How do I view SSH logs in Ubuntu?
If you want to have it include login attempts in the log file, you'll need to edit the /etc/ssh/sshd_config file and change the "LogLevel" from INFO to VERBOSE . After that, the ssh login attempts will be logged into the /var/log/auth. with these settings, SSH login information and attempts are logged in /var/log/auth.
How do I view SSH login history?
In order to find the last SSH logins performed on your Linux machine, you can simply inspect the content of the “/var/log/auth. log” and pipe it with “grep” to find SSH logs.
Where are the SSH logs kept in Linux?
How can I tell if SSH failed to login attempts?
How to find all failed SSHD login Attempts in Linux
- Use the grep command to find out authentication failure message from /var/log/secure or /var/log/auth.log file.
- Run the awk and cut command to print IPs/hostname.
- One can execute the sort command to sort data.