network operating systems
Quiz yourself by thinking what should be in
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on it to display the answer.
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| Give the complete absolute path for the script cpuspeed: | /etc/rc.d/init.d/cpuspeed
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| Which of these links will the init process use first upon booting | s02lvm2-monitor
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| As root user, what command would you use to restart the system daemon lvm2-monitor. | service lvm2-monitor restart
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| 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? | /var/log/alerts
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| What kind of rsyslog messages will it cause to be placed there? And which will explicitly not be placed there? | All alert priority messages for all facilities except the mail and news facilities.
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| List 2 different methods to tell rsyslog to re-load its configuration file? | kill -SIGHUP $(pgrep rsyslogd)
service rsyslog restart
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| Show the output of the following? and if they fail? unset x; declare x; echo ${x:=user} | user
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| unset x y; x="med"; y="carib"; echo '$y $x' | $y $x
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| if grep -q '^chair:' /etc/passwd then; echo chair; else echo not; fi | the first semicolon is in the wrong place
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| unset x; declare x=aflame; echo ${x:1} | flame
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| unset y; declare y=algonquin; echo ${y:3:4} | onqu
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| unset x; mkdir yy; cd yy; touch water air fire; for x in *; do echo $x > $x; done; cat *; cd..; rm -rf yy | air
fire
water
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| unset x y; declare -i x=15 y=8; echo $(( $x $y )) | 1
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| if ! [ -f /etc/rsyslog.conf ]; then echo system broken; fi | nothing
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| unset i; declare -i i=2; while (( i >= 0 )); do echo -n i = $i"; "; (( i-- )); done; echo | i = 2; i = 1; i = 0
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| unset x y; x="biscay"; y="bengal"; echo "$y $x" | bengal biscay
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| 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? | Messages for all facilities except authpriv and cron at the err priority
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| 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. | logger -i -t GOOD -p syslog.err "no errors"
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| unset x; declare x=cat; echo ${x:-dog} | cat
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| unset x y; x="apple"; y="hp"; echo '$y $x' $y $x | $y $x
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| if grep -q '^root:' /etc/shadow; then echo root; else echo not; fi | root
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| unset x; declare x=frog; echo ${x:1} | rog
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| unset y; declare y=bird; echo ${y:2:2] | rd
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| unset x; mkdir yy; touch camel llama jenny for x in $(ls); do echo $x > $x; done; cat *;[snip] | camel
jenny
llama
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| unset x y; declare -i x=13 y-9;echo $(( $x - $y )) | 4
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| unset y; declare y; echo ${y:-fish} | fish
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| if ! [ -f /etc/passwd ]; then echo logging broken; fi | nothing
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| unset x y; x="plum"; y="cherry", echo "$y $x" | cherry plum
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| give the complete name of gpm | /etc/rc.d/init.d/gpm
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| Which of these are processed in sequence; | S8[1-9]
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| as root user, what command would you use to restart the system daemon abrtd? | service abrtd restart
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| 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 | /var/log/errors
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| 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? | Messages for all facilities except authpriv and cron at the err priority
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| 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. | logger -p syslog.err "no errors today"
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| Outputs of the following command: unset x; declare x=dog; echo ${x:-cat} | dog
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| Outputs of the following command: unset x y; x="apple"; y="banana"; echo '$y $x' | $y $x
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| Outputs of the following command: unset y; declare y; echo ${y:=bird} | bird
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| Outputs of the following command: if grep -q '^root:' /etc/password; then echo root; else echo not; fi | root
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| Outputs of the following command: unset x; declare x=dog; echo ${x:1} | og
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| Outputs of the following command: unset y; declare y=fish; echo ${y:2:2} | sh
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| 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 *; | cow
horse
mule
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| unset x y; declare -i x=14 y=9;echo $(( $x - $y )) | 5
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| if ! [ -f /etc/shadow ]; then echo system brok; fi | nothing
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| unset x y; x="peach"; y="melon"; echo "$y $x" | melon peach
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| 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. | logger -i -t GOOD -p syslog.err "no errors"
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Created by:
Tranith
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