A Linux systems administrator is creating a new file, /var/tmp/myfile. This file needs to point to /usr/local/myfile. Both files reside on different filesystems. Which of the following commands should the administrator use to accomplish this task?

A Linux server is not starting up because files in the /boot/partition are corrupt. After the initial GRUB screen, the following message is displayed:
Probing EDD (edd=off to disable)... ok
uncompression error
--system halted
Which of the following steps should the Linux administrator take to recover the system without destroying the existing installation? (Choose two.)

Due to application compatibility issues, the Python 3 OpenSSL library should not be upgraded.
Which of the following commands should the systems administrator use to ensure the package stays at the current version?

A systems administrator needs to enable routing of IP packets between network interfaces.
Which of the following kernel parameters should the administrator change?

Users report that a Linux system is unresponsive and simple commands take too long to complete. The Linux administrator logs in to the system and sees the following:

Which of the following is the system experiencing?