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Linux 🖥 Best command to find a bug in Linux?

dEEpEst

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🖥 Best command to find a bug in Linux?

journalctl -xe`
📌 What it does:

Shows the latest critical events (-e jumps to the end of the log).

Decodes error codes and statuses (-x adds explanations).

Includes system and user logs - not just the kernel.

▪️ When to use:

When a service crashes (systemctl status hints at a problem).

When unexpected reboots, freezes or service failures.

When problems with the network, access rights, drivers.

▪️ Why it's better than others:

Much more informative than dmesg, tail /var/log/syslog, messages.

Works on all modern distributions with systemd.
 
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