Linux
Search for large files and folders using ncdu
Learn how to use ncdu, a text-based disk utility for Unix systems, to identify and manage large files and folders. It offers a user-friendly interface and options for exporting data in JSON format.
Use a portion of your SSD drive as additional memory
Learn how to use a portion of your SSD as additional memory in Linux by creating a swapfile. This guide explains the steps to set up, enable, and manage a swapfile for improved performance.
Testing SMTP from CLI
Learn how to test SMTP from the command line by connecting to a mail server, sending a test email, and troubleshooting common errors. This guide covers the essential commands and steps for successful email transmission.
Redhat - hold back packages from updates
Learn how to prevent specific packages from updating in Redhat using the exclude command in the yum configuration file or by temporarily excluding them during updates.