https://dikapediav2.com/wiki/index.php?action=history&feed=atom&title=Logs 2026-04-05T13:53:43Z Revision history for this page on the wiki MediaWiki 1.41.0 https://dikapediav2.com/wiki/index.php?title=Logs&diff=112&oldid=prev 2024-08-27T00:39:15Z

<p>Created page with &quot;https://www.eurovps.com/blog/important-linux-log-files-you-must-be-monitoring/ ====Ubuntu Logs==== ---- https://ubuntu.com/tutorials/viewing-and-monitoring-log-files#2-log-files-locations System logs System logs deal with exactly that - the Ubuntu system - as opposed to extra applications added by the user. These logs may contain information about authorizations, system daemons and system messages. Authorization log Location: /var/log/auth.log Keeps track of auth...&quot;</p> <p><b>New page</b></p><div>https://www.eurovps.com/blog/important-linux-log-files-you-must-be-monitoring/<br /> <br /> <br /> <br /> ====Ubuntu Logs====<br /> ----<br /> <br /> https://ubuntu.com/tutorials/viewing-and-monitoring-log-files#2-log-files-locations<br /> <br /> System logs<br /> <br /> System logs deal with exactly that - the Ubuntu system - as opposed to extra applications added by the user. These logs may contain information about authorizations, system daemons and system messages.<br /> Authorization log<br /> <br /> Location: /var/log/auth.log<br /> <br /> Keeps track of authorization systems, such as password prompts, the sudo command and remote logins.<br /> <br /> <br /> Daemon Log<br /> <br /> Location: /var/log/daemon.log<br /> <br /> Daemons are programs that run in the background, usually without user interaction. For example, display server, SSH sessions, printing services, bluetooth, and more.<br /> <br /> <br /> Debug log<br /> <br /> Location: /var/log/debug<br /> <br /> Provides debugging information from the Ubuntu system and applications.<br /> Kernel log<br /> <br /> Location: /var/log/kern.log<br /> <br /> Logs from the Linux kernel.<br /> <br /> <br /> System log<br /> <br /> Location: /var/log/syslog<br /> <br /> Contains more information about your system. If you can’t find anything in the other logs, it’s probably here.<br /> <br /> <br /> Application logs<br /> <br /> Some applications also create logs in /var/log. Below are some examples.<br /> Apache logs<br /> <br /> Location: /var/log/apache2/ (subdirectory)<br /> <br /> Apache creates several log files in the /var/log/apache2/ subdirectory. The access.log file records all requests made to the server to access files. error.log records all errors thrown by the server.<br /> <br /> <br /> X11 server logs<br /> <br /> Location: /var/log/Xorg.0.log<br /> <br /> The X11 server creates a seperate log file for each of your displays. Display numbers start at zero, so your first display (display 0) will log to Xorg.0.log. The next display (display 1) would log to Xorg.1.log, and so on.<br /> <br /> <br /> Non-human-readable logs<br /> <br /> Not all log files are designed to be read by humans. Some were made to be parsed by applications. Below are some of examples.<br /> Login failures log<br /> <br /> <br /> Location: /var/log/faillog<br /> <br /> Contains info about login failures. You can view it with the faillog command.<br /> Last logins log<br /> <br /> Location: /var/log/lastlog<br /> <br /> Contains info about last logins. You can view it with the lastlog command.<br /> Login records log<br /> <br /> Location: /var/log/wtmp<br /> <br /> Contains login info used by other utilities to find out who’s logged in. To view currently logged in users, use the who command.</div>

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