Question

QUESTION 1 If you want to read only uncommented lines in file /etc/ogrotate.conf, you may do the command: 1.# egrep ^# /etc/logrotate.conf 2. #look # /etc/logrotate.conf 3. grep A# /etc/logrotate.conf grep ^# /etc/logrotate.conf QUESTION 2 Ports are used to: 1. Attach security information to IP packages. 2. Autoconfigure network protocol nformation 3. Provide an application-to-application path for network packets. 4. Identify a remote host by specific Ethernet hardware address.

Answer 1

1)

ans=> 3.# grep -v ^#/etc/logrotate.conf

2)

ans=> 3.provides an application-t0-application path for network packets.

3)

ans=> To load a kernel module, we can use the insmod (insert module) command. Here, we have to specify the full path of the module.

i.e

# insmod /lib/modules/4.4.0-21-generic/kernel/drivers/cpufreq/speedstep-lib.ko 

here we are loading speedstep-lib.ko.