01 install virtual machine

vmware / virualbox

vm => virtual machine

1 vmware => n vm

redhat / ubuntu / centos7( be based on redhat)

### Steps for creating a new virtual machine ####
#1、 First create the installation folder in the computer

vm-env Under the file is the virtual machine tool file

vm-data Place the data file under the file

#2、 Create a folder such as single01

#3、 Turn on the virtual machine , Click new virtual machine , Choose Custom installation , Click next
Do the following , Proceed in the order of pictures , No more text , Relatively simple .




The location is the folder you just created single01 Absolute road strength

It should be allocated according to the configuration of your computer , In general, take general . For example, I am a 4 Core eight threads , The number of processors I give is 2, The number of cores per processor is 2.

Take half of your computer memory .







Click Custom hardware


Click Close , Click Finish to start the new virtual machine , Select the first white line and press enter







Finally, click Begin Installation

because Too short, all Done Click twice
root
root

The account name is the same as the password name , Easy to remember .

# View host name

hostname

# Modify hostname

hostnamectl set-hostname singlelucky

# View firewall status

systemctl status firewalld

# Turn off firewall

systemctl stop firewalld

# Disable firewall

systemctl disable firewalld

# Check the network status

systemctl status network

# Check that the network management service is turned off and disabled

systemctl status NetworkManager
systemctl stop NetworkManager
systemctl disable NetworkManager

#network To configure

vi /etc/sysconfig/network-scripts/ifcfg-ens33
 Enter at the command line :1,$s/\"//g  Replace “” It's empty 
BOOTPROTO=static
IPADDR=192.168.19.xxx
NETMASK=255.255.255.0
GATEWAY=192.168.19.x
DNS1=8.8.8.8
DNS2=114.114.114.11

# Restart network service

systemctl restart network
 Fight intranet ：ping www.baidu.com
 Internet connection ：WINS+R Open the command window to input cmd, In the command editor, enter ：ping 192.168.19.xxx

open Xshell New session

Click login as user , Input information

#########################Xshell#################################

# Configure the host name and IP
vi /etc/hosts

[root@singlelucky ~]# hostname
singlelucky

127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
::1         localhost localhost.localdomain localhost6 localhost6.localdomain6
192.168.19.xxx singlelucky

# Local image mount 
# Local image mount 
 Switch user view /dev/sr0 /mnt
[root@singlelucky ~]# su lucky
[lucky@singlelucky /]$ ls
bin  boot  dev  etc  home  lib  lib64  media  mnt  opt  proc  root  run  sbin  srv  sys  tmp  usr  var
[lucky@singlelucky /]$ cd dev/
[lucky@singlelucky dev]$ ls

[lucky@singlelucky dev]$ cd /
[lucky@singlelucky /]$ ls
bin  boot  dev  etc  home  lib  lib64  media  mnt  opt  proc  root  run  sbin  srv  sys  tmp  usr  var

 Switch back to mount 
[lucky@singlelucky /]$ su root
Password:root 

mount /dev/sr0 /mnt
# Configure local mirror source 
cd /etc/yum.repos.d
# Create a backup folder , Back up the default image file to this file 
mkdir bak
mv *.repo bak/
# Create and edit the local image profile 
vi base.repo
------------------------
[local]
name=local
baseurl=file:///mnt
gpgcheck=0
enabled=1
------------------------

# Set the remote Huawei image source

wget -o CentOS-Base.repo https://repo.huaweicloud.com/repository/conf/CentOS-7-reg.repo

# Install the local file transfer plug-in

yum -y install lrzsz
	# Drag and upload to the current directory 
	#sz RESOURCE_NAME =>  Select the download directory