RHCSA, EX200, Red Hat Certified Systems Admin New!! 2025/2026

RHCSA, EX200, Red Hat Certified Systems Admin New!!
2025/2026
how to redirect errors to a file? - Correct Answers command 2> <$filename>
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2> will over write the file and 2>> will append
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Il` how to redirect both standard error and output to a file and have no outputs show on screen? -
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Il` how to redirect standard error into standard output? - Correct Answers 2 > &1
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Il` how to grep opposites? - Correct Answers grep -v
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Il` select all that do not start with l,i,n,u,x - Correct Answers grep -v '[^linux]'
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returns everything not beginning with the letters: l, i, n, u, x
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Il` what does ? mean in regex - Correct Answers character before is optional
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Il` what does + mean in regex - Correct Answers preceding item is matched 1 or more times
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Il` what is scp? - Correct Answers secure copy protocol. do it over ssh. encrypted. old way to
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Il` transfer. can send commands to the other server. Il` Il` Il` Il` Il` Il` Il`




Il` what is sftp? - Correct Answers secure file transfer protocol. or ssh file transfer protocol. can
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Il` connect and live inside the other server. Il` Il` Il` Il` Il` Il`




can type get <$filename> to get copy the files back
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, Il` what is tar -cvf - Correct Answers create, verbose, use this archive name.
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Il` how to see files in archive - Correct Answers tar -tf
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Il` what does tar -xzvf do - Correct Answers eXtract gZip Verbosely Filename
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Il` star command. archive utility. not default. need to yum install. - Correct Answers big data sets
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Il` and files.
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Il` what is apropos and mandb - Correct Answers apropos searches the titles of man pages for this
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Il` key.

man page is not indexed and cached so we need to run mandb and it'll be recorded.
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Il` how to see all the commands if stuck - Correct Answers info coreutils
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Il` how to yum install the locate command? - Correct Answers yum install mlocate make sure to
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Il` updatedb



Il` how to find stuff - Correct Answers rpm -qd <$packageName>
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whereis

which

man

info

things are in /usr/share/doc Il` Il` Il`




/usr/share/info

/usr/share/man