A Linux systems administrator is resolving a privileged access issue for users who are members of an admin group. Which of the following configuration files should the administrator update so the users in the admin group will have root privileged access to the Linux system?
A new application container was built with an incorrect version number. Which of the following commands should be used to rename the image to match the correct version 2.1.2?
A Linux systems administrator is updating code. After completing the update, the administrator wants to publish the updated code without including the configuration files. Which of the following should the administrator use to accomplish this task?
A systems administrator receives reports that several virtual machines in a host are responding slower than expected. Upon further investigation, the administrator obtains the following output from one of the affected systems:
Which of the following best explains the reported issue?
A systems administrator receives the following message after running an ip link command to verify the status of a network interface named enp0s3:
state DOWN
Which of the following commands should the administrator use to resolve this issue?
NO: 66:
An administrator needs to stop a foreground process in between its execution in a terminal. Which of the following should the administrator use?
Which of the following paths stores the configuration files in a Linux filesystem?
When trying to connect from the bastion host to the remote server, a Linux user always forgets to add some required options in the SSH command line. Which of the following is the best way to permanently solve the user's issue?
An application developer received a file with the following content:
##This is a sample Image ##
FROM ubuntu:18.04
MAINTAINER demohut@gtmail.com.hac
COPY . /app
RUN make /app
CMD python /app/app.py
RUN apt-get update
RUN apt-get install -y nginx
CMD ["echo","Image created"]
The developer must use this information to create a test bed environment and identify the image (myimage) as the first version for testing a new
application before moving it to production. Which of the following commands will accomplish this task?
Users report that they cannot access some files located in the /opt/finapp directory after a power outage caused an unexpected server restart. A Linux administrator examines the following filesystem details and system logs:
# mount | grep finapp
/dev/mapper/rhel-opt_finapp on /opt/finapp type xfs (rw,relatime,seclabel,attr2,inode64,logbufs=8,logbsize=32k,noquota)
# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 931.5G 0 disk
├─sda1 8:1 0 1G 0 part /boot
└─sda2 8:2 0 930.5G 0 part
├─rhel-root 253:0 0 30.5G 0 lvm /
└─rhel-opt_finapp 253:1 0 900G 0 lvm /opt/finapp
# grep opt_finapp /var/log/messages
XFS (opt_finapp): Corruption detected in inode 3645, extent tree
Which of the following commands should the administrator run in an attempt to fix the filesystem?
