You are managing an FTP server installed in Ubuntu Server. The server has created a very large log file, vsftpd. log. Which command is appropriate to search the log file for activity of the user charlie?

sudo grep "charlie" /var/log/vsftpd.log

Explanation:

Whenever the user becomes running and configured the FTP server within the following Server. That network generated a quite wide logging file, called vsftpd.log. Therefore the sudo grep "charlie" /var / log / vsftpd.log commands seems to be suitable towards searching the log document regarding user charlie operation.

So, the following command is correct according to the given statement.