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| Section | Weight | Objectives |
|---|---|---|
| Deploy, configure, and maintain systems | 15% | - Configure firewalld firewall rules - Manage network interfaces and settings with NetworkManager/nmcli - Manage software packages with DNF/YUM |
| Perform basic shell scripting | - Use conditional statements, loops, and script inputs | |
| Create and configure file systems | 15% | - Create and mount XFS, ext4, VFAT file systems - Maintain entries in /etc/fstab using UUID or labels - Manage access control lists (ACLs) - Mount and manage network file systems (NFS, autofs) |
| Manage security | 10% | - Enforce SELinux modes, contexts, booleans, and port labeling - Restore file contexts and troubleshoot SELinux issues |
| Manage users and groups | 10% | - Create, delete, modify users and groups - Manage password policies and sudo access - Configure SSH key-based authentication |
| Understand and use essential tools | 25% | - Archive, compress, unpack files using tar, gzip, bzip2 - Access remote systems via SSH - Access shell prompt and issue commands with correct syntax - Use input-output redirection - Create/edit text files; manage files, directories, links, permissions - Use grep and regular expressions |
| Operate running systems | 20% | - Schedule tasks using cron and at - Manage logging and journaling - Boot systems into different targets; manage systemd units - Maintain accurate system time with chrony - Manage networking and network services |
| Configure local storage | 15% | - Configure swap space - Create and manage LVM physical volumes, volume groups, logical volumes - List, create, delete partitions and GPT/MBR layouts |
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NEW QUESTION # 26
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:
see explanation below.
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 # 27
SIMULATION
Create a volume group, and set the size is 500M, the size of single PE is 16M. Create logical volume named lv0 in this volume group, set size is 20 PE, make it as ext3 file system, and mounted automatically under data.
Answer:
Explanation:
See explanation below.
Explanation/Reference:
Explanation: fdisk /dev/vda
pvcreate /dev/vda3
vgcreate -s 16M vg0 /dev/vda3
lvcreate -n lv0 -l 20 vg0
mkfs.ext3 /dev/mapper/vg0-lv0
mkdir /data
/etc/fstab:
/dev/mapper/vg0-lv0 /data ext3 defaults 0 0
mount -a
mount | grep data
NEW QUESTION # 28
Configure your Host Name, IP Address, Gateway and DNS.
Host name: station.domain40.example.com
/etc/sysconfig/network
hostname=abc.com
hostname abc.com
IP Address:172.24.40.40/24
Gateway172.24.40.1
DNS:172.24.40.1
Answer:
Explanation:
see explanation below.
Explanation
# cd /etc/syscofig/network-scripts/
# ls
# vim ifcfg-eth0 (Configure IP Address, Gateway and DNS) IPADDR=172.24.40.40 GATEWAY=172.24.40.1 DNS1=172.24.40.1
# vim /etc/sysconfig/network
(Configure Host Name)
HOSTNAME= station.domain40.example.com
OR
Graphical Interfaces:
System->Preference->Network Connections (Configure IP Address, Gateway and DNS) Vim
/etc/sysconfig/network
(Configure Host Name)
NEW QUESTION # 29
Install a FTP server, and request to anonymous download from /var/ftp/pub catalog. (it needs you to configure yum direct to the already existing file server.)
Answer:
Explanation:
# cd /etc/yum.repos.d
# vim local.repo
[local]
name=local.repo
baseurl=file:///mnt
enabled=1
gpgcheck=0
# yum makecache
# yum install -y vsftpd
# service vsftpd restart
# chkconfig vsftpd on
# chkconfig --list vsftpd
# vim /etc/vsftpd/vsftpd.conf
anonymous_enable=YES
NEW QUESTION # 30
Create a volume group, and set 8M as a extends. Divided a volume group containing 50 extends on volume group lv (lvshare), make it as ext4 file system, and mounted automatically under /mnt/dat a. And the size of the floating range should set between 380M and 400M.
Answer:
Explanation:
# fdisk
# partprobe
# pvcreate /dev/vda6
# vgcreate -s 8M vg1 /dev/vda6 -s
# lvcreate -n lvshare -l 50 vg1 -l
# mkfs.ext4 /dev/vg1/lvshare
# mkdir -p /mnt/data
# vim /etc/fstab
/dev/vg1/lvshare /mnt/data ext4 defaults 0 0
# mount -a
# df -h
NEW QUESTION # 31
......
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