Check the default RunLevel of your Linux system
This lab will let your practice configuring Linux services to keep the system less vulnerable from outside intruders.
Instructions
Please follow the following steps to complete this lab
- Check the default RunLevel of your Linux system
- If the default RunLevel is not 3, please set the default RunLevel to be 3.
- Use chkconfig to list all services that are configured to start at boot time.
- List all services that are configured to start at book time at RunLevel 3
- Configure the following service to be started at boot time at RunLevel 3: httpd, telnet, ssh, ftp, and SMTP Please submit a word document that contains proper Linux commands and running results of each of the above steps.
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