A Linux administrator is troubleshooting a memory-related issue. Based on the output of the commands:
Which of the following commands would address the issue?
A.
top -p 8321
B.
kill -9 8321
C.
renice -10 8321
D.
free 8321
renice -10 8321
A Linux administrator is reviewing changes to a configuration file that includes the following section:
The Linux administrator is trying to select the appropriate syntax formatter to correct any issues with the configuration file. Which of the following should the syntax formatter support to meet this goal?
A.
Markdown
B.
XML
C.
YAML
D.
JSON
YAML
A cloud engineer needs to launch a container named web-01 in background mode. Which of the following commands will accomplish this task''
A.
docker builder -f —name web-01 httpd
B.
docker load --name web-01 httpd
C.
docker ps -a --name web-01 httpd
D.
docker run -d --name web-01 httpd
docker run -d --name web-01 httpd
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.
Create a unit file in the /etc/default/ directory.
systemctl enable cleanup
systemctl is-enabled cleanup
B.
Create a unit file in the /etc/ske1/ directory.
systemctl enable cleanup
systemctl is-enabled cleanup
C.
Create a unit file in the /etc/systemd/system/ directory.
systemctl enable cleanup
systemctl is-enabled cleanup
D.
Create a unit file in the /etc/sysctl.d/ directory.
systemctl enable cleanup
systemctl is-enabled cleanup
Create a unit file in the /etc/systemd/system/ directory.
systemctl enable cleanup
systemctl is-enabled cleanup
A Linux system fails to start and delivers the following error message:
Which of the following commands can be used to address this issue?
A.
fsck.ext4 /dev/sda1
B.
partprobe /dev/sda1
C.
fdisk /dev/sda1
D.
mkfs.ext4 /dev/sda1
fsck.ext4 /dev/sda1
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