PivotTables is an incredibly powerful tool in Excel that enables you to quickly summarize and analyze large amounts of data. They allow you to create summaries, calculate totals, filter data, and perform other statistical analyses. PivotTables are especially useful when…
In Linux systems, ensuring strong security measures is paramount, and periodically updating passwords is a crucial aspect of maintaining system integrity. There are situations in Linux where it’s necessary to compel users to change their passwords. This can be vital…
In Linux systems, user accounts can expire based on password expiration, account expiration dates, or inactivity policies. When an account expires, you may encounter login failures and restricted access to system resources. What Does “Account Expired” Mean? An expired account…
To ensure a user’s password never expires in Linux, leverage the chage command—a tool specifically designed for altering user password expiration settings. As a root user, execute the following command: Replace <username> in the command with the actual username. Breaking…
SUMIF is a powerful function in Microsoft Excel that allows you to sum up values in a range if they meet certain criteria. It is particularly useful when you have large sets of data and want to identify and sum…
The SSL: SSLV3_ALERT_HANDSHAKE_FAILURE error in Python’s requests module typically occurs due to a failure in the SSL/TLS handshake process. This can be caused by various issues, including incompatible SSL/TLS versions, cipher suites, or SSL certificate problems. Using OpenSSL to Diagnose…
The dict2items filter in Ansible is used to transform a dictionary into a list of key-value pairs. It’s particularly useful for iterating over a dictionary in playbooks or templates. Dict2items Basic Usage Example of dict2items in a Playbook An example…
The SSL: SSLV3_ALERT_CERTIFICATE_EXPIRED error suggests that the SSL certificate used by the server you’re trying to connect to has expired. The best and most secure solution is to update the expired certificate with a new, valid one. This usually involves…
The set_fact module in Ansible is a vital tool used in playbooks to define or alter the value of variables during playbook execution. This dynamic nature of set_fact allows for greater flexibility and adaptability in managing configurations and automating tasks.…
A subnet, or subnetwork, is a logical subdivision of an IP network. It’s essentially a smaller network within a larger network, created by dividing the network address space into smaller segments. This division is achieved through a process called subnetting.…
