Change Logged in User's Password

Add a user

Change the password for JoeB

Delete user JoeB leaving their home directory intact

Delete user JoeB and remove their home directory

Vi: keystroke to edit/insert

vi: exit saving changes

vi: exit without saving changes

vi: undo an edit

vi: save file without closing

nano: delete whole line

nano: exit and save or don't save changes

What information does /etc/passwd contain

What file contains information about sudo privileges for users

how do you edit the sudoers file

how is it best to assign sudo privileges to a user?

what can be added to the end of sudoers group declaration to bypass need for password to be entered for sudo?

add existing user JoeB to the group "Wheel"

What config file determines the default useradd parameters

create a directory "MyDirectory"

how to view the man page for a command

what are dot files?

how can you list dot files in a directory?

how to view the last 10 lines of a file

how to view the first 10 lines of a file

rename file "file" to "file1"

move up 1 level in the directory tree

who to get to current user's home directory

how to recursively remove a directory?

what files are present in /etc

what files are present in /var

How do you redirect output into a file?

What does less do?

less: move down the file one line

less: move up the file one line

less: move down file one window

less: move up the file one window

less: go to specific line e.g. line 20

less: search for occurence of word top to bottom

less: next occurence of word bottom to top

less: when searching for pattern (/ or ?) go to next match

what does cron do?

cron: where are user cron files stored?

cron: how to edit your (user) crontab?

cron: how to edit the system cron?

What is YUM?

Yum: search for a package

Yum: install a package

Yum: download and install system updates

What is apt-get?

What difference is there between the way YUM and apt-get operate?

apt-get: update the apt-get repo cache

apt-get: search for a package

apt-get: install a package

apt-get: download and update system packages

top: sort by memory utilisation

top: sort by cpu utilisation

top: what do the load averages represent?

top: what is the NI column

top: renice a process

top: kill a process

check if locate installed

update locate database

find: search current directory for filename blah.txt

find search whole system for filenames starting blah

apt-get: where would you place a third party repository source

apt-get: how would you clear temporary source files data from the repository

apt-get: how would you clear temporary repository source files for applications no longer available in the source repository?

apt-get: how would you determine dependencies required for a package?

apt-get: which flag would you use to install a package without user prompting?

apt-get: what flag would omit progress information for an install

apt-get: how would you download the source files for a package?

apt-get: what is the difference between apt-get upgrade & apt-get dist-upgrade

apt-get: how would you update all packages including those such as the kernel that require changes to dependencies?

apt-get: how do you view information about the repository cache such as the number of packages available?

apt-get: how do you get a list of all package names, e.g. for grepping and searching?

how would you count the number of lines in stdout?

apt-get: how do you display unmet dependencies in a repository cache?

How would you display the kernel version of current box?

what is dpkg?

dpkg: how would you install a .deb package?

dpkg: how would you install dependencies for a .deb package?

apt-get: what does the -f flag do?

dpkg: List installed packages

dpkg: show all files installed with a package

dpkg: how would you run a package post-configuration file again

dpkg: remove a package leaving configuration files

dpkg: remove a package including all configuration files

apt-get: what is aptitude?

what is dselect?

what is RPM

RPM: install a package

RPM: remove a package

RPM: what flags show verbose information during an install

RPM: display information about an installed package

RPM: display detailed information about an installed package

RPM: show all files installed with a package

RPM: how would you determine dependencies required for a package?

RPM: What does the -U flag do

RPM: what does the -F flag do?

RPM: update the rpm database

RPM: where is the rpm config file

YUM: where is the yum config file

YUM: where would you add a repository to yum?

YUM: update a specific package

YUM: what is the difference between update and upgrade?

YUM: remove a package

YUM: display information about a package on the repo

YUM: display information about installed package

YUM: show dependencies for an installed package

YUM: what flag would force a package installation?

YUM: clean repository, install files etc

what is yumdownloader?

how would you download a source rpm file and all of its dependencies?

what is rpm2cpio

How would you extract an RPM to an archive

list the files in a cpio archive

vi: What are the 3 modes of vi?

vi: Move left and right 1 character

vi: move up and down 1 character

vi: move to last line of the screen

vi: move to the first line of the screen

vi: move to the last line of the file

vi: move to a line number

vi: copy a line

vi: paste copied text

vi: undo a change

vi: copy a number of lines

vi: search for a pattern

vi: delete a number of lines

vi: replace word cursor is on

vi: replace line cursor is on

vi: replace text rather than insert

vi: search and replace first occurence

vi: search and replace every occurence

vi: import content of a file into current file

vi: execute a shell command in vi

what does 'split -l 2 filename' do?

What are Linux streams?

redirect output to a file

append output to a file

redirect stderr to a file

redirect stdout to a file and stderr to another file

redirect stderr and stdout to a single file

what does the "noclobber" option mean

how do you turn on noclobber?

grep: how to count matches

grep: case insensitive search

grep: use a file to input search pattern

grep: search a directory for a pattern in files

grep: search directory for pattern in filename

grep: what is egrep?

grep: search for a pat1 or pat2

grep: how to return lines not matched

grep: what is fgrep

What does the cut command do?

how would you output the first field of a line, where the data is separated by colons

sed: what does sed do?

sed: find and replace

sed: find and output match to file

sed: prevent standard output

what does the tee command do?

how would you append output from tee to a file

What is the FHS

what does /sys contain?

what does /proc contain?

what does /dev contain

what do /dev/urandom and /dev/random do?

what does lsmod do?

what does lspci do?

how would you search for a pci device by slot number

what does lsusb do?

how would you view usb devices as a tree diagram

what is modprobe?

how would you remove a module?

how would you add a module?

what does insmod do?

Grub2: Where is the grub configuration file?

Grub2: what command would you run after updating the grub conf?

Grub2: where are the menu options defined?

Grub2: how would you add a new menu option?

What file specifies the filesystems mounted at boot?

How do you list the UUID's for devices

What is a cold-plug device?

What is a hot-plug device?

what information does /proc/mounts contain?

what virtual filesystem could you cat to get cpu info?

What virtual filesystem might you look in to determine system hardware resources?

what does /bin contain?

what does /lib contain

what does /opt contain

what does /sbin contain?

What does /usr contain?

What methods can you use to find boot information?

What is the boot sequence?

Grub: how would you edit the kernel line parameters?

What do init and telinit do?

Cron: What does the cron.deny file do

Cron: what does cron.allow do?

Cron: do cron.allow and cron.deny need to exist?