Console

Managing email on a self-hosted server can be challenging, especially when EXIM4 queues up undeliverable messages. Tools like mailq help identify frozen messages, and with the right command-line approach, it's possible to unfreeze or discard them efficiently. Monitoring the EXIM4 mainlog can also provide insights into recurring delivery issues.​

Need a live view of a Linux file as it updates? The tail command makes it easy to monitor changes in real time, perfect for watching log files and tracking system activity as it happens.

Console applications don’t have to look plain. Box-drawing characters can add structure and clarity to text-based interfaces, making tools feel more polished without needing a full GUI.