ways to Check Disk Partition with Examples in Linux How I Fixed a disk performance issue in Minutes – A Step by Step Guide to Optimize Linux System   Get …

When statement in Ansible In Ansible, the “when” keyword is used to specify a condition or a set of conditions that must be met in order for a task to be executed. It allows you to add conditional logic to your Ansible playbooks and control the flow of execution based on certain conditions. The “when” …

This article is part of the following series. 5 useful Linux network troubleshooting commands 3 Ways to Find MAC Address In Linux What is 0.0.0.0 ip address? 4 ways to check network usage in Linux   Get IP address using fact variable with Ansible If you want to get the IP address of a host …

In Ansible, you can use the stat module to get the size of a file on a remote host. The stat module retrieves information about a file, including its size, permissions, and other attributes. Get file size with stat module with Ansible Here’s an example of how you can use the stat module to get …

In Ansible, a dictionary (also known as a hash, map, or associative array) is a data type that allows you to store and manipulate key-value pairs. Dictionaries are commonly used to represent configuration data, variables, and other structured information in Ansible playbooks. A dictionary in Ansible is enclosed in curly braces {} and consists of …

If you’re a PostgreSQL user or developer, you may often need to monitor the size of your database to manage storage resources efficiently. One crucial aspect of this monitoring is checking the disk size of your database. In this post, we will explore how to get the disk size of a database in PostgreSQL. We …

In this post, we will delve into the concept of PostgreSQL server uptime, why it matters, and how to accurately measure it using SQL queries and built-in functions. By understanding how to obtain the uptime of a PostgreSQL server, you can gain valuable insights into your database’s reliability and performance, and proactively manage potential issues. …