EX294 Online Practice Questions and Answers

SIMULATION

Create a Shell script /root/program:

The shell script will come back to "user" parameter when you are entering "kernel" parameter.

The shell script will come back to "kernel" when you are entering "user" parameter.

It will output the standard error when this script "usage:/root/program kernel|user" don't input any

parameter or the parameter you inputted is entered as the requirements.

A.

SIMULATION

Please set the selinux status as enforcing.

A.

SIMULATION

One Logical Volume is created named as myvol under vo volume group and is mounted. The Initial Size of that Logical Volume is 400MB. Make successfully that the size of Logical Volume 200MB without losing any data. The size of logical volume 200MB to 210MB will be acceptable.

A.

SIMULATION

Make Secondary belongs the jeff and marion users on sysusers group. But harold user should not belongs to sysusers group.

A.

Create a file called requirements.yml in /home/sandy/ansible/roles to install two roles. The source for the first role is geerlingguy.haproxy and geerlingguy.php. Name the first haproxy-role and the second php-role. The roles should be installed in /home/sandy/ansible/roles.

A. Answer: See the for complete Solution below.

Configure an email server domain30.example.com, and it requests to send and receive emails from the local server or the user harry can send or receive emails from network. The email of user harry is /var/ spool/mail/harry. Please note: the DNS server has already been MX record analyzed.

A. Answer: See the for complete Solution below.

Write a script /root/program. The request is when you input the kernel parameters for script, the script should return to user. When input the user parameters, the script should return to kernel. And when the script has no parameters or the parameters are wrong, the standard error output should be "usage:/root/ program kernel|user".

A. Answer: See the for complete Solution below.

Install the Cron Schedule for jeff user to display "Hello" on daily 5:30.

A. Answer: See the for complete Solution below.

There were two systems:

system1, main system on which most of the configuration take place system2, some configuration here

Configure repository.

Create a Repository for your virtual machines. The URL is http://station.network.0.example.com/content/ rhel7.0/x86_64/dvd

A. Answer: See the for complete Solution below.

There were two systems:

system1, main system on which most of the configuration take place system2, some configuration here

SSH configuration.

Configure SSH access on your virtual hosts as follows.

Clients within my22ilt.org should NOT have access to ssh on your systems

A. Answer: See the for complete Solution below.