2025 QUESTIONS AND ANSWERS
:wq - ANS The :wq command writes (saves) the file and quits Vim
/dev/sda1 - ANS On SATA-attached storage, the first partition on
the first disk is
What is the absolute name of the file to configure the NTP server in RHEL8? -
ANS /etc/chrony.conf
/etc/rsyslog.conf - ANS The main configuration file for the System Log Daemon.
[[:alpha:]] - ANS metacharacters that that represent any alphabetic character
pinfo - ANS Advanced lynx based viewer for commands info page or its manual page if one
does not exist
GNU Info - ANS GNU Info was designed to offer documentation that was comprehensive,
hyperlinked, and possible to output to multiple formats.
Man pages were available, and they were great at providing printed output. However, they
were designed such that each man page had a reasonably small set of content
Absolute Reference - ANS An absolute path is a fully qualified name, specifying the files exact
location in the file system
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, hierarchy. It begins at the root (/) directory and specifies each subdirectory that must be
traversed to reach the specific file.
What is the name of the Linux time zone that Greenville Tech is located in? -
ANS America/New_York (EST, -0500)
bash - ANS The Bourne again shell (Bash) is a common application to offer a shell command
line; other common shell applications are the C shell, the Bourne shell, and the Kern shell.
Broadcast Address - ANS The highest possible address on a subnet (host part is all ones in
binary) is used
for broadcast messages in IPv4, and is called the broadcast address.
CentOS - ANS CentOS is a community-driven Linux distribution derived from much of the
open-source Red Hat
Enterprise Linux codebase and other sources. It is free of charge, is easy to install, and is staffed
and supported by an active user community of volunteers that operates independently of Red
Hat.
chmod 775 - ANS Chmod 775 (chmod a+rwx,o-w) sets permissions so that, (U)ser / owner
can read, can write and can execute. (G)roup can read, can write and can execute. (O)thers can
read, can't write and can execute.
chmod g+s - ANS Add the setgid bit
chmod -R - ANS change permissions recursively.
What is the command on a CentOS7 server to see the verbose output of the NTP server time
sources? - ANS chronyc sources -v
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