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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Manage users and groups | 10% | - Create, delete, modify users and groups - Configure SSH key-based authentication - Manage password policies and sudo access |
| Topic 2: Manage security | 10% | - Enforce SELinux modes, contexts, booleans, and port labeling - Restore file contexts and troubleshoot SELinux issues |
| Topic 3: Understand and use essential tools | 25% | - Use input-output redirection - Create/edit text files; manage files, directories, links, permissions - Use grep and regular expressions - Access shell prompt and issue commands with correct syntax - Access remote systems via SSH - Archive, compress, unpack files using tar, gzip, bzip2 |
| Topic 4: Deploy, configure, and maintain systems | 15% | - Configure firewalld firewall rules - Manage software packages with DNF/YUM - Manage network interfaces and settings with NetworkManager/nmcli |
| Topic 5: Perform basic shell scripting | - Use conditional statements, loops, and script inputs | |
| Topic 6: 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 |
| Topic 7: Create and configure file systems | 15% | - Create and mount XFS, ext4, VFAT file systems - Mount and manage network file systems (NFS, autofs) - Maintain entries in /etc/fstab using UUID or labels - Manage access control lists (ACLs) |
| Topic 8: Operate running systems | 20% | - Schedule tasks using cron and at - Manage networking and network services - Boot systems into different targets; manage systemd units - Maintain accurate system time with chrony - Manage logging and journaling |
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NEW QUESTION # 19
Configure a firewall rule to allow the http service permanently.
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
Solution:
firewall-cmd --permanent --add-service=http
firewall-cmd --reload
firewall-cmd --list-services
Detailed Explanation:
* --permanent saves the rule.
* --reload applies it.
* --list-services verifies the active configuration.
* Firewalld remains the standard firewall interface in RHEL 10. ( Red Hat Documentation )
NEW QUESTION # 20
Create a Quadlet-based systemd container unit so a UBI 10 container named sleepy starts automatically at boot.
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
Solution:
Create the Quadlet file:
mkdir -p /etc/containers/systemd
cat > /etc/containers/systemd/sleepy.container < < 'EOF'
[Container]
Image=registry.access.redhat.com/ubi10/ubi
ContainerName=sleepy
Exec=sleep 3600
[Install]
WantedBy=multi-user.target
EOF
Reload and enable:
systemctl daemon-reload
systemctl enable --now sleepy.service
systemctl status sleepy.service
Detailed Explanation:
* Quadlet is the preferred modern way to manage Podman containers with systemd for new configurations.
* The .container file is translated into a systemd-managed service.
* RHEL 10 documentation notes that podman generate systemd still exists, but Quadlets are preferred for new setups. ( Red Hat Documentation )
NEW QUESTION # 21
Make on /archive directory that only the user owner and group owner member can fully access.
Answer:
Explanation:
see explanation below.
Explanation
* chmod 770 /archive
* Verify using : ls -ld /archive Preview should be like:
drwxrwx--- 2 root sysuser 4096 Mar 16 18:08 /archive
To change the permission on directory we use the chmod command. According to the question that only the owner user (root) and group member (sysuser) can fully access the directory so: chmod 770 /archive
NEW QUESTION # 22
According the following requirements to create user, user group and the group members:
- A group named admin.
- A user named mary, and belong to admin as the secondary group.
- A user named alice, and belong to admin as the secondary group.
- A user named bobby, bobby's login shell should be non-interactive. Bobby not belong to admin as the secondary group.
Mary, Alice, bobby users must be set "password" as the user's password.
Answer:
Explanation:
see explanation below.
Explanation
groupadd admin
useradd -G admin mary
useradd -G admin alice
useradd -s /sbin/nologin bobby
echo "password" | passwd --stdin mary
echo "password" | passwd --stdin alice
echo "password" | passwd --stdin bobby
NEW QUESTION # 23
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 # 24
......
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