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