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LPIC1MemoryPalace > Topic5: New Questions Mix > Flashcards

Topic5: New Questions Mix Flashcards

1
Q

Abuelas House on Atlantic Avenue

A
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2
Q

1: Stair Landing

file name c.txt be created with same indode number as a.txt

A

ln a.txt c.txt

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3
Q

2: Door to Julios Room

output displayed when user fred executes echo ‘fred $USER’

A

fred fred

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4
Q

3: Julios Room Closet

files exist in standard GRUB 2 install.

A

/boot/grub/i386-pc/1vm.mod

/boot/grub/linux/vmlinuz

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5
Q

4: Julios Room Bed

faulty kernel module causing issues with nic card - what action ensures that module is not loaded automatically when system boots

A

adding blacklist line including the name of the offending module to the file /etc/modprobe.d/blacklist.conf

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6
Q

5: Julios Room Dresser

command installs GRUB 2 into MBR on third hard disk

A

grub-install /dev/sdc

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7
Q

6: Julios Room Radiator

command installs all packages with name ending with string foo

A

zypper install “*foo”

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8
Q

7: Abuela’s bedroom windows

cmd prints list of usernames (1st column) and primary group (4th column) from /etc/password file

A

cut -d: -f 1,4 /etc/passwd

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9
Q

8: Abuelas Room bed

true when a file system is not listed in /etc/fstab nor known to system and is mounted manually

A

cmd systemctl mountsync can be used to create a mount unit based on the existing mount.

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10
Q

9: Abuela Room Sowing Machine

directories on 64 bit Linux system typically contain shared libraries

A

/usr/lib64/

/lib64/

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11
Q

10: Abuela’s Room Chairs

cmd must be entered before exiting vi to save the current file as filea.txt

A

:w filea.txt

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12
Q

11: Abuelas Room Bureau

program runs a command in specific intervals and refreshes the display of the program’s output

A

watch

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13
Q

12: Abuelas Room Mirror

true about boot sequence of PC using BIOS

A

some parts of boot process configured from BIOS

BIOS initiates boot process after turning the computer on

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14
Q

13: Middle Room Closet

given loga.log with timestamps of the format DD/MM/YYY:hh:mm:ss - which command filters out all log entries in the time period between 8:00 am and 8:59 am

A

grep -E ‘:08:[0-9]+:[0-9]+’ loga.log

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15
Q

14: Middle Room Liquor Cabinet

true regarding the command ls > files if it does not exist

A

The files is created and contains the output of ls

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16
Q

15: Middle Room Couch

contained on EFI System Partition

A

First Stage Boot Loader

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17
Q

16: Middle Room Otoman

when is content of Kernel Ring Buffer reset

A

kernel ring buffer is explicitly reset using the command dmesg –clear

When the system is shut down or rebooted

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18
Q

17: Middle Room Desk

when redirecting output of find to xargs cmd what option to find is useful if filename contains spaces

A

-print0

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19
Q

18: Kitchen Counters

first program the Linux kernel starts at boot time when using System V init

A

/sbin/init

20
Q

19: Kitchen Table

redirection operators within Bash

A

<

2>&1

21
Q

20: Kitchen Chairs

command lists the dependencies of the RPM packages file foo.rpm

A

rpm -qpR foo.rpm

22
Q

21: Kitchen Windows

apt-get subcommands install newest versions of all currently installed packages

A

update

23
Q

22: Fire Escape

displays current disk usage for all mounted file systems

A

du

24
Q

23: Kitchen Radiators

cmd uninstalls a package but keeps is config files in case package is reinstalled

A

dpkg -r pkgname

25
Q

24: Bathroom Cabinet

cmd mount –bind do

A

makes contents of one directory available in another directory

26
Q

25: Bathroom Tub

default percentage of reserved space for root user on new ext4 filesystems

A

5%

27
Q

26: Bathroom Shower Head

daemon handles power management envents on linux system

A

acpid

28
Q

27: Bathroom Toilet

consider directory
drwxrwxr-x 2 root sales 4096 Jan 1 15:21 sales

cmd ensures new files created with directory sales are owned by the group sales

A

chgrp -p sales sales

chmod 2775 sales

29
Q

28: Bathroom Sink

cmd displays path to executable file that would be executed when cmd foo is invoked

A

lsattr foo

30
Q

29: Kitchen Oven

given input stream

txt1.txt
atxt.txt
txtB.txt

which reg expressions turns input stream into the following output stream

txt1.bak.txt

atxt.bak.txt

txtB.bak.txt

A

s/txt/bak.txt/

31
Q

30: Kitchen Microven

cmd changes all CR-LF breaks in text file userlist.txt to Linux standard LF line breaks and stores the result in newlist.txt

A

tr -d ‘\r’ < userlist.txt > newlist.txt

32
Q

32: Kitchen Sink

normal mode invi what character can be used to begin a reverse search of the text

A

?

33
Q

33: Kitchen Cabinet under sink

chown cmd will change ownership to dave and the group to staff on a file named data.txt

A

chown dave:staff data.txt

34
Q

33: Kitchen Santaria Display

in order to display all currently mounted filesystems which commands could be used

A

cat /proc/self/mounts

mount

35
Q

34: Kitchen Small Table (next to door)

what does the cmd mount -a do

A

mounts all filesystems listed in /etc/fstab that have the option to auto set

36
Q

34: Kitchen Door to Landing

in vi editor what cmd will copy but not paste from current line at the cursor and the following 16 lines (17 total)

A

17yy

37
Q

35: Landing Proper outside of Kitchen

cmd show definition of a given shell command

A

type

38
Q

36: Bannister

cmds used to search for executable file foo when it has been placed in a directory not included in $PATH

A

find

39
Q

37: Steps

cmd print current working directory when using Bash shell

A

pwd

40
Q

38: First floor landing

following filesystem hierarch standard where should binaries that have been compiled by the sys admin be placed in order to be made available to all users on the system

A

/usr/local/bin/

41
Q

39: Front Door

cmd changes ownership of file.txt to the user dan and the group staff

A

chown dan:staff file.tt

42
Q

40: Iron Grated Door

State describes a diff between GNU GRUB Legacy and GRUB 2

A

Partition numbers start at 0 in Grub Legacy and numbers start at 1 for Grub2

43
Q

41: Taxi Stand

cmd used to start another command with a given nice level

A

nice

44
Q

42: Akeos hat Store

A
45
Q

43:

A

LPIC1MemoryPalace (5 decks)

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