The system log typically contains the greatest deal of information by default about your Ubuntu system. It is located at /var/log/syslog, and may contain information other logs do not.

Where is syslog on Linux?

Some of the most important Linux system logs include: /var/log/syslog and /var/log/messages store all global system activity data, including startup messages. Debian-based systems like Ubuntu store this in /var/log/syslog , while Red Hat-based systems like RHEL or CentOS use /var/log/messages . /var/log/auth.

How do I check logs in Ubuntu terminal?

/var/log. This is such a crucial folder on your Linux systems. Open up a terminal window and issue the command cd /var/log. Now issue the command ls and you will see the logs housed within this directory (Figure 1).