Question 1

Give the complete absolute path for the script cpuspeed:

Accepted Answer

/etc/rc.d/init.d/cpuspeed

Question 2

Which of these links will the init process use first upon booting

Accepted Answer

s02lvm2-monitor

Question 3

As root user, what command would you use to restart the system daemon lvm2-monitor.

Accepted Answer

service lvm2-monitor restart

Question 4

You have just added this rule to your /etc/rsyslog.conf
*.alert;mail.none;news.none
Where does the it cause the rsyslog messages to be placed?

Accepted Answer

/var/log/alerts

Question 5

What kind of rsyslog messages will it cause to be placed there?   And which will explicitly not be placed there?

Accepted Answer

All alert priority messages for all facilities except the mail and news facilities.

Question 6

List 2 different methods to tell rsyslog to re-load its configuration file?

Accepted Answer

kill -SIGHUP $(pgrep rsyslogd)
service rsyslog restart

Question 7

Show the output of the following?  and if they fail?
unset x; declare x; echo ${x:=user}

Accepted Answer

user

Question 8

unset x y; x="med"; y="carib"; echo '$y $x'

Accepted Answer

$y $x

Question 9

if grep -q '^chair:' /etc/passwd then; echo chair; else echo not; fi

Accepted Answer

the first semicolon is in the wrong place

Question 10

unset x; declare x=aflame; echo ${x:1}

Accepted Answer

flame

Question 11

unset y; declare y=algonquin; echo ${y:3:4}

Accepted Answer

onqu

Question 12

unset x; mkdir yy; cd yy; touch water air fire; for x in *; do echo $x > $x; done; cat *; cd..; rm -rf yy

Accepted Answer

air
fire
water

Question 13

unset x y; declare -i x=15 y=8; echo $(( $x $y ))

Accepted Answer

1

Question 14

if ! [ -f /etc/rsyslog.conf ]; then echo system broken; fi

Accepted Answer

nothing

Question 15

unset i; declare -i i=2; while (( i >= 0 )); do echo -n i = $i"; "; (( i-- )); done; echo

Accepted Answer

i = 2; i = 1; i = 0

Question 16

unset x y; x="biscay"; y="bengal"; echo "$y $x"

Accepted Answer

bengal biscay

Question 17

There is a rule in your /etc/ryslog.conf
*.err;authpriv.non;cron.none  /var/log/errors
What kind of rsyslog messages will it cause to be placed there? And what kind will not?

Accepted Answer

Messages for all facilities except authpriv and cron at the err priority

Question 18

use the rsyslog servers or daemon to place the text message "no errors" there on behalf of the syslog facility. Include your pid and the tag "GOOD" with the message.

Accepted Answer

logger -i -t GOOD -p syslog.err "no errors"

Question 19

unset x; declare x=cat; echo ${x:-dog}

Accepted Answer

cat

Question 20

unset x y; x="apple"; y="hp"; echo '$y $x' $y $x

Accepted Answer

$y $x

Question 21

if grep -q '^root:' /etc/shadow; then echo root; else echo not; fi

Accepted Answer

root

Question 22

unset x; declare x=frog; echo ${x:1}

Accepted Answer

rog

Question 23

unset y; declare y=bird; echo ${y:2:2]

Accepted Answer

rd

Question 24

unset x; mkdir yy; touch camel llama jenny for x in $(ls); do echo $x > $x; done; cat *;[snip]

Accepted Answer

camel
jenny
llama

Question 25

unset x y; declare -i x=13 y-9;echo $(( $x - $y ))

Accepted Answer

4

Question 26

unset y; declare y; echo ${y:-fish}

Accepted Answer

fish

Question 27

if ! [ -f /etc/passwd ]; then echo logging broken; fi

Accepted Answer

nothing

Question 28

unset x y; x="plum"; y="cherry", echo "$y $x"

Accepted Answer

cherry plum

Question 29

give the complete name of gpm

Accepted Answer

/etc/rc.d/init.d/gpm

Question 30

Which of these are processed in sequence;

Accepted Answer

S8[1-9]

Question 31

as root user, what command would you use to restart the system daemon abrtd?

Accepted Answer

service abrtd restart

Question 32

this is a rule in you /etc/rsyslog.conf as follows:
*.err;authpriv.none;cron.none
/var/log/errors
a) Where does it cause rsyslog messages to be placed

Accepted Answer

/var/log/errors

Question 33

this is a rule in you /etc/rsyslog.conf as follows:
*.err;authpriv.none;cron.none
/var/log/errors
b) what kind of rsyslog messages will it cause to be placed there?

Accepted Answer

Messages for all facilities except authpriv and cron at the err priority

Question 34

this is a rule in you /etc/rsyslog.conf as follows:
*.err;authpriv.none;cron.none
/var/log/errors
c) use the rsyslog service (or the rsyslogd daemon) to place the test message "no errors today" there on behalf of the syslog facility.

Accepted Answer

logger -p syslog.err "no errors today"

Question 35

Outputs of the following command:
unset x; declare x=dog; echo ${x:-cat}

Accepted Answer

dog

Question 36

Outputs of the following command:
unset x y; x="apple"; y="banana"; echo '$y $x'

Accepted Answer

$y $x

Question 37

Outputs of the following command:
unset y; declare y; echo ${y:=bird}

Accepted Answer

bird

Question 38

Outputs of the following command:
if grep -q '^root:' /etc/password; then echo root; else echo not; fi

Accepted Answer

root

Question 39

Outputs of the following command:
unset x; declare x=dog; echo ${x:1}

Accepted Answer

og

Question 40

Outputs of the following command:
unset y; declare y=fish; echo ${y:2:2}

Accepted Answer

sh

Question 41

Outputs of the following command:
unset x; mkdir yy; cd yy; touch cow mule horse for x in $(ls); do echo $x > $x; done; cat *;

Accepted Answer

cow
horse
mule

Question 42

unset x y; declare -i x=14 y=9;echo $(( $x - $y ))

Accepted Answer

5

Question 43

if ! [ -f /etc/shadow ]; then echo system brok; fi

Accepted Answer

nothing

Question 44

unset x y; x="peach"; y="melon"; echo "$y $x"

Accepted Answer

melon peach

Question 45

Use the rsyslog service (or the rsyslogd daemon) to place the text message "no errors" there on behalf of
    the syslog facility. Include your pid and the tag “GOOD”
    with the message.

Accepted Answer

logger -i -t GOOD -p syslog.err "no errors"

Linux mid 2

network operating systems

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