lpd file provides:
The hosts.lpd file provides:
What would the following command do?
What would the following command do?
$ cat hosts | lpr -#2
What program do you use to suspend a printer queue?
What program do you use to suspend a printer queue?
How many cron fields are there for specifying the time to execute a cron job?
How many cron fields are there for specifying the time to execute a cron job?
What is a well-known service that binds port 25 and is it required on all hosts?
What is a well-known service that binds port 25 and is it required on all hosts?
What action, if any, should you take?
You’ve been reviewing your security checklist and one of the items calls for reviewing the /etc/passwd file. You cat the file and notice that, while most users have an x in the second column, a few have a 14 character string in the second column.
What action, if any, should you take?
What is the best utility to use to do this?
You want to change the aging information in the /etc/shadow file. What is the best utility to use to do this?
What will happen when users try to connect with ssh?
The files /etc/hosts.allow, /etc/hosts.deny and /etc/nologin all exist on your computer and the sshd daemon is running. What will happen when users try to connect with ssh?
The legacy program for listing files in the printer queues from the command line is:
The legacy program for listing files in the printer queues from the command line is:
what should the administrator do?
To prevent a specific user from scheduling tasks with at, what should the administrator do?