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| Section | Objectives |
|---|---|
| Topic 1: Understand and use essential tools | - Hard and soft links - Text analysis with grep and regular expressions - File and directory management - File permissions - Remote system access using SSH - Shell access and command syntax - Input and output redirection - Creating and editing text files - System documentation - Users and multi-user targets - File archiving and compression |
| Topic 2: Configure local storage | - Physical volumes - File system mounting using UUID or labels - GPT disk partitions - Volume groups - Adding partitions, logical volumes, and swap - Logical volumes |
| Topic 3: Create simple shell scripts | - Conditional execution - Looping constructs - Processing script inputs - Processing command output |
| Topic 4: Manage users and groups | - Local user account management - Privileged access configuration - Local group management - Password and password aging management |
| Topic 5: Manage basic networking | - IPv4 and IPv6 configuration - Hostname resolution - Network services at boot - Firewall configuration with firewalld and firewall-cmd |
| Topic 6: Create and configure file systems | - Extending logical volumes - VFAT, ext4, and XFS file systems - File permission troubleshooting - Autofs - NFS file systems |
| Topic 7: Deploy, configure, and maintain systems | - Default boot target configuration - Task scheduling with at, cron, and systemd timers - Time service clients - Software installation and updates - Bootloader configuration - Service management |
| Topic 8: Operate running systems | - Secure file transfer - Tuning profiles - Process monitoring and termination - Interrupt the boot process - Network services - Boot systems into different targets - Process scheduling - Boot, reboot, and shut down systems - System logs and journals |
| Topic 9: Manage software | - Install and remove Flatpak packages - Install and remove RPM packages - Configure RPM repositories - Configure Flatpak repositories |
| Topic 10: Manage security | - SELinux file and process contexts - SSH key-based authentication - SELinux Boolean settings - SELinux port labels - Default file permissions - SELinux file context restoration - Firewall configuration - SELinux enforcing and permissive modes |
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NEW QUESTION # 38
09. Configure User Account
Configure the user account "manalo" with the user ID 3533. The password for this user should be "flectrag".
Answer:
Explanation:
Solution:
[root@node1 ~]# useradd -u 3533 manalo
[root@node1 ~]# echo flectrag | passwd --stdin manalo
NEW QUESTION # 39
Set cronjob for user natasha to do /bin/echo hiya at 14:23.
Answer:
Explanation:
# crontab -e -u natasha
23 14 * * * /bin/echo hiya
wq!
NEW QUESTION # 40
CORRECT TEXT
Create a volume group, and set 16M as a extends. And divided a volume group containing 50 extends on volume group lv, make it as ext4 file system, and mounted automatically under /mnt/data.
Answer:
Explanation:
# pvcreate /dev/sda7 /dev/sda8
# vgcreate -s 16M vg1 /dev/sda7 /dev/sda8
# lvcreate -l 50 -n lvm02
# mkfs.ext4 /dev/vg1/lvm02
# blkid /dev/vg1/lv1
# vim /etc/fstab
# mkdir -p /mnt/data
UUID=xxxxxxxx /mnt/data ext4 defaults 0 0
# vim /etc/fstab
# mount -a
# mount
(Verify)
NEW QUESTION # 41
Copy /etc/fstab to /var/tmp name admin, the user1 could read, write and modify it, while user2 without any permission.
Answer:
Explanation:
see explanation below.
Explanation
# cp /etc/fstab /var/tmp/
# chgrp admin /var/tmp/fstab
# setfacl -m u:user1:rwx /var/tmp/fstab
# setfacl -m u:user2:--- /var/tmp/fstab
# ls -l
-rw-rw-r--+ 1 root admin 685 Nov 10 15:29 /var/tmp/fstab
NEW QUESTION # 42
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 # 43
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