Open the dos command window
windons+r–>Run—>cmd
Hold down shift+mouse right click and select here Open the command window here
In a folder on the disk, select the input box in the title bar and enter cmd and press Enter
windows Commonly used commands under
System management and file management
Systeminfo Obtain system information, system patch network card
Path view environment variables
Set view System variables
whoami Check who the current user is
Hostname Check the current host name
mkdir folder name to create a folder
rmdir file Folder name delete folder
cd folder path
Path: absolute path The path written from the current drive letter position
. Represents the current path
.. Represents the upper-level path
Relative path Path relative to a location
Path
dir View current Which files or folders are there in the path
Note that files and folders beginning with… are hidden by default
echo icq >. /qet.txt write to current path
echo icq >/qet.txt write to root directory
type iqet.txt read file
del delete file< /p>
User Management (Administrator)
net user View which users are in the current system
net user guest View guest user information
net user guest 123.com Modify guest password 123.com
net user username and password/add add account
Note: The account added by default is the users group
/ Forward slash
\ backslash
net user username /del delete the specified user
net localgroup view local groups
net localgroup users view Specify group information
net localgroup bp /add Add group
net localgroup administrators hacker /add
Add ordinary user hacker to the administrator group
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net localgroup administrators hacker /del delete
create hidden account
net user icq$ 123 /add
Yes Delete in the control panel can also be deleted by del
Other commands
ping
ipconfig
ipconfig / all
ipconfig /flushdns refresh the dns cache
ipconfig /release release the current ip applicable dhcp to obtain the ip
ipconfig /renew to obtain the new ip
arp -a View the cache table of arp
route print print the local routing table
net user hacker /active: no disable hacker users
net user hacker /active: yes to activate the hacker user
net share View the local default shared resources
net share ziyuan=c:/ Manually add shares
net share ziyuan del Manually delete the share
1. VM installation virtual machine
1 .Create a new folder named in English on the free disk
2. Find the OSI file, open the VM to create a new virtual machine, and follow the wizard to install
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Commonly used Linux command:
ls view the file list or folder list under the current folder or other folders
ls -l detailed information list
ls- al View the detailed information of all file lists
cd ./current directory. ./Upper-level directory
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clear = ctrl+l clear screen
ping
touch index.html create file
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echo’hello world!!!’>index.html write data
cat index.html view file
more index.html /less index.php The difference will be discussed later
tac index.html read file
mkdir test create folder
rmdir test delete folder
rm index.html Delete file
rm -rf dede Force delete folder
cp /var/test.log ./ Copy /var/test.log to the current directory
mv /var/test.log
root/dede move the /var/test.log file to the /root/dede folder
/ root directory
~ home directory cd and press Enter and return without data Home directory
cd =cd ~ =cd /root Enter the root home directory (the currently logged-in user is root)
cd =cd ~=cd /home/test/ Enter home directory of test (the currently logged-in user is test)
[[email protected]~]#
root means the currently logged-in user
localhost means the current The name of the computer to log in
~ indicates the current working location, home directory
# The current user is root
$ The current user is a normal user
< p>su test switch to test user, note: switch from root to normal account, no password
whoami who is the current user
id to view the uid of the current user Note: uid=0 The user is root
su root=su needs to enter the root password
hostname computer name
Read the file and display a part of the more file Name
Click to load more display percentage q Exit
The percentage of less file name does not display
The head file is displayed by default 10 lines
head -n 4 file displays the first 4 lines
tail file name displays the last 10 lines by default
tail -n 4 file displays the last 4 lines< /p>
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Common commands for finding files
find /etc/ -name’*network*’
locate ifcfg -ens33 (Note: Need to update the database upd atedb)
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The Whereis system command finds out the specific location of the system command, and the file may not be found
The form of the file exists. For example, the network card has a file in linux to indicate the network card (configuration file), ifconfigàens33àfind /etc/ -name’*ens33*’
centos7 network card configuration VM’s network card type selection is NAT. The method of IP allocation is DHCP
The first IP is automatically obtained Find the configuration file /etc/sysconfig/network-scripts/ifcfg -ens33
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If you want to edit and position the cursor to the position that needs to be modified, enter a/i/o to modify the data, click esc, enter: wq enter to save and exit.
/etc/init.d/network restart
Service network restart
Systemctl restart network
Check IP ifconfig ifconfig ens33
ifdown ens33 turn off the network card
ifup turn on the network card
ip add View all network card IP
ifconfig ens33 192.168.1.110 255.255.255.0 Configuration IP Temporary
The second configuration static IP
Down is dropped on the up network card ifconfig look See if the IP has been modified
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Firewall
service firewalld status
service firewalld stop Turn off the firewall
ping baidu.com -c 4
Change the name mv test.heml test.php Modify the file name
3 types of VM network settings
NAT mode
< p>DHCP dynamic address allocation protocol
Only the host mode uses the network card vmnet1
Can’t ping through the external network and can ping through the host
Bridge mode
PC and host are equal
Linux switch and operation Mode
reboot
shutdown -h halt poweroff shutdown
login
init number
0 shutdown
1 single user mode
2 multi-user mode without network support
3Multi-user mode with network support
grep search designation Keyword file content or folder
grep keyword path
cat path| grep keywords
Find path
-name find the file with the specified file name
-type find the file with the specified file type
-time find the file within or outside the specified time Modified files of
-atime Files accessed in the last 2*24 hours
-ctime Files changed in the last 2*24 hours
-mtime The file whose file data was changed in the last 2*24 hours
-size Find the file with the specified file size
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The meaning and purpose of all folders under the root directory in Linux
/ root directory
cd/ switch to the root directory
/bin put executable files
/dev device files
/media removable device files
/opt third party The directory where the software is placed
/tmp stores temporary files
/root root user’s home directory
/home ordinary user’s home directory
/etc configuration file
/usr stores software resources
/var files that change regularly
< p>Kali system installation
The first step is to create a new folder to store image files
phpstudy implements w(windows)a(apache)m(mysql) p(php) environment
apache is used to publish web service port 80
MySQL open source simple and flexible database suitable for small and medium-sized enterprises 3306 port
php background scripting language is responsible for parsing user request codes
< br>Open phpstudy to view the open port
dos: netstat -ano |findstr 80
TCP 0.0.0.0:3306 local ip 0.0.0.0:0 webip LISTENING status 11860 pid: process id number
Access web server: http://127.0.0.1
http://localhost
http://any network card ip of this machine
First see the probe page
Enter the source code location of phpstudyphpstudy/www/ will l .php phpinfo.php delete
manually write index.html
phpstudy’s apache port is occupied Other options -> phpstudy settings -> port general settings change ht tpd port, modify it to 81, click apply
After the change, visit the url: http://127.0.0.1:81
