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| Section | Weight | Objectives |
|---|---|---|
| Operate running systems | 20% | - Manage logging and journaling - Maintain accurate system time with chrony - Schedule tasks using cron and at - Boot systems into different targets; manage systemd units - Manage networking and network services |
| Configure local storage | 15% | - Create and manage LVM physical volumes, volume groups, logical volumes - List, create, delete partitions and GPT/MBR layouts - Configure swap space |
| Deploy, configure, and maintain systems | 15% | - Manage network interfaces and settings with NetworkManager/nmcli - Manage software packages with DNF/YUM - Configure firewalld firewall rules |
| Create and configure file systems | 15% | - Maintain entries in /etc/fstab using UUID or labels - Mount and manage network file systems (NFS, autofs) - Create and mount XFS, ext4, VFAT file systems - Manage access control lists (ACLs) |
| Understand and use essential tools | 25% | - Archive, compress, unpack files using tar, gzip, bzip2 - Access shell prompt and issue commands with correct syntax - Use input-output redirection - Access remote systems via SSH - Create/edit text files; manage files, directories, links, permissions - Use grep and regular expressions |
| Manage users and groups | 10% | - Create, delete, modify users and groups - Configure SSH key-based authentication - Manage password policies and sudo access |
| Manage security | 10% | - Enforce SELinux modes, contexts, booleans, and port labeling - Restore file contexts and troubleshoot SELinux issues |
| Perform basic shell scripting | - Use conditional statements, loops, and script inputs |
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NEW QUESTION # 25
Deny cron access for user john.
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
Solution:
echo "john" > > /etc/cron.deny
Detailed Explanation:
* cron.deny blocks listed users from using cron.
* This is the simplest way to deny scheduled-job access for one user.
NEW QUESTION # 26
Create one partitions having size 100MB and mount it on data.
Answer:
Explanation:
see explanation below.
Explanation
1. Use fdisk /dev/hda to create new partition.
2. Type n For New partitions.
3. It will ask for Logical or Primary Partitions. Press l for logical.
4. It will ask for the Starting Cylinder: Use the Default by pressing Enter Key.
5. Type the Size: +100M you can specify either Last cylinder of size here.
6. Press P to verify the partitions lists and remember the partitions name.
7. Press w to write on partitions table.
8. Either Reboot or use partprobe command.
9. Use mkfs -t ext3 /dev/hda?
OR
mke2fs -j /dev/hda? To create ext3 filesystem.
vi /etc/fstab
Write:
/dev/hda? /data ext3 defaults 1 2
Verify by mounting on current Sessions also: mount /dev/hda? /data
NEW QUESTION # 27
Pull the registry.access.redhat.com/ubi10/ubi image and run a rootless container named webtest that executes
sleep 3600.
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
Solution:
podman pull registry.access.redhat.com/ubi10/ubi
podman run -d --name webtest registry.access.redhat.com/ubi10/ubi sleep 3600
podman ps
Detailed Explanation:
* podman pull downloads the image.
* podman run -d starts the container in the background.
* Rootless Podman is a normal RHEL container workflow.
* RHEL 10 container documentation continues to center on Podman for image and container
management. ( Red Hat Documentation )
NEW QUESTION # 28
How does Vagrant run virtual machines?
Answer: C
NEW QUESTION # 29
16. Create a shared directory
Create a shared directory with the following characteristics:
* The group owner of /home/test is admins.
* Members of the admins group can read, write, and access this directory. Other users (except root) do not have these permissions.
* Files created inside this directory automatically have their group ownership set to the admins group.
Answer:
Explanation:
Solution:
Create the group:
[root@node1 ~]# groupadd admins
Create the directory:
[root@node1 ~]# mkdir /home/test
Set the group ownership:
[root@node1 ~]# chgrp admins /home/test
Set the permissions:
[root@node1 ~]# chmod 2770 /home/test
Verify:
[root@node1 ~]# ls -ld /home/test
drwxrws--- root admins /home/test
NEW QUESTION # 30
......
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