RHCSA Commands to Memorize- Questions and Answers

RHCSA Commands to Memorize- Questions and
Answers

Mount an nfs share from server "labunix" and folder "/share" to local mount point '/mnt/nfs'
Correct Ans-mount -t nfs -o sync labunix:/share /mnt/nfs




Identify available nfs shares from server "labunix" on local mount point /mnt/nfs Correct
Ans-sudo mount labunix:/ /mnt/nfs; sudo ls /mnt/nfs



Add an entry to fstab for an nfs share from root folder "/share" from "labunix" to mount point
"/mnt/nfs" on the local machine (just the entry) Correct Ans-labunix:/share /mnt/nfs nfs
sync 0 0




Add an entry to fstab for an nfs public shares "/shares/public" folder from "labunix" to mount
point "/mnt/public" on the local machine, the nfs security is kerberos Correct Ans-
labunix:/shares/public /mnt/public nfs sec=krb5p,sync 0 0




Donwload a kerberos keytab file from http://example.com/example.keytab and place it in the
correct folder Correct Ans-wget -O /etc/krb5.keytab http://example.com/example.keytab




Mount a manual nfs share from server "labunix" at "/shares/manual" on your local machine at
the mount point "/mnt/manual" assuming you already have a kerberized mount from the same
server Correct Ans-mount -o sync,sec=sys labunix:/shares/manual /mnt/manual

,Location of automount master map file for a an nfs share called "work" Correct Ans-
/etc/auto.master.d/work.autofs




Name of the automounting package Correct Ans-autofs




Master-map entry for an indirectly mapped mount point "work" that we would like to have
stored in the "/shares" directory on the local file system. Correct Ans-/shares /etc/auto.work




Master-map entry for a directly mapped mount Correct Ans-/- /etc/auto.direct




Format for the autofs mapping file whether direct or indirect (items separated by commas)
Correct Ans-mount point, mount options, source location




List SMB server shares available on server "labunix" Correct Ans-smbclient -L //labunix




Manuallly mount an SMB share (specifically a cifs one) from a server "labunix's" share folder at
a mount point "/mnt" on your local machine, assuming you don't have an account to
authenticate yourself Correct Ans-mount -t cifs -o guest //labunix/share /mnt




Create an fstab entry so that an SMB share, (specifically cifs) one from a server "labunix's" share
folder can be mounted on every boot at the mountpoint "/mnt" on your local machine,
assuming you don't have an account to authenticate yourself Correct Ans-//labunix/share
/mnt cifs guest 0 0

, Manuallly mount an SMB share (specifically a cifs one) from a server "labunix's" docs folder at a
mount point "/mnt/docs" on your local machine, assuming you have a username for the share
called "david" Correct Ans-mount -t cifs -o username=david //labunix/docs /mnt/docs




Manuallly mount an SMB share (specifically a cifs one) from a server "labunix's" docs folder at a
mount point "/mnt/docs" on your local machine, assuming you have a credentials file at
"/secure/david" with which to authenticate the system Correct Ans-mount -t cifs -o
credentials=/secure/david //labunix/docs /mnt/docs




Enter the format for an SMB credentials file, where each line break is represented by a comma.
Use the following credentials: username "david", password "cafebabe", domain "dingus"
Correct Ans-username=david, password=cafebabe, domain=dingus




Graphical firewall management tool Correct Ans-firewall-config




CLI firewall management tool Correct Ans-firewall-cmd




Autofs mapping file entry for mapping "home" directories from a remote nfs server at
"example.com" with read and write capabilities Correct Ans-* -rw,sync
example.com:/home/&




Graphical utility for creating a new RHEL installation via kickstart Correct Ans-system-config-
kickstart