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| Section | Objectives |
|---|---|
| Topic 1: Deploy, configure, and maintain systems | - Software installation and updates - Default boot target configuration - Service management - Time service clients - Task scheduling with at, cron, and systemd timers - Bootloader configuration |
| Topic 2: Manage security | - SELinux enforcing and permissive modes - SELinux Boolean settings - SELinux file and process contexts - SELinux port labels - SSH key-based authentication - SELinux file context restoration - Default file permissions - Firewall configuration |
| Topic 3: Manage basic networking | - Hostname resolution - Network services at boot - IPv4 and IPv6 configuration - Firewall configuration with firewalld and firewall-cmd |
| Topic 4: Operate running systems | - Secure file transfer - Tuning profiles - Boot, reboot, and shut down systems - Process scheduling - Interrupt the boot process - Network services - Process monitoring and termination - Boot systems into different targets - System logs and journals |
| Topic 5: Configure local storage | - GPT disk partitions - Physical volumes - File system mounting using UUID or labels - Logical volumes - Adding partitions, logical volumes, and swap - Volume groups |
| Topic 6: Manage software | - Configure RPM repositories - Configure Flatpak repositories - Install and remove Flatpak packages - Install and remove RPM packages |
| Topic 7: Manage users and groups | - Local user account management - Privileged access configuration - Password and password aging management - Local group management |
| Topic 8: Create and configure file systems | - NFS file systems - Extending logical volumes - File permission troubleshooting - VFAT, ext4, and XFS file systems - Autofs |
| Topic 9: Understand and use essential tools | - Remote system access using SSH - File archiving and compression - Hard and soft links - File and directory management - Users and multi-user targets - Shell access and command syntax - System documentation - Creating and editing text files - File permissions - Text analysis with grep and regular expressions - Input and output redirection |
| Topic 10: Create simple shell scripts | - Looping constructs - Processing command output - Conditional execution - Processing script inputs |
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問題 #11
09. Configure User Account
Configure the user account "manalo" with the user ID 3533. The password for this user should be "flectrag".
答案：
解題說明：
Solution:
[root@node1 ~]# useradd -u 3533 manalo
[root@node1 ~]# echo flectrag | passwd --stdin manalo
問題 #12
Add sudo Permission Configuration
Allow members of the sysmgrs group to use sudo without entering a password.
答案：
解題說明：
[root@node1 ~]# visudo
...
%wheel ALL=(ALL) NOPASSWD: ALL
%sysmgrs ALL=(ALL) NOPASSWD: ALL
# Verification (mandatory operation)
[root@node1 ~]# su - natasha
[natasha@node1 ~]# sudo cat /etc/shadow
問題 #13
CORRECT TEXT
Add 3 users: harry, natasha, tom.
The requirements: The Additional group of the two users: harry, Natasha is the admin group. The
user: tom's login shell should be non-interactive.
答案：
解題說明：
# useradd -G admin harry
# useradd -G admin natasha
# useradd -s /sbin/nologin tom
# id harry;id Natasha (Show additional group)
# cat /etc/passwd
(Show the login shell)
OR
# system-config-users
問題 #14
CORRECT TEXT
Upgrading the kernel as 2.6.36.7.1, and configure the system to Start the default kernel, keep the old kernel available.
答案：
解題說明：
# cat /etc/grub.conf
# cd /boot
# lftp it
# get dr/dom/kernel-xxxx.rpm
# rpm -ivh kernel-xxxx.rpm
# vim /etc/grub.conf
default=0
問題 #15
Open kmcrl value of 5 , and can verify in /proc/ cmdline
答案：
解題說明：
# vim /boot/grub/grub.conf
kernel/vmlinuz-2.6.32-71.el6.x86_64 ro root=/dev/mapper/GLSvg-GLSrootrd_LVM_LV=GLSvg/GLSroot rd_LVM_LV=GLSvg/GLSswaprd_NO_LUKSrd_NO_MDrd_NO_DM LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYBOARDTYPE=pc KEYTABLE=us crashkernel=auto rhgb quiet kmcrl=5 Restart to take effect and verification:
# cat /proc/cmdline
ro root=/dev/mapper/GLSvg-GLSroot rd_LVM_LV=GLSvg/GLSroot rd_LVM_LV=GLSvg/GLSswap rd_NO_LUKS rd_NO_MD rd_NO_DM LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYBOARDTYPE=pc KEYTABLE=us rhgb quiet kmcrl=5
問題 #16
......
現在很多IT專業人士都一致認為RedHat EX200 認證考試的證書就是登上IT行業頂峰的第一塊墊腳石。因此RedHat EX200認證考試是一個很多IT專業人士關注的考試。
新版EX200題庫: https://www.kaoguti.com/EX200_exam-pdf.html
2026 KaoGuTi最新的EX200 PDF版考試題庫和EX200考試問題和答案免費分享：https://drive.google.com/open?id=1q2Frcdhj9hncLGaM3DzEZm7jI_6z08qu