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| Section | Objectives |
|---|---|
| Manage software | - Configure RPM repositories - Configure Flatpak repositories - Install and remove Flatpak packages - Install and remove RPM packages |
| Manage security | - SELinux Boolean settings - SSH key-based authentication - Default file permissions - SELinux file and process contexts - SELinux enforcing and permissive modes - SELinux file context restoration - SELinux port labels - Firewall configuration |
| Manage basic networking | - IPv4 and IPv6 configuration - Hostname resolution - Firewall configuration with firewalld and firewall-cmd - Network services at boot |
| Configure local storage | - Volume groups - Adding partitions, logical volumes, and swap - Logical volumes - File system mounting using UUID or labels - Physical volumes - GPT disk partitions |
| Understand and use essential tools | - Users and multi-user targets - File and directory management - Input and output redirection - Hard and soft links - Shell access and command syntax - System documentation - Remote system access using SSH - Creating and editing text files - File archiving and compression - File permissions - Text analysis with grep and regular expressions |
| Manage users and groups | - Password and password aging management - Local group management - Privileged access configuration - Local user account management |
| Deploy, configure, and maintain systems | - Default boot target configuration - Time service clients - Service management - Bootloader configuration - Software installation and updates - Task scheduling with at, cron, and systemd timers |
| Create and configure file systems | - Autofs - Extending logical volumes - File permission troubleshooting - VFAT, ext4, and XFS file systems - NFS file systems |
| Create simple shell scripts | - Looping constructs - Processing script inputs - Processing command output - Conditional execution |
| Operate running systems | - Secure file transfer - Process monitoring and termination - Boot, reboot, and shut down systems - System logs and journals - Interrupt the boot process - Process scheduling - Boot systems into different targets - Network services - Tuning profiles |
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NEW QUESTION # 29
Configure your system so that it is an NTP client of server.domain11.example.com
Answer:
Explanation:
see explanation below.
Explanation
#system-config-date
Note: dialog box will open in that
Check mark Synchronize date and time over network. Remove all the NTP SERVER and click ADD and type server.domain11.example.com
****************And then press ENTER and the press OK***************
NEW QUESTION # 30
CORRECT TEXT
Configure the system synchronous as 172.24.40.10.
Answer:
Explanation:
Graphical Interfaces:
System-->Administration-->Date & Time
OR
# system-config-date
NEW QUESTION # 31
Configure the system synchronous as 172.24.40.10.
Answer:
Explanation:
Answer see in the explanation.
Explanation/Reference:
Graphical Interfaces:
System-->Administration-->Date & Time
OR
# system-config-date
NEW QUESTION # 32
Download ftp://192.168.0.254/pub/boot.iso to /root, and mounted automatically under /media/cdrom and which take effect automatically at boot-start.
Answer:
Explanation:
see explanation below.
Explanation
# cd /root; wget ftp://192.168.0.254/pub/boot.iso
# mkdir -p /media/cdrom
# vim /etc/fstab
/root/boot.iso /media/cdrom iso9660 defaults,loop 0 0
# mount -a
mount [-t vfstype] [-o options] device dir
NEW QUESTION # 33
SIMULATION
Configure your Host Name, IP Address, Gateway and DNS.
Host name: dtop5.dn.ws.com
IP Address: 172.28.10.5/4
Gateway: 172.28.10.1
DNS: 172.28.10.1
Answer:
Explanation:
See explanation below.
Explanation/Reference:
Explanation:
1. Configure Host Name
vim /etc/sysconfig/network NETWORKING=yes HOSTNAME=dtop5.dn.ws.com GATEWAY=172.28.10.1
2. Configure IP Address, Gateway and DNS
Configure the network by Network Manager:
Note: Please remember to choose two options:
Connect automatically
Available to all users
Click "Apply", save and exit, and restart your network services:
# Service network restart
3. Validate these profiles:
a) Check gateway: # vim / etc / sysconfig / network
NETWORKING=yes
HOSTNAME=dtop5.dn.ws.com
GATEWAY=172.28.10.1
b) Check Host Name: # vim /etc/hosts
c) Check DNS: # vim /etc/resolv.conf
# Generated by NetworkManager
Search dn.ws.com
Nameserver 172.28.10.1
d) Check Gateway: # vim /etc/sysconfig/network-scripts/ifcfg-eth0
NEW QUESTION # 34
......
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