CompTIA Linux+ Exam
Last Update Nov 22, 2024
Total Questions : 376
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Users are reporting that a Linux server is responding slowly. A systems administrator troubleshooting the server issue sees the following:
# iostat -m 2
Linux 3.10.0-1160.66.1.el7.x86_64 (myhost) 10/19/2022 x86_64 (4 CPU)
avg-cpu: %user %nice %system %iowait %steal %idle
24.30 0.01 0.29 50.38 4.00 19.01
Device: tps MB_read/s MB_wrtn/s MB_read MB_wrtn
sdd 15.65 0.48 0.83 4936250 8513501
# df -h
Filesystem Size Used Avail Use% Mounted on
devtmpfs 16G 0 16G 0% /dev
tmpfs 16G 64K 16G 1% /dev/shm
/dev/mapper/root 35G 8.8G 26G 26% /
/dev/sda2 497M 144M 354M 29% /boot
/dev/mapper/tmp 10G 38M 10G 1% /tmp
/dev/mapper/var 15G 13G 2.2G 86% /var
/dev/mapper/varlib 650G 397G 254G 62% /var/lib
/dev/mapper/varlog 15G 9.5G 5.5G 64% /var/log
/dev/mapper/varaudit 15G 72M 15G 1% /var/log/audit
Which of the following is most likely the issue?
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 would like to use systemd to schedule a job to run every two hours. The administrator creates timer and service definitions and restarts the server to load these new configurations. After the restart, the administrator checks the log file and notices that the job is only running daily. Which of the following is MOST likely causing the issue?
A systems administrator wants to list all local account names and their respective UIDs. Which of the following commands will provide output containing this information?