boottime

If you're a Linux system administrator or a power user, you may often find yourself digging through system logs to troubleshoot or understand what your system is doing, particularly during boot. journalctl is a powerful tool designed to help with exactly that, by querying and displaying entries from systemd's journal. In this blog, we will explore how to use journalctl to parse and correlate boot-time events effectively. journalctl is a command-line tool provided by systemd that allows you to query and display messages from the journal, which is a system service that collects and stores logging data.