As with all large data sets, filtering is necessary to analyze, inspect and diagnose the system. In this article, you will learn about journalctl’s advanced filtering options which could be very useful for system administrators. (more…)
For a system administrator, monitoring the performance of Ubuntu or any other OS, is very important for day to day activities. Since many performance monitoring tools for linux are available , it is difficult to choose a good and reliable one.
There are many GUI applications on Linux that help optimize and compress images while retaining the original quality. In this article we will use two command-line based utilities , jpegoptim and OptiPNG. Let’s get started. (more…)