Conditional formatting is a powerful tool in Excel that allows you to highlight cells or ranges of cells based on specific criteria. This can help you quickly identify important data points, errors, or trends in your data. In this article, we’ll look at how to use conditional formatting in Excel and provide some examples. To …
David Cao
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 working with large data sets, where manual sorting and analysis would take a lot of …
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 for security reasons or to enforce regular password updates. Two effective ways to achieve this …
If you’re encountering the “Your account has expired” message in Linux, it typically means that the account’s expiration date has passed, preventing access. You’ll need superuser privileges to resolve this issue. Solution for “Your account has expired” in Linux Here’s a general method to address this problem: To ensure accuracy before making changes, it’s prudent …
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: chage -I -1 -m 0 -M 99999 -E -1 <username> Replace <username> in the command with the actual username. Breaking down this command: chage: Command …
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 up specific values without having to do manual calculations. SUMIF Syntax in Excel SUMIF works …
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 SSL Issues The OpenSSL command-line tool can be used to manually initiate an SSL handshake …
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 Define a Dictionary: Start with a dictionary that you wish to convert into a list of items. vars: my_dict: key1: value1 key2: value2 …
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 generating a new certificate and configuring the server to use it. If you don’t control …
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. With set_fact, you can create new variables on the fly based on the output of …