Tuesday, April 9, 2019

Check SSL Versions On Web Server


Check SSL Versions On Web Server

 Method 1

·        Click the Windows "Start" button and type "cmd" into the search text box. Press "Enter" to open your Windows command line. 

·        Type "openssl /?" to view a list of options for the command line utility. This also shows you the proper syntax for the command. 

·         Type "openssl version" and press "Enter." The OpenSSL version is displayed in the Windows command line utility. 


Method 2

1. Check where & which Apache versions are installed
2. go to /bin folder inside Apache Folder
3. Execute command Openssl.exe
4. Type Version.





Computer Password Change


 Computer Password Change


At times it is noticed that a member server loses connectivity with Domain Controller and it doesn't allow logging in with Domain Account. 

Apart from Rejoining the server to Domain, There is below way you can try. 

Logon to AD and Reset Computer Account.

Come back to your Server & execute command from Admin CMD & once successfully done try logging in with your Domain Account. 


Just change your computer password using netdom.exe!

netdom.exe resetpwd /s:<server> /ud:<user> /pd:*

<server> = a domain controller in the joined domain

<user> = DOMAIN\User format with rights to change the computer password

Examples
Example 1: Reset the password for the local computer

PowerShell

Copy
PS C:\> Reset-ComputerMachinePassword
This command resets the computer password for the local computer. The command runs with the credentials of the current user.

Example 2: Reset the password for the local computer by using a specified domain controller

PowerShell

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PS C:\> Reset-ComputerMachinePassword -Server "DC01" -Credential Domain01\Admin01

This command resets the computer password of the local computer by using the DC01 domain controller. It uses the Credential parameter to specify a user account that has permission to reset a computer password in the domain.

Example 3: Reset the password on a remote computer

PowerShell

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PS C:\> Invoke-Command -ComputerName "Server01" -ScriptBlock {Reset-ComputerMachinePassword}

VSS Writers & Services


List of VSS Writers & Its Corresponding Services

List of Writers:

VSS Writer
Service Name
Service Display Name
ASR Writer
VSS
Volume Shadow Copy
BITS Writer
BITS
Background Intelligent Transfer Service
COM+ REGDB Writer
VSS
Volume Shadow Copy
DFS Replication service writer
DFSR
DFS Replication
DHCP Jet Writer
DHCPServer
DHCP Server
FRS Writer
NtFrs
File Replication
FSRM writer
srmsvc
File Server Resource Manager
IIS Config Writer
AppHostSvc
Application Host Helper Service
IIS Metabase Writer
IISADMIN
IIS Admin Service
Microsoft Exchange Writer
MSExchangeIS
Microsoft Exchange Information Store
Microsoft Hyper-V VSS Writer
vmms
Hyper-V Virtual Machine Management
NTDS
NTDS
Active Directory Domain Services
OSearch VSS Writer
OSearch
Office SharePoint Server Search
OSearch14 VSS Writer
OSearch14
SharePoint Server Search 14
Registry Writer
VSS
Volume Shadow Copy
Shadow Copy Optimization Writer
VSS
Volume Shadow Copy
SPSearch VSS Writer
SPSearch
Windows SharePoint Services Search
SPSearch4 VSS Writer
SPSearch4
SharePoint Foundation Search V4
SqlServerWriter
SQLWriter
SQL Server VSS Writer
System Writer
CryptSvc
Cryptographic Services
TermServLicensing
TermServLicensing
Remote Desktop Licensing
WINS Jet Writer
WINS
Windows Internet Name Service (WINS)
WMI Writer
Winmgmt
Windows Management Instrumentation

Findig WSUS Server in an unknown environment

Findig WSUS Server In An Unknown Environment


Find below registry key in case you ever tumble upon a new environment in where you have no idea which WSUS Server is providing update to the client.

1. Click Start
2. Select "RUN"
3. Type "regedit" It will open registry editor (Be very cautious while working with registry, Suggested is to take the backup of registry before modifying it always.
4. Go to below registry entry

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\WUServer

Your WSUS Server will be mentioned in "WUServer" entry. 


Windows Administrator Level 1 Interview Question & Answers

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