After starting an Apache web server, the administrator receives the following error:
Apr 23 localhost.localdomain httpd 4618] : (98) Address already in use: AH00072: make_sock: could not bind to address [: :]80
Which of the following commands should the administrator use to further trou-bleshoot this issue?
A systems administrator received a notification that a system is performing slowly. When running the top command, the systems administrator can see the following values:
Which of the following commands will the administrator most likely run NEXT?
A systems administrator wants to check for running containers. Which of the following commands can be used to show this information?
A developer needs to launch an Nginx image container, name it Web001, and ex-pose port 8080 externally while mapping to port 80 inside the container. Which of the following commands will accomplish this task?
A Linux administrator is configuring a two-node cluster and needs to be able to connect the nodes to each other using SSH keys from the root account. Which of the following commands will accomplish this task?
The MySQL database process that was running on a Linux server suddenly stopped, and the process was killed. Which of the following commands can help identify whether this issue was produced by the OOM killer?
A Linux engineer needs to create a custom script, cleanup.sh, to run at boot as part of the system services. Which of the following processes would accomplish this task?
A Linux administrator copied a Git repository locally, created a feature branch, and committed some changes to the feature branch. Which of the following Git actions should the Linux administrator use to publish the changes to the main branch of the remote repository?