A Linux administrator is enabling root log-in over SSH on a server. Which of the following combinations of files and parameters should the administrator modify to accomplish this task?
A systems administrator is receiving tickets from users who cannot reach the application app that should be listening on port 9443/tcp on a Linux server.
To troubleshoot the issue, the systems administrator runs netstat and receives the following output:
Based on the information above, which of the following is causing the issue?
A Linux administrator is investigating the reason a systemd timer is not running every night at midnight. The administrator sees the following unit file:
[Unit]
Description=Execute backup every day at midnight
[Timer]
OnCalendar=--01 00:00:00
Unit=backup.service
RandomizedDelaySec=10800
[Install]
WantedBy=multi-user.target
Which of the following modifications should the administrator make in the unit file? (Select two).
A DevOps engineer needs to download a Git repository from Which of the following commands will achieve this goal?