Packages can be downloaded but not installed with yum or dnf by specifying which option?

What character class is equal to this set? [0-9]

When archiving files, which command will preserve all file attributes including ACLs and SELinux security context?

In a systemd-based OS, you can change the system hostname by editing /etc/hostname manually and then doing what?

What command would you use to resize an LVM volume group to include an additional physical volume?

When would this system cron job run its task? 0 1 \* \* \*

How do you redirect stderr to stdout?

modprobe...

What does the $ represent within the context of a shell command?

What does the 'uname' command do?

what makes the command 'netstat -s'