Exam EX200 topic 1 question 31 discussion

Actual exam question from RedHat's EX200

Question #: 31
Topic #: 1

SIMULATION -
Install the Kernel Upgrade.
Install suitable kernel update from:
http://server.domain11.example.com/pub/updates.
Following requirements must be met:
Updated kernel used as the default kernel of system start-up.
The original kernel is still valid and can be guided when system starts up.

Show Suggested Answer

Suggested Answer: See explanation below.
Using the browser open the URL in the question, download kernel file to root or home directory. uname ג€"r// check the current kernel version rpm ג€"ivh kernel-*.rpm vi /boot/grub.conf// check
Some questions are: Install and upgrade the kernel as required. To ensure that grub2 is the default item for startup.
Yum repo : http://content.example.com/rhel7.0/x86-64/errata

OR -
uname -r // check kernel
Yum-config-manager --add-repo=ג€http://content.example.com/rhel7.0/x86-64/ errataג€

Yum clean all -
Yum list kernel// install directly
Yum -y install kernel// stuck with it, do not pipe! Please do not pipe!
Default enable new kernel grub2-editenv list// check
Modify grub2-set-default ג€kernel full nameג€
Grub2-mkconfig ג€"o/boot/grub2/grub.cfg// Refresh

by PENNSHARK at Jan. 8, 2024, 5:34 p.m.

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gaven186

7 months ago

provide alternative for discussion # uname -r # yum --enablerepo=url list available | grep "kernel-" # wget url/kernel-package.rpm # dnf install ./kernel-<version>.rpm # grep '^menuentry' /boot/grub2/grub.cfg //list all the menu entries, new kernel at 0 # grub2-set-default 0 # uname -a (to see current kernel) # reboot

upvoted 1 times

gaven186

5 months ago

ignore yum --enablerepo=url list available | grep "kernel-" since we are installing rpm locally

upvoted 1 times

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PENNSHARK

11 months ago

wget http://server.domain11.example.com/pub/updates/kernel-package.rpm sudo yum install kernel-package.rpm grub2-mkconfig -o /boot/grub2/grub.cfg grubby --info=ALL (to check which kernel index it is) grubby --set-default-index (change to what index the kernel is) uname -a (to see current kernel) reboot uname -a to check for proof

upvoted 1 times

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