Windows/cmd

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recover passwort win 7/8

  1. Use recovery mode to start CMD from CD
  2. move c:\windows\system32\Utilman.exe to c:\windows\system32\_Utilman.exe
  3. copy c:\windows\system32\cmd.exe to c:\windows\system32\Utilman.exe
  4. reboot
  5. at loginscreen click 'erleichterte bedienung'
  6. finally a cmd comes up and do:
net user administrator *

enter new password (or leave empty) 2 times for the user. perhaps you will have to activate the user:

net user administrator /active:yes


get service list

net start

print a list of all started services

sc queryex type= service state= all
sc query type= service state= all

print list of all services and their state


force GPO refresh without reboot

gpupdate /force


extract a CAB-file (Win7)

expand <source>.cab -f:<files> <destination>

e.g.

expand test.cab -f:* .

-f for specifying a file/files to be extracted: -f:*.dll will extract all dll-files


'mount' folder as drive

to get a local folder mapped as a drive in windows

subst X: C:\users\USERNAME\test

this creates a drive X in explorer wich maps to C:\users\USERNAME\test
this mapping is gets lost on shutdown.


to make mapping permanent add to you registry:

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\DOS Devices] 
"X:"="\\??\\C:\\users\\USERNAME\\test"


Show WLAN Passwords

netsh wlan show profile

then

netsh wlan show profile WiFi-name key=clear


Check/Set MTU

Check MTU Settings:

netsh interface ipv4 show subinterface

Set MTU to 1300 for example:

netsh interface ipv4 set subinterface <Name of Interface> mtu=1300 store=persistent


set DNS resolvers

wmic nicconfig where (IPEnabled=TRUE and DHCPEnabled=FALSE) call SetDNSServerSearchOrder ("8.8.8.8","8.8.4.4")


IPv6 (XP)

Found VIA


Install IPv6

netsh int ipv6 install


Uninstall IPv6

netsh int ipv6 uninstall


IPv6 (>= Vista/Win7)

ipv6 related commands Found VIA


Show configuration

netsh interface ipv6 show 


Privacy extensions

netsh interface ipv6 set privacy [[state=]enabled|disabled]


disable privacy extension persistent:

netsh interface ipv6 set privacy state=disabled store=active
netsh interface ipv6 set privacy state=disabled store=persistent
netsh interface ipv6 set global randomizeidentifiers=disabled store=active
netsh interface ipv6 set global randomizeidentifiers=disabled store=persistent


get/kill login sessions

list sessions:

qwinsta /server:SERVERNAME

kill sessions:

rwinsta „Sitzungs-ID“ /server:SERVERNAME