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RHCSA Exam Questions and Answers
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RHCSA Exam Questions and Answers
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RHCSA Exam Questions and AnswersHow do you Secure Shell into another system? - Answer -ssh <user>@<host>
How do you execute commands on a remote system via Secure Shell without actually
opening a new shell? - Answer -ssh <user>@<host> <command>
How do you generate a public key and private key file for SSH authentication? - Answer
-ssh-keygen
How do you export a public key for SSH authentication on a different machine? -
Answer -ssh-copy-id <user>@<host>
How do you export a *specific* public key for SSH authentication on a different
machine? - Answer -ssh-copy-id <user>@<host> -i <key file path>
If an SSH authentication key has a passphrase, how do you cache that passphrase on
the local machine for passwordless authentication? - Answer -1. eval $(ssh-agent)
2. ssh-add <key file path>
What is Cockpit? - Answer -A server Management Tool
How do you check if a service is running? - Answer -systemctl status <service>
How do you start a service? - Answer -systemctl start <service>
How do you enable a service on startup? - Answer -systemctl enable <service>
Which directory contains persistent, system-specific configuration data? - Answer -/etc
Which directory is the top of the system's file hierarchy? - Answer -/
Which directory contains user home directories? - Answer -/home
Which directory contains temporary files? - Answer -/tmp
Which directory contains dynamic data, such as for databases and websites? - Answer
-/var
Which directory is the administrative superuser's home directory? - Answer -/root
, Which directory contains regular commands and utilities? - Answer -/usr/bin
Which directory contains non-persistent process runtime data? - Answer -/run
Which directory contains installed software programs and libraries? - Answer -/usr
How do you create a directory? - Answer -mkdir <directory name>
How do you copy a file? - Answer -cp <old file> <new file>
How do you copy a directory and its contents? - Answer -cp -r <old directory> <new
directory>
How do you move (or rename) a file or directory? - Answer -mv <old file> <new file>
How do you remove a file? - Answer -rm <file>
How do you remove a directory containing files? - Answer -rm -r <directory>
How do you remove an empty directory? - Answer -rmdir <directory>
How do you create parent directories while creating a new directory? - Answer -mkdir -p
<new parent directories>/<new directory>
How do you list the contents of a directory? - Answer -ls
How do you list all contents of a directory including hidden files? - Answer -ls -a
How do you list the contents of a directory and subdirectories? - Answer -ls -R
How do you list the contents of a directory with more detailed information? - Answer -ls -
l
How do you change directories? - Answer -cd <directory path>
How do you change directories to the last directory you were in? - Answer -cd -
How do you change directories to the parent directory of your current directory? -
Answer -cd ..
How do you list the contents of a file? - Answer -cat <file>
How do you create an empty file/update an existing file's "last changed" timestamp
without making any changes? - Answer -touch <file>
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