Exam (elaborations)
RHCSA Commands To Memorize – Questions & Answers
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RHCSA Commands To Memorize – Questions & Answers
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RHCSA Commands To Memorize – Questions & AnswersGenerate A Private Key Right Ans - ssh-keygen
Directory That Stores SSH Keys Right Ans - /home/.ssh/
Copies Public Key to 'serverX' Right Ans - ssh-copy-id serverX
Renames 'File1' to 'MyFile' Right Ans - mv File1 MyFile
Creates a Directory 'Music' Along with Parent 'MyDocs' Right Ans - mkdir -
p /MyDocs/Music
Creates a Soft Link for 'original' at 'link' Right Ans - ln -s original link
Creates a Hard Link for 'original' at 'link' Right Ans - ln original link
File that contains important information for Shadow Passwords Right Ans -
/etc/login.defs
Specifies a supplementary group 'hobbits' for user 'bbaggins' Right Ans -
usermod -G hobbits bbaggins
Moves user 'bbaggins' home folder (and old contents) to '/shire' Right Ans
- usermod -md /shire bbaggins
Specifies new home folder for user 'bbaggins' (without moving old contents)
to '/shire' Right Ans - usermod -d /shire bbaggins
Removes user 'bbaggins' but keeps his home directory intact Right Ans -
userdel bbaggins
Removes user 'bbaggins' and his home directory Right Ans - userdel -r
bbaggins
Makes user 'bbaggins' change his password every 30 days Right Ans -
chage -M 30 bbaggins
, Warns user 'bbaggins' of 5 days until password expiration Right Ans -
chage -W 5 bbaggins
Makes user 'bbaggins' change his password on next login Right Ans - chage
-d 0 bbaggins
Sets 'bbaggins' password to expire on 2015-08-23 Right Ans - chage -E
2015-08-23 bbaggins
Sets 'bbaggins' account to lock after 5 days of password expiration date
Right Ans - chage -I 5 bbaggins
GUI way to automate authentication configurations Right Ans - authconfig-
gtk
Retrieves information about network user 'internetdude' Right Ans -
getent passwd internetdude
Adds read access for everyone to the file 'dankmemes.txt' Right Ans -
chmod a+r dankmemes.txt
Allows read/write/execute for file owner of 'dankmemes.txt' but only allows
read and execute for group, and nothing for everyone else Right Ans -
chmod 750 dankmemes.txt
Restricts group execution of 'dankmemes.txt' Right Ans - chmod g-x
dankmemes.txt
Allows a user to execute 'dankmemes.txt' as the files creator Right Ans -
chmod u+s dankmemes.txt
Restricts everyone from deleting files in directory '/baybay' except for root
and owner Right Ans - chmod o+t /baybay
Affiliates files in directory '/baybay' with group rather than file owner
Right Ans - chmod g+s /baybay
Disallows execution for group owners for all FUTURE files Right Ans -
umask g-x
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