Log Files

SSH logs authentication attempts, but where? Find your SSH log file with these tips, such as in /var/log/auth.log or in the systemd journal.

Secure your nginx service by using security features provided by systemd. We have a look at the available options that systemd units can offer.

Secure system and user services by restricting systemd units to read or write to the kernel log ring buffer with the unit setting ProtectKernelLogs.

Nginx is flexible when it comes to what should be logged in the access.log. With the combination of a map and if-statement, this can be achieved very easily!

Linux users who want to compliant with PCI DSS have to restrict log file viewing to only the owner. Learn how to achieve this.

Log files are the precious collection of system events. Still many people don't really use them, until it is really needed. Let's change that!